biophysical criteria: - designing marine protected areas and
TRANSCRIPT
BIOPHYSICAL CRITERIA:
DESIGNING MARINE
PROTECTED AREAS AND
MARINE PROTECTED AREA
NETWORKS TO BENEFIT
PEOPLE AND NATURE
IN INDONESIA
Harvesting trochus at sasi opening in Kapatchol Vil lage, West Misool (Raja
Ampat). Image © Awaludinnoer, TNC
Prepared by The Nature Conservancy (TNC) Indonesia Oceans Programfor the USAID Sustainable Ecosystems Advanced (SEA) Projectin col laboration with the Directorate for Marine Conservation and Biodiversityof the Ministry of Marine Affairs and Fisheries, Republic of Indonesia2020
BIOPHYSICAL CRITERIA:
DESIGNING MARINE
PROTECTED AREAS AND
MARINE PROTECTED AREA
NETWORKS TO BENEFIT
PEOPLE AND NATURE IN
INDONESIA
BIOPHYSICAL CRITERIA: DESIGNING MARINE PROTECTED AREAS ANDMARINE PROTECTED AREA NETWORKS TO BENEFIT PEOPLE ANDNATURE IN INDONESIA
This publication was jointly produced by the USAID Sustainable Ecosystems Advanced (SEA) Project and the
Ministry of Marine Affairs and Fisheries, Republic of Indonesia.
USAID SEA Project Office
Sona Topas Tower, Floor 1 6, J l . Jendral Sudirman Kav. 26, Jakarta 1 2920, Indonesia
Chief of Party: Alan White, PhD ([email protected])
Deputy Chief of Party: Tiene Gunawan, PhD (Tiene. [email protected])
Ministry of Marine Affairs and Fisheries Directorate for Marine Conservation and Biodiversity
Gedung Mina Bahari 3 Lt 1 0, J l . Medan Merdeka Timur No. 1 6 - Jakarta Pusat, Indonesia
Citation: Green, A.L., Fajariyanto, Y., Tighe, S., White, A. T. 2020. Biophysical Criteria: Designing Marine
Protected Areas and Marine Protected Area Networks to Benefit People and Nature in Indonesia. Report prepared by
The Nature Conservancy (TNC) for the USAID Sustainable Ecosystems Advanced Project, 78 pp.
Figures 4, 6, 1 1 , 1 2, 1 5, 1 6 and 1 7 are from Gombos, M., Atkinson, S., Green, A., and K. Flower (eds.) , 201 3.
Designing Resilient Locally Managed Areas in Tropical Marine Environments: A Guide for Community Based Managers.
USAID Coral Triangle Support Partnership, Jakarta, Indonesia.
Contributors: TNC Indonesia Oceans Program Alison Green, Yusuf Fajariyanto, Hilda Lionata, Fachry Ramadyan.
USAID SEA Stacey Tighe, Alan White, Tiene Gunawan, Rudyanto, Noorafebrianie Minarputri. KKHL Andi Rusandi,
Firdaus Agung, Ihsan Ramli.
Editing and Layout: Melva Aritonang and Asuncion Sia
Printed in: J akarta, Indonesia
Intellectual property rights: In accordance with ADS, Chapter 31 8, ownership of this publ ication is vested
in USAID SEA on behalf of USAID Indonesia. USAID SEA reserves al l rights thereto until the Project concludes.
These rights include reproduction and dissemination of the materials contained herein to government
counterparts and/or working partners for wider distribution and promotional purposes.
Disclaimer: This publication is made possible by the generous support of the American People through the
United States Agency for International Development (USAID) Project No. AID-497-C-1 6-00008 with the close
col laboration of the Government of Indonesia. The contents of this report are the sole responsibil ity of the
Project and do not necessarily reflect the views of USAID or the United States Government.
Front cover photo: High biodiversity and healthy populations of fisheries species in Dampier Strait, Raja
Ampat Islands MPA. Image © Awaludinnoer, TNC
Back cover photo: Harvesting sea cucumbers at sasi opening in Fol ley, Raja Ampat. Image © Nugroho
Prabowo, TNC
3
CONTENTSLIST OF FIGURES AND TABLES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FOREWORD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PREFACE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ACKNOWLEDGMENTS.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
EXECUTIVE SUMMARY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
RINGKASAN EKSEKUTIF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 5
Tropical Marine Ecosystems in Indonesia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5
Ecosystem Goods and Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8
Status and Threats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9
Habitats.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9
Endangered, Threatened or Protected Species. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
What are MPAs and MPA Networks?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
What can MPAs and MPA Networks Achieve?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
MPAs and MPA Networks in Indonesia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
What are MPA Network Design Criteria?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
BIOPHYSICAL CRITERIA FOR DESIGNING MPAs AND MPA NETWORKS IN INDONESIA. . . . . . . . . . . . . . . . . . . . . . . .24
Represent Habitats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Protect at least 20% of each major habitat in NTZs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Replicate Habitats (Spread the Risk) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Protect at least three examples of each major habitat type in NTZs, and. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Spread them out to reduce the chances they will all be affected by the same disturbance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Protect Critical, Special and Unique Areas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Protect critical areas in the life history of focal fisheries species in NTZs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Protect critical areas or habitats for charismatic, endangered, threatened or protected species. . . . . . . . . . . . . . . . . . . . . . . . . .29
Protect special and unique natural phenomena in NTZs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Protect areas that are important at the national, international or global scale for conservation
or management of focal species. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Incorporate Connectivity:Abiotic Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Consider variations in oceanography, substrate and bathymetry that affect the spread
of biological and non-biological material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Incorporate Connectivity: Biotic Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Consider Movement of Adults and Juveniles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Ensure NTZs are large enough to sustain adults and juveniles of focal fisheries species within
their boundaries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA4
Ensure NTZs are large enough to contain all habitats used by focal species throughout their
life history; or establish networks of NTZs close enough to allow for movements of focal
species among protected habitats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Include whole ecological units in NTZs. If not, choose larger rather than smaller areas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Use compact shapes for NTZs, except when protecting naturally elongated habitats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Consider Larval Dispersal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Establish: NTZs large enough to be self-sustaining for focal species, or networks of NTZs
close enough to be connected by larval dispersal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Protect spatially isolated areas in NTZs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Protect larval sources in permanent or seasonal NTZs or by using fisheries closures during
spawning times. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Locate more NTZs upstream relative to fished areas if there is a strong, consistent,
unidirectional current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
AllowTime for Recovery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Establish NTZs for the long term (more than 20 up to 40 years) , preferably permanently. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Use short-term (less than 5 years) or periodically harvested NTZs in addition to, rather
than instead of, long-term or permanent NTZs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Protect Healthy Areas and Avoid Local Threats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Protect areas where habitats and populations of focal species are in good condition with
low levels of threat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Avoid areas where habitats and populations of focal species are in poor condition due
to local threats. If this is not possible, reduce threats, facilitate natural recovery, and consider
the costs and benefits of rehabilitating habitats and species. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Adapt to Changes in Climate and Ocean Chemistry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Protect sites that are likely to be more resilient to global environmental change (refugia)
in NTZs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Protect ecologically important sites that are sensitive to changes in climate and ocean
chemistry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Increase protection of species that play important functional roles in ecosystem resilience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Consider how changes in climate and ocean chemistry will affect the life history of focal
species. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Address uncertainty by spreading the risk, and increasing protection of habitats, critical areas
and species most vulnerable to changes in climate and ocean chemistry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
DISCUSSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Integrating Biophysical, Socioeconomic and Cultural Design Criteria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Integrating MPAs within Broader Management Frameworks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Research Priorities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
SUMMARY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
APPENDIX 1 . Habitat Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
APPENDIX 2.Abiotic Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
APPENDIX 3. Rehabil itating Habitats and Species. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
REFERENCES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
5
LISTS OF FIGURES AND TABLES
Figure 1 . Indonesia has several shal low shelves and deep-sea basins, comprising 1 2 marine ecoregions.. . . . . . . . . . . . . 1 6
Figure 2. Indonesia comprises some of the highest marine diversity on Earth.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6
Figure 3. More than 35% of coral reefs in Indonesia are at high or very high risk from local threats. . . . . . . . . . . . . . . . . . . . . 1 9
Figure 4. Different species use different habitats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 5. Protecting at least three examples of each major habitat in widely separated MPAs helps
reduce the chances they wil l al l be impacted by the same disturbance.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Figure 6. Some species use different habitats at different times throughout their l ives (e.g., for home
ranges, spawning or nursery areas) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 7. Olive ridley sea turtles nesting in West Papua and green sea turtles nesting in East
Kal imantan travel to feeding areas in other Indonesian provinces or countries in Southeast Asia. . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 8. A larval dispersal model shows how coral trout (Plectropomus leopardus) populations are
shared among Indonesia and other countries in the Coral Triangle.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 9. Major ocean currents in Indonesia include the Indonesia Throughflow and the
Halmahera and Mindanao Eddies. Surface currents in eastern Indonesia reverse direction twice a year.. . . . . . . . . . . . . 36
Figure 1 0. Most coral reef fishes (such as the coral trout P. leopardus) have two life history phases.
Adults and juveniles are benthic and l ive on coral reefs, while larvae are pelagic and l ive in the plankton.. . . . . . . . . . . 37
Figure 1 1 . Larger individuals are more important for long-term health of populations than smaller ones,
because they produce a lot more offspring.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 1 2. Different species have home ranges of different sizes.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 1 3. Where possible, whole ecological units (e.g., reefs) should be included in NTZs, and
the NTZs should be compact shapes (e.g., squares) , except when protecting natural ly elongated
habitats (e.g., fringing reefs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 1 4. Different coral reef fish species have different larval dispersal distances.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Figure 1 5. Some species are more vulnerable to fishing pressure and take longer to recover when
protected in NTZs.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 1 6. Healthy marine ecosystems provide abundant resources for people. Unhealthy
ecosystems, damaged by local threats, are unable to provide as many resources for people.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 1 7. Some areas may be more resil ient to changes in cl imate and ocean chemistry (refugia) and
should be protected in NTZs .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 1 8. Coral reef seascapes in Raja Ampat. Different colors show different types of coral reef
communities, which should each be protected in NTZs.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figures
TablesTable 1 . Biophysical criteria for designing MPAs and MPA Networks in Indonesia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0
Table 1 . Kriteria biofisik untuk merankang KKP dan jaringan KKP di Indonesia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2
Table 2. Research priorities for applying biophysical criteria to design MPAs and MPA Networks in
Indonesia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Table 3. Summary of scientific rationale (and explanatory notes) for biophysical criteria for designing
MPAs and MPA Networks in Indonesia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
6
FOREWORDIndonesia is located in the heart of the Coral Triangle, a region that contains high marine coastal biodiversity,
including the second-largest coral reef area in the world and diverse mangrove ecosystems. The Government of
Indonesia thus recognizes the need, and real ly wants to step up, to apply proven methods and approaches to
manage and conserve our country’s rich marine diversity for the benefit of the Indonesian people and economy,
and the sustainabil ity of its marine heritage and environment. This work underpins our national conservation
commitments related to the Convention on Biological Diversity (CBD) and the Coral Triangle Initiative on Coral
Reefs, Fisheries and Food Security (CTI-CFF).
Since the Coral Triangle countries formed the CTI-CFF in 2009, addressing multiple issues and objectives to
effectively sustain marine and coastal resources has become of paramount importance for our government One
of the primary strategies being used almost everywhere to serve the needs of marine conservation and marine
resource and fisheries management is the design and implementation of MPA Networks. However, MPA
Networks wil l not be effective unless they can combine the multiple objectives important to stakeholders,
including fisheries, tourism and other economic and social benefits that result from effective MPAs and their
Networks. For this reason the Ministry of Marine Affairs and Fisheries is initiating the development of MPA
Networks in several priority main regions in Indonesia, namely, West Sumatra, Riau Islands, Nusa Tenggara (East
and West) , and West Papua.
The USAID Sustainable Ecosystems Advanced Project (USAID SEA), together with the Directorate for Marine
Conservation and Biodiversity of the Directorate General for Marine Spatial Management in the Ministry of
Marine Affairs and Fisheries, has developed this document, Biophysical Criteria: Designing Marine Protected Areas
and Marine Protected Area Networks to Benefit People and Nature in Indonesia, to guide the identification, design and
evaluation MPA Networks in Indonesia. This document can help MPA managers in Indonesia to determine critical
MPA and MPA Network design inputs, and thus support the implementation of existing national regulations on
MPA Networks. I t also provides an integrated set of biophysical criteria to help practitioners design MPA
Networks to achieve fisheries sustainabil ity, biodiversity conservation, and ecosystem resil ience in the face of
cl imate change in Indonesia.
This document is tailored to the Indonesian marine environment, providing a succinct, graphic and user-friendly
synthesis of the best available scientific information for practitioners who may not have access to, or the time to
review, the increasing amount of research l iterature on this topic. I t wil l serve as an excel lent reference for our
ongoing work in Indonesia on MPA Network design.
We ful ly endorse this technical guide and encourage al l MPA planners and practitioners to make good use of it as
a reference in improving our Indonesian MPA Network design and implementation
Andi Rusandi
Director for Marine Conservation and Biodiversity
Directorate General for Marine Spatial Management
Ministry of Marine Affairs and Fisheries
7
PREFACEThe aim of this document is to provide the scientific rationale for the biophysical criteria required to design
marine protected areas (MPAs) and MPA Networks to achieve their biophysical goals and contribute toward
achieving their socioeconomic and cultural goals in Indonesia. The document provides a synthesis of the best
available scientific information for MPA practitioners who may not have access to, or the time to review, the
extensive l iterature on this issue. I t also provides examples and case studies of best practices for applying these
design criteria in Indonesia and elsewhere.
This document supports the biophysical design criteria incorporated in the document A Guide, Framework and
Example: Designing Marine Protected Areas and Marine Protected Area Networks to Benefit People and Nature in
Indonesia (Green et al. 2020), which provides supplementary information to support the Technical Guidelines
(Juknis) of Ministerial Regulation No. 1 3/201 4 on Establishing and Managing MPA Networks. I t also complements the
supplementary information on socioeconomic and cultural design criteria in the said guidance document.
This document is a detailed guide intended for senior technical staff in the Ministry of Marine Affairs and Fisheries,
staff in the Ministry of Forestry and Environment (marine units) , universities, non-governmental organizations and
others interested to learn how to plan for effective marine conservation through MPAs and MPA networks. I t
provides a succinct, graphic and user-friendly synthesis of scientific information based on previous work produced
for the Coral Triangle Initiative on Coral Reefs, Fisheries and Food Security (CTI-CFF) through the USAID Coral
Triangle Support Partnership, particularly the report Designing Marine Protected Area Networks to Achieve Fisheries,
Biodiversity and Climate Change Objectives in Tropical Ecosystems: A Practitioner's Guide (Green et al. 201 3) and
associated scientific publ ications (e.g., Abesamis et al. 201 4, Green et al. 201 4a, 201 5: available at
http://nature.org/MPANetworkDesign).
CTI-CFF is a multilateral partnership of six countries working together to address urgent threats to one of the
world's most biological ly diverse and ecological ly rich regions: the Coral Triangle. Recognizing the need for
concerted action at the regional scale for marine conservation and resource management, the six Coral Triangle
countries endorsed in 2009 a 1 0-year (201 0-2020) Regional Plan of Action (RPOA) that defines the establ ishment
and effective management of MPAs as one of the primary goals. There is one target under this goal: A region-
wide Coral Triangle MPA System (CTMPAS) in place and ful ly functional. A first step toward achieving this target
is to scale up the initiatives of each of the national MPA network programs. This guide for Indonesia is ful ly in l ine
with the CTMPAS and wil l help the country move toward improved MPA Network design and contribute directly
to the system of MPAs for CTI-CFF.
The United States Agency for International Development Sustainable Ecosystems Advanced Project (USAID SEA)
is a five-year project (201 6-2021 ) that supports the Government of Indonesia to improve the governance of
fisheries and marine resources and to conserve biological diversity in Indonesia through fisheries management and
MPAs in target areas in Indonesia. We in USAID SEA are proud of our contribution to the improvement of MPAs
in Indonesia. We hope that this document wil l serve to build more and better MPA Networks in the country to
achieve fisheries management and biodiversity conservation, and to enhance the resil ience of our coastal
resources amid cl imate change and local human pressures. We thank al l those who contributed to this work and
look forward seeing the results in action.
Alan White
Chief of Party
USAID Sustainable Ecosystems Advanced Project
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
8
ACKNOWLEDGMENTS
This document was produced as part of the USAID Sustainable Ecosystems Advanced (SEA) Project that
supports the Government of Indonesia to improve the governance of fisheries and marine resources and
conserve biological diversity. The authors thank Andi Rusandi, Director for Marine Conservation and Biodiversity
of the Ministry of Marine Affairs and Fisheries (MMAF), and Firdaus Agung, MMAF Deputy Director for
Convention and Conservation, for leading this process, and USAID for supporting the project.
In 201 8 and 201 9, The Nature Conservancy and USAID SEA facil itated a series of 1 2 workshops at the national
and provincial level to develop the document A Guide, Framework and Example: Designing Marine Protected Areas
and Marine Protected Area Networks to Benefit People and Nature in Indonesia (Green et al. 2020), which includes
the biophysical design criteria described in this document. The authors thank the 234 participants from 69
institutions who contributed to these workshops, including experts and partners from government agencies
(national, provincial and district) , universities, non-governmental organizations, and local communities (Green et
al. 2020).
We also thank others who have contributed to developing the information contained in this document,
particularly Dr. Maria Beger from the University of Leeds, for al lowing us to use the results of her unpublished
model of larval dispersal in Figure 8. Final ly, we acknowledge several key earl ier publications that provided the
foundation for much of the material in this book which are referenced throughout the text as appropriate.
The Authors
9
EXECUTIVE SUMMARY
Indonesia comprises some of the world ’s most diverse tropical marine ecosystems, which are a global priority for
conservation. These rich marine resources provide important ecosystem goods and services, particularly for
coastal communities who rely on these resources for their food security and l ivel ihoods. Unfortunately, these
critical ly important resources and the ecosystem services they provide are threatened by local anthropogenic
threats (e.g., destructive or overfishing, coastal development and runoff from poor land use practices) and global
changes in cl imate and ocean chemistry.
Marine Protected Areas (MPAs), particularly no-take zones (NTZs), can be powerful tools to address local
threats and enhance fisheries productivity, protect biodiversity and adapt to changes in cl imate and ocean
chemistry. They can also enhance food security and sustainable l ivel ihoods for communities and other
stakeholders. MPA Networks can del iver additional benefits, such as by acting as mutual ly replenishing networks
to facil itate recovery after disturbance. However, MPAs and MPA Networks can only achieve these objectives if
they are well designed and effectively managed.
MPAs and MPA Networks play a major role in conservation and resource management in Indonesia, and the
national government is committed to establ ishing 20 mil l ion hectares (ha) of effectively managed MPAs by 2020
and 30 mil l ion ha by 2030. To date, there are 1 77 national and local government MPAs establ ished (and no MPA
Networks), covering an area of 22.8 mil l ion ha. The Ministry of Marine Affairs and Fisheries (MMAF) is now
identifying and establ ishing new MPAs to achieve their target of 30 mil l ion ha in MPAs by 2030, and is interested in
reviewing the design of existing MPAs. Local communities have also establ ished Local ly Managed Marine Areas in
many locations, particularly in eastern Indonesia. Unfortunately, many of these MPAs are not yet managed
effectively. More scientific advice is required to ensure that MPAs and MPA Networks are well designed to
achieve their goals.
In 201 9, The Nature Conservancy and the USAID Sustainable Ecosystems Advanced Project (USAID SEA)
provided technical assistance to MMAF to develop the document A Guide, Framework and Example: Designing
Marine Protected Areas and Marine Protected Area Networks to Benefit People and Nature in Indonesia (Green et al.
2020). This document provides a logical framework (goals, objectives, design criteria and performance indicators)
for designing MPAs and MPA Networks, which takes biophysical , socioeconomic and cultural considerations into
account. This framework wil l provide supplementary information to support the MMAF’s Technical Guidelines
(Juknis) of Ministerial Regulation No. 1 3/201 4 on Establishing and Managing MPA Networks.
Indonesia has both biophysical goals and socioeconomic/cultural goals in establ ishing MPAs and MPA networks:
• Biophysical goals include protecting biodiversity, maintaining or enhancing coastal fisheries, rehabil itating
habitats and species, and adapting to changes in cl imate and ocean chemistry; and
• Socioeconomic and cultural goals include minimizing confl icting use of marine resources and fisheries,
supporting sustainable community l ivel ihoods, and promoting active community participation and support
in MPA or MPA network management.
The aim of this document is to provide the scientific rationale for the biophysical criteria required to design MPAs
and MPA Networks to achieve these goals (Table 1 ) . The document provides a synthesis of the best available
scientific information for MPA practitioners who may not have access to, or the time to review, the extensive
l iterature on this issue. I t also provides examples and case studies of best practice for applying these design
criteria in Indonesia and elsewhere.
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
1 0
Biophysical Criteria for Designing MPAs and MPA Networks in Indonesia
Replicate Habitats (Spread the Risk)
Protect at least three examples of each major habitat in NTZs; and
Spread them out to reduce the chances they will all be affected by the same disturbance.
Protect Critical, Special and Unique Areas
Protect critical areas in the life history of focal fisheries species in NTZs.
Protect critical areas or habitats for charismatic, endangered, threatened or protected species.
Protect special and unique natural phenomena in NTZs.
Protect areas that are important at the national, international or global scale for conservation or management of focal species.
Incorporate Connectivity:Abiotic Factors
Consider variations in oceanography that affect the spread of biological and non-biological material.
Incorporate Connectivity: Biotic Factors Movement of Adults and Juveniles
Ensure NTZs are large enough to sustain adults and juveniles of focal fisheries species within their boundaries.
Ensure NTZs are large enough to contain all habitats used by focal species throughout their life history; or establish networks of
NTZs close enough to allow for movements of focal species among protected habitats.
Include whole ecological units in NTZs. If not, choose larger rather than smaller areas.
Use compact shapes for NTZs, except when protecting naturally elongated habitats.
Incorporate Connectivity: Biotic Factors Larval Dispersal
Establish NTZs large enough to be self-sustaining for focal species; or networks of NTZs close enough to be connected by larval
dispersal.
Protect spatially isolated areas in NTZs.
Protect larval sources in permanent or seasonal NTZs or by using fisheries closures during spawning times.
Locate more NTZs upstream relative to fished areas if there is a strong, consistent, unidirectional current.
AllowTime for Recovery
Establish NTZs for the long term (more than 20 up to 40 years) , preferably permanently.
Use short-term (less than 5 years) or periodically harvested NTZs in addition to, rather than instead of, long-term or permanent
NTZs.
Protect Healthy Areas and Avoid LocalThreats
Protect areas where habitats and populations of focal species are in good condition with low levels of local threats.
Avoid areas where habitats and populations of focal species are in poor condition due to local threats. If this is not possible:
reduce threats; facilitate natural recovery; and consider the costs and benefits of rehabilitating habitats and species.
Represent Habitats
Protect at least 20% of each major habitat in NTZs.
Adapt to Changes in Climate and Ocean Chemistry
Protect sites that are likely to be more resilient to global environmental change (refugia) in NTZs.
Protect ecologically important sites that are sensitive to changes in climate and ocean chemistry.
Increase protection of species that play important functional roles in ecosystem resilience.
Consider how changes in climate and ocean chemistry will affect the life history of focal species.
Address uncertainty by: spreading the risk; and increasing protection of habitats, critical areas and species most vulnerable to
changes in climate and ocean chemistry.
Table 1 . Biophysical criteria for designing MPAs and MPA Networks in Indonesia
Please note that many of these criteria are designed to consider the ecology of focal species, including key fisheries species,
endangered, threatened and protected species, migratory marine biota, large charismatic marine fauna, and species important for
maintaining ecosystem function.
These biophysical design criteria wil l contribute to a larger process that includes implementing MPA Networks in
ways that complement human uses and values, and al ign with local legal, pol itical and institutional requirements.
To make sure this is the case, they should be used in conjunction with the socioeconomic and cultural design
criteria for Indonesia provided in the document A Guide, Framework and Example: Designing Marine Protected Areas
and Marine Protected Area Networks to Benefit People and Nature in Indonesia (Green et al. 2020).
1 1
Indonesia mempunyai beberapa ekosistem laut tropis pal ing beragam di dunia, yang merupakan prioritas global
untuk konservasi. Sumber daya laut yang melimpah ini menyediakan produk dan jasa ekosistem yang penting,
terutama bagi masyarakat pesisir yang menggantungkan hidupnya pada sumber daya ini untuk ketahanan pangan
dan mata pencaharian mereka. Sayangnya, banyak dari sumber daya yang sangat penting ini dan jasa ekosistem
yang mereka berikan telah hilang, terdegradasi serius atau terancam oleh kombinasi ancaman antropogenik lokal
(yaitu aktivitas penangkapan ikan yang merusak atau berlebih, pariwisata masal, pengembangan pesisir dan l imbah
dari daratan), ancaman perubahan ikl im dan perubahan kimia laut global.
Kawasan Konservasi Perairan (KKP), terutama zona larang tangkap (ZLT), dapat menjadi cara yang ampuh untuk
menangani ancaman-ancaman lokal, meningkatkan produktivitas perikanan, melindungi keanekaragaman hayati,
dan meningkatkan ketahanan terhadap perubahan ikl im dan kimia laut global. KKP juga dapat meningkatkan
ketahanan pangan dan mata pencaharian berkelanjutan bagi masyarakat dan pemangku kepentingan lainnya.
Dengan dibentuknya jejaring KKP1 dapat memberikan manfaat tambahan (misalnya dengan bertindak sebagai
jaringan yang sal ing mendukung pada saat pemulihan setelah gangguan). Namun, KKP dan jejaring KKP hanya dapat
mencapai tujuan tersebut jika dirancang dengan baik dan dikelola secara efektif.
KKP dan jaringan KKP2 memainkan peran penting dalam konservasi dan pengelolaan sumber daya laut di
Indonesia. Pemerintah Indonesia berkomitmen untuk menetapkan 20 juta hektar KKP yang dikelola secara efektif
pada 2020 dan 30 juta hektar pada 2030. Hingga saat ini, terdapat 1 77 KKP yang dikelola Pemerintah Pusat dan
Daerah di Indonesia (tanpa jejaring KKP) (Gambar 1 ) , dengan total luas 22.786.1 83 hektar. Kementerian Kelautan
dan Perikanan saat ini sedang dalam proses mengidentifikasi dan menginisiasi KKP baru untuk mencapai target 30
juta hektar pada tahun 2030, dan tertarik untuk meninjau desain KKP yang telah ada. Masyarakat lokal juga telah
mendirikan Daerah Perl indungan Laut (DPL) yang dikelola secara lokal di banyak lokasi, khususnya di Indonesia
bagian timur.
Sayangnya, banyak KKP di Indonesia belum dikelola secara efektif. Saran ilmiah diperlukan untuk memastikan
bahwa KKP dan jaringan KKP dirancang dengan baik untuk mencapai tujuan dan sasaran mereka.
Baru-baru ini, The Nature Conservancy melalui Proyek USAID Sustainable Ecosystems Advanced (SEA)
memberikan bantuan teknis kepada Kementerian Kelautan dan Perikanan untuk menyusun dokumen Merancang
Kawasan Konservasi Perairan dan Jaringan Kawasan Konservasi Perairan: Panduan, Kerangka Kerja dan Contoh untuk
Indonesia. Dokumen ini memberikan kerangka kerja logis (tujuan, sasaran, kriteria desain, dan indikator kinerja)
untuk merancang KKP dan jaringan KKP, yang mempertimbangkan aspek biofisik, sosial ekonomi, dan budaya.
Kerangka kerja ini akan memberikan informasi tambahan untuk mendukung dokumen Petunjuk Teknis Peraturan
Menteri No. 1 3/201 4 tentang Pembentukan dan Pengelolaan Jejaring KKP.
Indonesia memil iki banyak tujuan untuk membentuk KKP dan jaringan KKP yakni:
• Tujuan biofisik, antara lain untuk melindungi keanekaragaman hayati, mempertahankan atau meningkatkan
perikanan pesisir, merehabil itasi habitat dan spesies, dan beradaptasi dengan perubahan ikl im dan kimia laut;
dan
• Tujuan sosial ekonomi dan budaya, antara lain untuk meminimalkan konfl ik pemanfaatan sumber daya laut
dan perikanan, mendukung mata pencaharian masyarakat yang berkelanjutan, dan mendorong partisipasi
dan dukungan aktif masyarakat dalam pengelolaan KKP dan Jejaring KKP.
RINGKASAN EKSEKUTIF
___________________________________
1 Jejaring KKP: kerja sama pengelolaan dua atau lebih KKP secara sinergis yang memil iki keterkaitan biofisik atau sosial ekonomi danbudaya2 Jaringan KKP: hubungan antara beberapa KKP secara biofisik atau sosial ekonomi dan kultur
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
1 2
Tujuan dari dokumen ini adalah untuk memberikan dasar pemikiran ilmiah untuk kriteria rancangan biofisik yang
diperlukan untuk merancang KKP dan Jaringan KKP untuk mencapai tujuan-tujuan tersebut (Tabel 1 ) . Dokumen
ini merupakan sintesis informasi i lmiah terbaik yang tersedia untuk praktisi KKP yang mungkin tidak memil iki akses,
atau waktu untuk meninjau, l iteratur yang banyak tentang topik ini. Dokumen ini juga memberikan contoh dan
studi kasus praktik terbaik untuk menerapkan kriteria rancangan ini di Indonesia dan di tempat lain.
Kriteria rancangan biofisik ini akan berkontribusi pada proses yang lebih kompleks, yang mencakup penerapan
jaringan KKP dengan memperhatikan pemanfaatan dan nilai-nilai manusia, sejalan dengan persyaratan hukum,
politik dan kelembagaan lokal. Untuk memastikan hal ini terjadi, kriteria rancangan biofisik harus digunakan
bersama-sama dengan kriteria rancangan sosial ekonomi dan budaya untuk Indonesia yang disediakan dalam
dokumen Merancang Kawasan Konservasi Perairan dan Jaringan Kawasan Konservasi Perairan: Panduan, Kerangka Kerja
dan Contoh untuk Indonesia.
Kriteria biofisik untuk merancang KKP dan Jaringan KKP di Indonesia
Mewakili Habitat
Melindungi setidaknya 20% dari setiap habitat utama di dalam ZLT.
Mereplikasi Habitat (Menyebarkan Resiko)
Melindungi setidaknya tiga contoh dari masing-masing jenis habitat utama di dalam ZLT; dan
Menyebarkan habitat-habitat utama tersebut untuk mengurangi kemungkinan dipengaruhi oleh gangguan yang sama.
Melindungi Area Penting, Khusus, dan Unik
Melindungi area-area penting dalam sejarah hidup spesies penting di dalam ZLT.
Melindungi area-area atau habitat penting untuk spesies yang kharismatik, langka, terancam, atau dilindungi.
Melindungi fenomena alam khusus dan unik di dalam ZLT.
Melindungi area-area yang penting di skala nasional, internasional, dan global untuk konservasi atau pengelolaan spesies penting.
Memasukkan Aspek Konektivitas: Faktor-faktor Abiotik
Mempertimbangkan variasi osenografi yang mempengaruhi penyebaran materi biologis dan non-biologis di laut.
Memasukkan Aspek Konektivitas: Faktor-faktor Biotik Pergerakan Dewasa dan Anakan
Memastikan ZLT cukup besar untuk menopang spesies perikanan yang penting dalam batasan ruang hidupnya selama fase
kehidupan dewasa dan anakan.
Memastikan ZLT cukup besar untuk menampung semua habitat yang digunakan oleh spesies penting selama sejarah hidupnya;
atau menetapkan jejaring ZLT yang cukup dekat untuk memungkinkan pergerakan spesies penting di antara habitat-habitat
yang dilindungi.
Memasukkan keseluruhan unit-unit ekologi di dalam ZLT. Bila tidak, pilih area yang lebih besar dibandingkan dengan yang lebih
kecil.
Menggunakan bentuk-bentuk sederhana untuk ZLT, kecuali saat melindungi habitat memanjang yang alami.
Memasukkan Aspek Konektivitas: Faktor-faktor Biotik Penyebaran Larval
Menetapkan ZLT cukup besar agar dapat mandiri menampung spesies penting; atau jaringan ZLT terhubung cukup dekat oleh
penyebaran larva.
Melindungi daerah yang terisolasi secara spasial di dalam ZLT.
Melindungi sumber larva dalam ZLT yang permanen atau musiman atau dengan penutupan perikanan sementara selama periode
pemijahan.
Menempatkan ZLT lebih ke hulu arah arus relatif dari area penangkapan ikan jika ada arus yang kuat, konsisten, dan searah.
MemberikanWaktu untuk Pemulihan
Menetapkan ZLT untuk jangka panjang (20-40 tahun) , sebaiknya permanen.
Menggunakan ZLT jangka pendek (< 5 tahun) atau yang bisa dipanen secara berkala sebagai tambahan untuk ZLT yang
berjangka panjang atau permanen.
Table 1 . Kriteria biofisik untuk merancang KKP dan Jaringan KKP di Indonesia.
Sebagai catatan bahwa sebagian dari kriteria ini dirancang untuk mempertimbangkan aspek ekologi spesies penting termasuk
spesies perikanan penting, langka, terancam, dan dilindungi, biota laut yang bermigrasi, biota laut kharismatik besar, dan biota yang
penting untuk menjaga fungsi ekosistem.
1 3
Adaptasi terhadap Perubahan Iklim dan Kimia Laut
Melindungi lokasi yang cenderung lebih tangguh terhadap perubahan lingkungan global di dalam ZLT.
Melindungi lokasi penting untuk ekologi yang sensitif terhadap perubahan iklim dan kimia laut di dalam zona larang tangkap.
Meningkatkan perlindungan spesies yang memiliki fungsi peranan penting bagi ketahanan ekosistem.
Mempertimbangkan bagaimana perubahan iklim dan kimia laut akan mempengaruhi sejarah hidup spesies penting.
Menangani ketidakpastaian dengan: menyebarkan resiko; dan meningkatkan perlindungan habitat, daerah penting, dan spesies
yang paling rentan terhadap perubahan iklim dan kimia laut.
Melindungi Area yang Sehat dan Menghindari Ancaman Lokal
Melindungi daerah-daerah dimana habitat dan populasi dari spesies penting dalam kondisi baik dengan tingkat ancaman yang
rendah.
Menghindari daerah-daerah dimana habitat dan populasi dari spesies penting dalam kondisi buruk karena ancaman lokal. Bila
tidak dimungkinkan: mengurangi ancaman; memfasilitasi pemulihan secara alami; dan mempertimbangkan biaya dan manfaat
dari merehabilitasi habitat dan spesies.
Kriteria biofisik untuk merancang KKP dan Jaringan KKP di Indonesia
15
Indonesia is the largest archipelagic country in the world, spanning 5,1 20 km from east to
west and comprising nearly 1 8,1 00 islands, 1 08,820 km of coastl ine and 5.8 mil l ion square
kilometres (km2) of water3 (Asian Development Bank [ADB] 201 4).
The archipelago lies between the Pacific and Indian Oceans and is divided into several shal low
shelves and deepsea basins (ADB 201 4), as shown in Figure 1 . These waters comprise a wide
variety of marine ecosystems of high value for conservation and management, including both
shal low-water habitats4 less than 200 meters (m) deep, such as coral reefs, mangroves and
seagrass beds, and deepwater benthic and pelagic habitats at least 200m deep, including
seamounts and persistent pelagic features.
As shown in Figure 1 , Indonesia comprises 1 2 marine ecoregions, areas of relatively
homogeneous species composition clearly distinct from adjacent systems (Spalding et al.
2007). Species composition in each ecoregion is l ikely determined by the ecosystems present
and/or a distinct suite of oceanographic or topographic features. The dominant
biogeographic forcing agents defining the ecoregions vary from location to location but may
include upwell ing, nutrient inputs, freshwater influx, temperature regimes, exposure,
sediments, currents, isolation, and bathymetric or coastal complexity.
Tropical Marine Ecosystems in Indonesia
____________________________3 2.8 mil l ion km2 of archipelagic waters, 0.3 mil l ion km2 of territorial sea, and 2.7 mil l ion km2 of exclusiveeconomic zone (ADB 201 4).4 The 200 m depth contour is often used as a proxy for the edge of the continental shelf where there is adramatic ecotone between shal low and deepwater habitats (Spalding et al. 2007).
INTRODUCTION
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA1 6
Figure 1 . Indonesia has several shal low shelves and deep-sea basins, comprising 1 2 marine ecoregions.
From Spalding et al. 2007,redrawn by Huffard et al. 201 2
Indonesia has one of the largest coral reef areas in the world, and the largest in Southeast Asia at 39,500 km2,
which is 1 6% of the world ’s reefs (Burke et al. 201 2). Indonesia’s coral reefs are also among the most biological ly
diverse in the world (Figure 2), particularly in eastern Indonesia, which is the heart of the Coral Triangle and a
global priority for conservation (Allen & Erdmann 201 2, Veron et al. 201 5) .
Global Diversity of Scleractinian (Hard) Corals (from Veron et al. 201 5)
Global Diversity of Mangroves (from Spalding et al. 201 0)
Number of Species
Number of Species
Figure 2. Indonesia comprises some of the highest marine diversity on Earth.
1 7
Indonesia is also the center of global diversity for mangroves (Figure 2) and seagrasses, and hosts one-fifth of the
world ’s mangrove forests and extensive seagrass ecosystems (Burke et al. 201 2, Spalding et al. 201 0). Indonesia’s
mangrove forests comprise 45 species occupying about 3.2 mil l ion hectares (ha), mostly in West Papua,
Kal imantan and Sumatra (Spalding et al. 201 0, ADB 201 4). Mangrove forests are productive ecosystems that
provide habitat for hundreds of species, support commercial l y important coastal finfish and shrimp fisheries,
export energy and organic matter to adjacent systems, and act as physical barriers against storm waves (Spalding
et al. 201 0, ADB 201 4).
Indonesia’s seagrass beds comprise 1 3 species spread over at least 30,000 km2 in four main habitat types5 (Short
et al 2007, ADB 201 4). Little is known about the distribution and current condition of seagrasses in Indonesia,
although the most expansive seagrass beds are found in the Arafura Sea, Papua, Sunda Shelf/Java Sea and Lesser
Sundas (Huffard et al. 201 2). Seagrass beds provide critical habitats for many commercial ly important species of
fish, shrimp and shel lfish, and play important roles in fisheries production (Short et al. 2007). They also play
important roles in sediment accumulation and stabil ization, fi ltering sediments from land-based runoff, serving as
daytime refugia for corals from ocean acidification, and providing critical habitat for endangered, threatened or
protected species (Short et al. 2007, Roberts et al. 201 7). Coastal wetlands (including mangroves and seagrasses)
also play a critical role in cl imate change mitigation through carbon sequestration and storage (Roberts et al.
201 7).
Mangroves and seagrass beds provide critical habitats for many species, and important food and livel ihoods for coastal
communities. Images (left to right) : South Sorong (© Alison Green, TNC) and East Sumba (Yusuf Fajariyanto, TNC).
Indonesia also has significant deepwater benthic and pelagic habitats. The pelagic environment is characterized by
physical processes that are highly dynamic in both space and time (e.g., ocean currents, thermal fronts, upwell ing
and eddies) , which largely control the abundance, distribution and composition of biological l ife (Game et al.
2009). Many pelagic species are also highly mobile, often covering thousands of kilometers (Green et al. 201 5) .
Consequently, pelagic ecosystems are defined by the physical , chemical and biological features of the water
column (Game et al. 2009).
Indonesia has many deepwater bathymetric features, such as seamounts, canyons, ridges, trenches and sil ls
(Wilson et al. 201 1 ) . In some locations, the seafloor drops to thousands-meter ocean depths close to shore, so
deep-sea features l ike seamounts and canyons occur within kilometers of the coast, e.g., in the Lesser Sunda
Ecoregion (Wilson et al. 201 1 ) . These deepwater bathymetric features influence physical processes, generating
persistent pelagic habitats, such as areas with elevated productivity from consistent seasonal upwell ing driven by
wind patterns and steep bathymetry close to shore (Game et al. 2009, Wilson et al. 201 1 ) . These ‘deep-sea yet
nearshore’ habitats provide important feeding grounds and migratory pathways for commercial l y important
____________________________5 Estuarine, shal low coastal, reef flats and deepwater, mostly found in waters less than 1 0m deep (Short et al 2007, Mangubhai et al .201 2).
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
1 8
pelagic fishes and large marine fauna such as cetaceans (whales and dolphins) , turtles, sharks, manta rays and Mola
mola (Wilson et al. 201 1 , Huffard et al. 201 2).
Indonesia also provides other critical ly important feeding and breeding habitats for endangered, threatened or
protected species, including at least 22 cetacean species, dugong (Dugong dugon) and 6 species of sea turtle
(reviewed in Huffard et al. 201 2, ADB 201 4).
Ecosystem Goods and Services
More than 300 ethnic groups comprise Indonesia’s population of about 238 mil l ion (BPS 201 4), each with their
own culture and beliefs (ADB 201 4). Fifty-seven percent of the population l ives on Java (7% of the land area),
while only 2% lives in the eastern Indonesian provinces of Maluku, North Maluku, Papua and West Papua, which
occupy 24% of the land area (Badan Pusat Statistik [BPS] 201 0, ADB 201 4). Their health, nutrition, food security,
economic growth, and welfare al l depend upon the sustainable use of marine resources.
Indonesia’s rich marine resources generate important economic and social benefits from capture fisheries
(commercial and subsistence) and aquaculture, tourism, minerals, oil and gas, transport and shipping (Mangubhai
et al . 201 2, ADB 201 4). Coral reef, mangrove and seagrass ecosystems provide critical habitats for many
commercial l y valuable fisheries species, and are important sources of food and livel ihoods for coastal
communities6 (reviewed in Spalding et al. 201 0, ADB 201 4). The physical structure of coral reefs and mangroves
is vital for shorel ine protection, as it dissipates wave energy, stabil izes shorel ines, reduces erosion, and lessens
inundation and wave damage during storms, thus protecting human settlements, infrastructure and other habitats
l ike seagrasses (Burke et al. 201 2, Roberts et al. 201 7). Intact reefs and coastal wetlands can also help safeguard
people and infrastructure from the adverse effects of rising sea levels (Roberts et al. 201 7).
Indonesia’s fisheries play an important role in national food security, since fishery products are general ly
consumed by poor households (Food and Agriculture Organization [FAO] 2009). Indonesia has the highest total
fish and seafood consumption of any country in Southeast Asia, and the fifth highest in the world (FAO 201 0 in
Burke et al. 201 2). About 70% of the county’s protein sources come from fish, and in some poor coastal
communities, this figure approaches 90% (Huffard et al. 201 2).
Twenty-one percent of Indonesia’s agricultural economy and 3% of the country’s Gross Domestic Product (GDP)
are from the fishing industry (FAO 201 1 a) . In 201 7, GDP from marine capture fisheries was valued at 1 4.8 bil l ion
USD and the total national production was 23.3 mil l ion tons (BPS 201 4). More than one-third of the population
l ives in coastal areas and depends on nearshore fisheries for their l ivel ihood (ADB 201 4). About 95% of fishery
production is from artisanal fishers, with 28% of the marine fleet (620,830 vessels) using non-powered boats
(FAO 201 1 a) . Women play a crucial role in fishing activities, although their involvement varies across ethnic
groups, cultures and rel igions, and with economic status (ADB 201 4).
____________________________6 For fish farming and harvesting charcoal. firewood, construction materials, bed mattresses, handicrafts, animal feed, tannins andmedicines.
Coral reefs provide important ecosystem goods and services for people, including from tourism and fisheries. Images, left to
right: Raja Ampat Islands MPA (© Jeff Yonover) and Wakatobi National Park (Bridget Besaw).
1 9
Coral reefs are particularly important sources of food and income for coastal communities in Indonesia (ADB
201 4). Nearly 60 mil l ion people l ive on the coast within 30 km of coral reefs, which is the largest reef-associated
human population of any country in the world, and more than one mil l ion fishers depend on coral reef fisheries
for their l ivel ihoods (Burke et al. 201 2).
In 201 0, the annual net economic benefit in Indonesia from coral reef-related goods and services alone was
estimated to be approximately $2 bil l ion USD, comprising $1 27 mil l ion from tourism, $1 .5 bil l ion from fisheries
and $387 mil l ion from shorel ine protection (reviewed in Burke et al. 201 2). Indonesia is among the top five
exporters of reef products global ly, and marine tourism is growing rapidly and contributing more to the economy
at the local and national levels. Reefs are also valuable for research to develop potential l y l ife-saving
pharmaceuticals, e.g., to treat cancer, HIV, and other diseases (Burke et al. 201 2).
However, Indonesia’s reefs face high levels of threats, and because people are highly dependent on reefs and have
a l imited capacity to adapt to reef loss, the country is considered to have very high social and economic
vulnerabil ity to coral reef degradation and loss (Burke et al. 201 2).
Status and Threats
Habitats
In Indonesia, many marine ecosystems and the services they provide have been lost or seriously degraded, or are
threatened by a combination of local anthropogenic threats including overharvesting, destructive fishing, coastal
development, mass tourism, watershed- and marine-based pollution, and mineral, oil and gas exploration and
mining (Burke et al. 201 2, ADB 201 4). Changes in cl imate and ocean chemistry also represent a serious and
increasing threat to these ecosystems, and the goods and services they provide (Burke et al. 201 2).
Heavy rel iance on marine resources across Indonesia has led to marine resources being overexploited and
degraded, particularly those near major population centers (ADB 201 4). For example, nearly 95% of Indonesia’s
coral reefs are threatened by local human activities, with more than 35% at high or very high risk from overfishing,
destructive fishing, marine and watershed-based pollution and coastal development (Burke et al. 201 2) (Figure 3).
When the influence of thermal stress and coral bleaching is combined with local threats, the area of high- or very-
high-risk reefs increases to more than 45% (Burke et al. 201 2).
Figure 3. More than 35% of coral reefs in Indonesia are at high or very high risk from local threats.
From Burke et al . 201 2
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA20
Mangrove forests also continue to be degraded by coastal erosion and sea level rise, impacts of rapid economic
development in coastal areas7, and unsustainable forest practices (reviewed in Spalding et al. 201 0, ADB 201 4).
Consequently, the total mangrove area in Indonesia is estimated to have decreased dramatical ly over a 20-year
period to about 30% of the previous area (ADB 201 4). However, despite extensive losses in western parts of the
country, Indonesia stil l has the largest area of mangroves in the world, encompassing 31 ,894 km2, or 21 % of the
world total (Spalding et al. 201 0).
The distribution, diversity and health of many of Indonesia’s seagrasses are also severely threatened by local
anthropogenic threats such as coastal construction and reclamation, mineral mining activities, marine pollution and
land-based runoff8, and natural stresses such as storms, tidal waves, volcanic eruptions, high temperatures, and
radiation exposure during low tides (Short et al. 2007, ADB 201 4).
Endangered,Threatened or Protected Species
Overexploitation over the last few decades has degraded coastal and marine biodiversity, leading to rareness or
local extinction of species and destruction of their critical coastal habitats, particularly mangroves and coral reefs
(Spalding et al. 201 0, ADB 201 4). Some coastal and marine species are now considered endangered or
threatened on a global scale (see IUCN Red List of Threatened Species: https://www.iucnredl ist.org/), prompting
the national government to issue Regulation No. 7/1 999 legal ly protecting al l species of sea turtle, crocodile and
cetacean (dolphins and whales) that occur in Indonesia, as well as dugong, the coelacanth (Latimeria manadoensis)
and 1 5 species of invertebrate (Huffard et al. 201 2, ADB 201 4).
Six of the world's seven species of sea turtle occur in Indonesia9 (reviewed in Huffard et al. 201 2) that are
considered endangered (green), critical ly endangered (hawksbil l ) , vulnerable (leatherback, loggerhead and olive
ridley) and data deficient (flatback). Despite being protected species, they are stil l threatened in Indonesia by
il legal trade and consumption for food and curios, habitat destruction and alteration from coastal tourism and
industrial development, pol lution, disease, cl imate change, and fisheries bycatch from trawlers, longl ines and gil l
nets (ADB 201 4).
Dugong are found in the coastal waters of Indonesia, particularly where there are large tracts of seagrasses,
mangroves and coral reefs (reviewed in de Longh et al. 2009). They obtain 90% of their food from seagrass beds,
and the loss of this habitat is a major threat to the species. Dugong are protected in Indonesia by a decree of the
Minister of Agriculture (Decree No. 327/Kpts/Um/1 972.) , but they are stil l hunted for food and body parts
(teeth and skeleton), accidental ly caught by fishing activities, and kil led or injured by boat propel lers. No reliable
estimates of dugong populations are available for Indonesia, although important dugong populations are believed
to stil l occur in North Sulawesi, West Papua, Maluku, East Nusa Tenggara and Bintan1 0.
There are at least 22 species of cetacean (dolphins and whales) in Indonesia, including 1 8 species of toothed
whale and four species of baleen whale (reviewed in Huffard et al. 201 2). Two main habitats are important for
these species: deep-sea habitats, which sustain great whales and oceanic dolphins (e.g., in the Banda Sea), and
nearshore waters, particularly those that are relatively undisturbed, that coastal species rely on1 1 . Coastl ines that
provide deep-sea yet nearshore habitats are especial l y rich in marine mammal diversity and food sources (e.g., in
the Lesser Sunda Ecoregion). However, the population status of cetaceans is largely unknown in Indonesian
waters. Although al l cetaceans are protected, they face increasing threats and stressors from ship strikes,
entanglement in fishing nets, loss of coastal habitats and plastic pol lution, undersea mining, and seismic testing
(Mangubhai et al . 201 2). Commercial whaling was banned in 1 986, but indigenous harvesting of whales and other
____________________________7 From conversion/reclamation of land for agriculture, aquaculture, mining, port expansion, urbanization, tourism and infrastructuredevelopment, overharvesting, and coastal pol lution due to oil spil ls and domestic and industrial waste.8 From human settlements, industrial and urban developments, logging, and land clearing.9 Green (Chelonia mydas) , hawksbil l (Eretmochelys imbricata) , ol ive ridley (Lepidochelys olivaea) , leatherback (Dermochelys coraicae) ,loggerhead (Caretta caretta) and flatback (Natator depressa) .1 0 From Arakan Wawontulap to Lembeh Strait (between Lembeh and the mainland, North Sulawesi) , on the east coast of Biak Island, inwestern Cendrawasih Bay Marine National Park (Papua Barat) , around the Lease and Aru Islands (Maluku), and around the Flores-Lembata Islands (East Nusa Tenggara), in Ujung Kulon National Park, Sunda Strait, Banten Bay, Bangka Belitung and Trikora Beach(Bintan).1 1 Such as those on the southern coast of Papua and eastern coast of Kalimantan.
21
megafauna (manta rays and whale sharks) continues in Lamalera and
Lamakera Vil lages in East Nusa Tenggara1 2 (Dewar 2002).
Four species of crocodile are found in Indonesia including saltwater
(Crocodylus porosus) and freshwater (Crocodylus novaeguineae)
species. They have been hunted for their skins and their habitats
threatened by coastal development l ike fil l ing in brackish streams and
destroying nesting beaches for road construction, but very l ittle
information is available regarding their distribution and population
status (Mangubhai et al . 201 2).
Populations of large vulnerable reef fishes (e.g., sharks, large
groupers, Napoleon wrasse and bumphead parrotfishes) have also
been overexploited in many locations, particularly species targeted
by the l ive reef food fish trade, including coral trout, Napoleon
wrasse and barramundi cod (ADB 201 4).
Fifteen species of invertebrate are protected in Indonesia, including
the black coral (Antiphates spp.) ; two species of crustacea, namely,
horseshoe and coconut crabs; and 1 2 mollusks, including giant clams,
trumpet triton, horned helmet, top shel l , turban shel l and pearly
chambered nautilus (Huffard et al. 201 2, ADB 201 4). Even so, some
of these species are stil l widely exploited, e.g., giant clams and large
snails, which are harvested for food and sale as curios (ADB 201 4).
What are MPAs and MPA Networks?
Marine Protected Areas (MPAs) are clearly del ineated marine
managed areas that contribute to the protection of natural
resources in some manner (Dudley 2008). They include, but are not
l imited to, areas with a variety of regulations, including no-take zones
(NTZs: areas of ocean protected from extractive and destructive
activities) and areas with restrictions on access and activities (e.g.,
for fisheries or tourism). MPA Networks are a col lection of
individual MPAs that operate cooperatively or synergistical ly and are
connected ecological ly (Dudley 2008, International Union for
Conservation of Nature-World Commission on Protected Areas
[IUCN-WCPA] 2008).
What can MPAs and MPA Networks
Achieve?
MPAs, particularly NTZs, can be powerful tools to address local threats and
enhance fisheries productivity, protect biodiversity and increase resil ience to
changes in cl imate and ocean chemistry (Green et al. 201 4a, Roberts et al.
201 7). For example, NTZs can increase the diversity, density, biomass, body
size, l ifespan and reproductive potential of coral reef fishes (particularly
fisheries species) within their boundaries (Lester et al. 2009, Gil l et al . 201 7).
They can also provide significant conservation and fisheries benefits to other NTZs and fished areas through the
export of eggs, larvae, juveniles and adults (Halpern et al. 201 0, Harrison et al. 201 2, Roberts et al. 201 7).
MPAs can also support fisheries and sustainable l ivel ihoods for communities and other stakeholders. For
example, effectively managed MPAs with NTZs can enhance fishing yields outside of no-fishing areas and attract
Fifteen species of invertebrates are
protected in Indonesia, although some are
stil l harvested. Images, from top to
bottom: Giant clam, Dampier Strait MPA
(© Awaludinnoer, TNC); black coral, Savu
Sea MNP (© Rizya Ardiwijaya, TNC); and
trochus harvested at sasi opening in Raja
Ampat (© Awaludinnoer, TNC).
____________________________1 2 http://thecoraltriangle.com/stories/is-there-a-place-for-traditional-whale-hunting-in-the-modern-world
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
22
visitors to the protected sites for snorkeling and scuba diving opportunities (e.g., see Russ et al. 2004). These
visitors support community l ivel ihoods by creating a demand for boat rental and dive guides, purchasing local ly
made handicrafts and food items as well as paying user fees for MPA entry (e.g., the Raja Ampat tourism entrance
fee). Community-based MPAs that have a degree of local autonomy and control can not only enhance economic
revenues, but also provide an incentive for community cohesiveness of purpose and pride in their resource areas
of jurisdiction. In turn, once they real ize the benefits derived from their protected areas, the communities
become effective stewards of these areas (Walmsley & White 2003, White & Rosales 2003, Leisher et al. 201 2).
MPA Networks can provide even more benefits. For the same amount of spatial coverage, networks of MPAs can
potential l y del iver most of the benefits of individual MPAs, but with less costs due to greater flexibil ity in the size
and location of individual MPAs (IUCN-WCPA 2008). They can also del iver additional benefits by increasing the
chance of protecting multiple examples of features of interest, spreading the risk from local and global threats
across larger spatial scales, and enhancing the probabil ity of overal l persistence of habitats, populations and
species, e.g., by acting as mutual ly replenishing networks to facil itate recovery after disturbances (IUCN-WCPA
2008, Roberts et al. 201 7). Because of their flexibil ity in design and application, MPA networks are also
particularly suited to addressing multiple objectives in different contexts (FAO 201 1 b, IUCN-WCPA 2008).
However, MPAs and MPA Networks can only achieve their objectives if they are well-designed and effectively
managed (Green et al. 201 4a, White et al. 201 4, Gil l et al . 201 7). For example, a global review by Edgar et al.
(201 4) demonstrated that MPAs with five key characteristics – no-take, well-enforced, well-establ ished (at least1 0
years old) , large (at least 1 00 km2) and isolated by deep water – produce the greatest ecological benefits.
However, large NTZs may not be appropriate in many instances, particularly where coastal communities rely on
fishing for their subsistence (Green et al. 201 4a). In that situation, networks of smaller, well-connected NTZs may
be more feasible, and can produce tangible benefits for some species (e.g., see Russ et al. 2004).
Furthermore, for MPAs and MPA Networks to be effective, they need to have support from local communities,
and adequate staff capacity and resources to perform monitoring, enforcement, administration, community
engagement, sustainable tourism activities and other tasks (White et al. 201 4, Gil l et al . 201 7). They also need to
be embedded within broader management frameworks that address al l threats to ensure the long-term
sustainabil ity of marine resources and the ecosystem benefits they provide (see Integrating MPAs within Broader
Management Frameworks) .
MPAs and MPA Networks in Indonesia
MPAs play a major role in conservation and resource management in Indonesia, and the national government is
committed to establ ishing 20 mil l ion ha of effectively managed MPAs by 2020 and 30 mil l ion ha by 2030. To date,
there are 1 77 national and local government MPAs establ ished (and no MPA Networks), covering an area of 22.8
mil l ion ha (MMAF 201 8). The Ministry of Marine Affairs and Fisheries (MMAF) is now identifying and establ ishing
new MPAs to achieve their target of 30 mil l ion ha in MPAs by 2030, and is interested in reviewing the design of
existing MPAs.
Coastal communities have also establ ished Local ly Managed Marine Areas (LMMAs) in many locations,
particularly in eastern Indonesia (LMMA Network, see http://lmmanetwork.org) . LMMAs are often used to
enhance traditional methods to regulate the use of specific marine resources by closing access to these resources
at a certain time or place (ADB 201 4), although only a few coastal communities continue these traditions, such as
the sasi system in the Moluccas and West Papua (ADB 201 4) (see below).
Unfortunately, many of the existing MPAs are not yet managed effectively (Burke et al. 201 2). More scientific
advice is also required to ensure that MPAs and MPA Networks are well designed to achieve their goals.
In 201 9, The Nature Conservancy (TNC) and the USAID Sustainable Ecosystems Advanced Project (USAID
SEA) provided technical assistance to MMAF to develop the document A Guide, Framework and Example: Designing
Marine Protected Areas and Marine Protected Area Networks to Benefit People and Nature in Indonesia (Green et al.
2020). This document provides a logical framework (goals, objectives, design criteria and performance indicators)
for designing MPAs and MPA Networks in Indonesia, which takes biophysical , socioeconomic and cultural
23
Women in Kapatchol Vil lage, West Misool (Raja Ampat) used traditional methods (sasi) to temporarily close a 1 00 ha area to
improve the harvest of sea cucumbers with scientific advice from The Nature Conservancy. Images: © Awaludinnoer, TNC (left)
and Nugroho Arif Prabowo, TNC (right) .
considerations into account.
The framework provides seven goals for establ ishing MPAs and MPA Networks in Indonesia where:
• Biophysical goals include protecting biodiversity, maintaining or enhancing coastal fisheries, rehabil itating
habitats and species, and adapting to changes in cl imate and ocean chemistry.
• Socioeconomic and cultural goals include minimizing confl icting use of marine resources and fisheries,
supporting sustainable community l ivel ihoods, and promoting active community participation and support
in MPA or MPA network management.
This framework wil l provide supplementary information to support the Technical Guidelines (Juknis) of Ministerial
Regulation No. 1 3/201 4 on Establishing and Managing MPA Networks (MMAF in prep.) .
What are MPA Network Design Criteria?
Design criteria are guidel ines that provide advice on how to design MPAs and MPA Networks to achieve their
goals (Green et al. 201 3) . The framework for designing MPAs and MPA Networks in Indonesia (Green et al.
2020) provides two types of design criteria:
• Biophysical criteria aimed at taking key biological and physical processes into account; and
• Socioeconomic and cultural criteria aimed at maximizing benefits and minimizing costs to local communities
and sustainable industries.
The biophysical criteria for designing MPAs and MPA Networks in Indonesia are provided in
Table 1 (Executive Summary) . Here we provide the scientific rationale for each of these design
criteria, which address the need to: represent and replicate habitats; protect critical , special and
unique areas; incorporate connectivity; al low time for recovery; protect healthy areas and avoid
local threats; and adapt to changes in cl imate and ocean chemistry.
Many of these criteria are designed to consider the ecology of focal species, including:
• Key fisheries species (particularly demersal fish, small pelagic fish and crustaceans) ;
• Endangered, threatened and protected species and/or migratory marine biota (sea
turtles, marine birds, cetaceans, dugong and crocodiles) ;
• Large charismatic marine fauna (sharks, manta rays, whale sharks and Mola mola) ; and
• Species important for maintaining ecosystem function, i.e., habitat-forming species (e.g.,
corals) or species important for reef resil ience (e.g., herbivores) .
Most of these design criteria relate specifical ly to NTZs because they provide the greatest
ecological benefits for enhancing fisheries productivity, protecting biodiversity and adapting to
cl imate change (Edgar et al. 201 4). These criteria can also be applied to other types of zones,
although they are l ikely to be less effective in achieving these objectives (Knowles et al. 201 7).
They wil l need to be adapted and refined when designing MPAs and MPA Networks in different
locations, based on local and scientific knowledge of the biophysical characteristics of the area.
To assist with this process, we provide examples of best practices for applying these design
criteria in several locations in Indonesia and elsewhere in the Indo-Pacific Region.
BIOPHYSICAL CRITERIA
FOR DESIGNING MPAS
AND MPA NETWORKS
IN INDONESIA
25
Represent Habitats
Protect at least 20% ofeach major habitat in NTZs.
Different animal and plant species use different habitats (Figure 4). Therefore, adequate examples of each major
habitat should be protected within NTZs to protect al l species (including focal species) and maintain ecosystem
health, integrity and resil ience (McLeod et al. 2009, Gaines et al. 201 0, Green et al. 201 4a).
In Indonesia, major habitats for protection include: shal low and coastal marine habitats at depths of less than
200m, including coral reefs, mangroves forests, seagrass beds and estuaries, and deepwater benthic habitats at
200m depth or deeper (e.g., seamounts) . Deepwater pelagic habitats are also important to protect (e.g., see
Wilson et al. 201 1 ) , although discrete habitats can be difficult to identify and are l ikely to be transient in space and
time (see review in Game et al. 2009, Wilson et al. 201 1 ) .
A key consideration is how much of each of these habitats should be included in NTZs. To determine how much
of each habitat to protect, it is important to consider that a population can only be maintained if it produces
sufficient eggs and larvae to sustain itself (reviewed in Green et al. 201 4a). This threshold is unknown for most
marine populations, so fisheries ecologists have expressed it as a fraction of unfished stock levels and examined
empirical evidence to determine a general safe value of that parameter. Meta-analyses suggest that keeping this
threshold above approximately 35% of unfished stock levels ensures adequate replacement over a range of
species.
To approximate the level of protection of this threshold, about 35% of the habitats used by focal species should
be protected in NTZs in heavily fished areas, where habitat protection is a proxy for protecting fisheries stocks
(reviewed in Green et al. 201 4a). While lesser levels of habitat protection (but not less than 1 0%) may be
sufficient in areas with low fishing pressure, higher levels of protection (40%) may be required where fishing
pressure is high to protect species with lower reproductive output or delayed maturation, such as sharks and
some groupers. Higher levels of protection may also be required in areas vulnerable to severe disturbances (e.g.,
typhoons) and cl imate change impacts (All ison et al. 2003) (see Adapt to Changes in Climate and Ocean Chemistry) .
Therefore, to maximize benefits for enhancing fisheries and conserving biodiversity in the face of cl imate change
in Indonesia, at least 20% of each major habitat should be included in NTZs (Green et al. 201 4a, 2020). The
recommended percentage wil l vary in different locations, depending on several factors including fishing pressure
and if there is effective fisheries management in place outside of NTZs (Green et al. 201 4a). I f fishing pressure is
high and the only protection offered to fisheries species is in NTZs, then the proportion of each major habitat in
NTZs should be at least 30%. If effective fisheries management is in place outside of NTZs, or if fishing pressure
is low, then a lesser level of protection (20%) may be needed. Percent habitat representation should also consider
the vulnerabil ity, diversity or rarity of each habitat, and the ecosystem services it provides (Green et al. 201 7).
These recommendations are supported by empirical studies showing that 20-30% habitat protection in NTZs can
achieve conservation and fisheries objectives in areas with different levels of fishing pressure in the Indo-Pacific
Region (Green et al. 201 4a). Furthermore, a recent modeling study in the Coral Triangle demonstrated that
networks of NTZs that protect 20-30% of fished habitats should benefit biodiversity conservation and the long-
term productivity of coral reef fisheries, and be unl ikely to diminish fisheries catch (Krueck et al. 201 7a).
I t is important to note that this design criteria should be applied to protect at least 20% of each major habitat
type, such as for instance, each type of coral reef, mangrove or seagrass community (see Appendix 1 ) , because
each habitat wil l comprise different floral and faunal communities. Furthermore, for large MPAs or MPA networks
that include more than one marine ecoregion (see Figure 1 ) , at least 20% of each type of major habitat type
should be protected in NTZs within each ecoregion (Munguia-Vega et al. 201 8).
26 BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
Figu
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rass
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27
Replicate Habitats (Spread the Risk)
Protect at least three examples ofeach major habitat type in NTZs, and
Spread them out to reduce the chances they will all be affected by the same disturbance.
Large-scale disturbances can have serious impacts on tropical marine ecosystems, including mass coral bleaching
events, major storms, and outbreaks of coral predators l ike crown-of-thorns starfish (West & Salm 2003).
Indonesia’s coral reefs can also be adversely affected by natural phenomena such as earthquakes and tsunamis
(Hopley & Suharsono 2000). For example, the 2004 tsunami caused massive damage to coral reefs in Aceh,
North Sumatra and the western islands (BAPPENAS 2005).
Since it is difficult to predict with certainty which areas are most l ikely to be affected by these and other
disturbances (e.g., ship groundings and oil spil ls) , it is important to protect at least three examples of each major
habitat in NTZs and spread them out to reduce the chance that al l examples wil l be adversely impacted by the
same disturbance (McLeod et al. 2009, Green et al. 201 4a). This wil l promote the l ikel ihood that, if one example
of a major habitat is severely damaged, others wil l remain to provide the larvae required to replenish the affected
area. Since variations in communities and species within major habitats are often poorly understood, habitat
repl ication also increases the l ikel ihood that examples of each are represented within the same MPA Network
(McLeod et al. 2009, Gaines et al. 201 0, Green et al. 201 4a).
For example, this criterion was used to design a resil ient network of MPAs for the Lesser Sunda Ecoregion
(Wilson et al. 201 1 ) (Figure 5). Where possible, the design includes at least three widely separated examples of
each major habitat type in existing or proposed MPAs or Areas of Interest (to be considered as potential areas
for establ ishing new MPAs). The same design criteria were used to develop the zoning plan for the Savu Sea
Marine National Park (Balai KKPN Kupang 201 4) .
Protect Critical, Special and Unique Areas
Protect critical areas in the life history offocal fisheries species in NTZs.
When animals aggregate, they are particularly vulnerable and, often, the reasons they aggregate are crucial to the
maintenance of their populations (see reviews in Green et al. 201 4a, 201 5). For this reason, the main areas where
they aggregate must be protected to help maintain and restore their populations (Green et al. 201 4a, 201 5). In
Indonesia, critical areas for protecting fisheries species include:
• Fish or invertebrate spawning areas and nursery grounds; and
• Breeding or aggregation sites for large vulnerable reef fishes (e.g., sharks) .
For example, some focal fisheries species form fish spawning aggregations, which general ly fal l within two
categories, namely, resident and transient (see review in Green et al. 201 5) . Some of these species, including
groupers, snappers, emperors and rabbitfishes, travel long distances to form transient fish spawning aggregations
for relatively short periods of time (days or weeks). Others are resident spawners which tend to spawn
frequently throughout the year and travel short distances (meters to hundreds of meters) to spawning sites that
are considered part of their home range.
Prel iminary information indicates that several large, vulnerable fisheries species aggregate to spawn in Indonesia,
including Napoleon Wrasse and some groupers, jacks and snappers1 3. Spawning seasons are stil l unclear, although
best available information indicates that October to November and May to June may be peak spawning seasons
for these species (Purwanto & Muljadi pers. comm. ) .
Fish spawning aggregation sites, and associated migratory corridors and staging areas where fish aggregate prior
to and after spawning, are particularly important to protect, because they are spatial l y and temporal ly predictable
____________________________1 3 Epinephelus fuscoguttatus, E. polyphekadion, Plectropomus areolatus, Caranx sexfasciatus, Lujanus bohar, Macolor macularis and M. niger.
28 BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
FromW
ilsonetal.2011
Figu
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29
and concentrate reproductively active fish in a manner that enhances their vulnerabil ity to overfishing (see reviews
in Green et al. 201 5, 201 7). For these species, such gatherings are the only opportunities to reproduce, and they
are crucial to population maintenance. Unmanaged fishing of these areas can rapidly deplete their populations.
Some fish and invertebrate species also group together in
feeding or resting areas, or in nursery areas where juveniles
use different habitats than adults (Figure 6). In Indonesia, many
species of coral reef and coastal pelagic fishes1 4 use different
habitats l ike mangroves, seagrass beds or shal low turbid
waters as nursery grounds before moving to their adult habitat
on coral reefs (reviewed in Green et al. 201 5) . The presence
of these juvenile habitats can have profound impacts on
community structure on reefs by increasing the biomass of
these species, some of which may be absent or have lower
densities on reefs where their juvenile habitats are lacking
(reviewed in Green et al. 201 5) . In view of this, it is important
to protect the range of habitats that focal species use
throughout their l ives, particularly areas used during critical l ife
history phases (reviewed in Green et al. 201 4a, 201 5).
I f the temporal and spatial locations of the focal species’
critical habitats are known, these areas should be protected in
permanent or seasonal NTZs. I f their locations are unknown, or
the scale of the focal species’ movement is too large to include in
individual NTZs, they can be protected within a network of NTZs
in combination with other management approaches, such as
seasonal capture and sale restrictions during the spawning season. NTZs protecting each critical area should be
spaced to al low for movements of focal species among protected habitats (see Consider Movement of Adults and
Juveniles) . (Green et al. 201 4a, 201 5)
Protect critical areas or habitats for charismatic, endangered, threatened or protected
species.
Charismatic, endangered, threatened or protected species aggregate and use habitats that are crucial to their
population maintenance. In Indonesia, these critical areas include:
• Nesting, breeding or calving areas (e.g., for sea turtles, seabirds, sharks, cetaceans and crocodiles)
• Feeding, resting or cleaning areas for large, vulnerable and charismatic marine species (e.g., cetaceans,
dugong, manta rays, whale sharks and Mola mola)
• Movement corridors for migratory biota (e.g., marine birds, sea turtles and cetaceans) .
Critical areas for sea turtles include nesting beaches and foraging and resting areas on, for instance, seagrass beds
and coral reefs. While these critical areas span the entire archipelago, different species use different areas. For
example, sea turtles use many nesting beaches throughout the country, with different beaches important for
different species (reviewed in Huffard et al. 201 2, ADB 201 4). Some of these nesting beaches are of national and
international importance for maintaining the populations of these species and thus a high priority for protection
(Huffard et al. 201 2)1 5.
Fish spawning aggregations are crucial for population
maintenance, and should be protected in NTZs
combined with other fisheries management
approaches. Image: Napoleon wrasse spawning
aggregation in the Banda Islands (© Andreas Muljadi) .
____________________________1 4 Including some parrotfishes (e.g., bumphead parrotfishes) , snappers, surgeonfishes, jacks, barracuda, emperors, sweetl ips, groupers,goatfishes, wrasses (e.g., Napoleon wrasse), rabbitfishes and sharks, among others.1 5 Including the largest leatherback turtle rookery in the Pacific (the north coast of West Papua, including Jamursba Medi) , the largestremaining green turtle rookery in Southeast Asia (Derawan and Sanggalaki Islands, East Kalimantan), the most important hawksbil lrookeries in Southeast Asia (in Anambas and Natuna Islands) , one of the most important green turtle rookeries in Indonesia at AruIsland, and a major nesting beach for olive ridley turtles in East Java..
30 BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
Figu
re6.So
mesp
eciesuse
differe
nthab
itatsat
differe
nttimesth
rough
outth
eir
lives(e
.g.,fo
rhomera
nge
s,sp
awningornursery
areas
).
31
Critical areas for dugong are primarily coastal waters with large tracts of seagrass and mangroves, particularly
seagrass beds that provide 90% of their food (ADB 201 4), while critical habitats for crocodiles include brackish
streams and nesting beaches (Mangubhai et al . 201 2).
Critical areas for cetaceans in Indonesia include (e.g., see Huffard et al. 201 2, Wilson et al. 201 1 , ADB 201 4):
• Nearshore-yet-deep-sea migration corridors for cetaceans travel ing between the Indian and Pacific
Oceans, massive high productivity upwell ing sites that provide foraging habitats for great whales and
oceanic dolphins, and mating and calving areas for sperm whales and oceanic dolphins in the Lesser Sunda
Islands;
• Calving areas for sperm whales in the Bird ’s Head Seascape and Sangihe-Talaud Islands;
• Blue whale aggregation areas in the Banda Sea;
• Resting areas for dolphins (e.g., in Barate Bay, Kupang and Kalabahi Bay, Alor); and
• Coastal whale habitats e.g., mangrove areas in rivers for Irrawaddy dolphins and finless porpoises in East
Kalimantan, Southwest Papua and the Arafura Sea.
Several other large, charismatic marine species also form aggregations in Indonesia, which makes them vulnerable
to overexploitation by fishing and mass tourism. For example:
• Manta rays (Mobula alfredi) aggregate at feeding grounds where there is high zooplankton biomass due to
strong currents or high productivity associated with seasonal upwell ing, or at cleaning stations, such as in
Komodo or Raja Ampat (Dewar et al. 2008, Setyawan et al. 201 8).
• Whale sharks (Rhincodon typus) are consistently sighted in some locations, e.g., in Cendrawasih Bay and
Kaimana, where they are often associated with l ift net ‘bagan ’ fisheries targeting anchovy aggregations
(Mangubhai et al . 201 2).
• Giant sunfishes (Mola mola) visit cleaning stations, where they are cleaned by coral reef fishes, such as in
Nusa Lembongan, Bal i (Konow et al. 2006).
Critical areas for charismatic, endangered, threatened or protected species are crucial for their population maintenance, and
should be protected. Images, from top left clockwise: sperm whales in a migratory corridor in the Savu Sea (© Yusuf Fajariyanto);
leatherback sea turtle nesting at Jamursba Medi beach, West Papua (© Andreas Muljadi) ; Mola mola cleaning station at Nusa
Lembongan, Bal i (© Marthen Welly) ; and whale shark aggregation in Cenderawasih Bay (© Awaludinnoer).
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
32
Areas where manta rays, whale sharks and Mola mola aggregate are popular destinations for tourism, where
visitors can dive or snorkel with these charismatic species. Thus, protecting their aggregation sites is important
both for maintaining the populations of these species and protecting an important economic asset1 6 (O’Malley et
al. 201 3) . Unfortunately, these species are at risk from mass tourism at some of these aggregation sites, where
there is the potential for boat and propel ler strikes and disruptions to their social behavior (O’Malley et al. 201 3,
Setyawan et al. 201 8).
Movement studies have also shown that while some charismatic, endangered, threatened or protected species
l ike manta rays may exhibit high site fidel ity to, and seasonal movements between, their aggregation sites
(Setyawan et al. 201 8), many are highly migratory and move hundreds to thousands of kilometers between
breeding and feeding areas both in Indonesia and other countries. For example, ol ive ridley sea turtles nesting in
West Papua feed in other provinces in Indonesia, such as Maluku (Figure 7); green sea turtles move between
important nesting and feeding areas in Indonesia, Malaysia, the Phil ippines and Austral ia (Figure 7); and
leatherback turtles nesting in West Papua move as far as the California coast (reviewed in Huffard et al. 201 2).
Many different approaches, therefore, are required to protect critical areas for charismatic, endangered,
threatened or protected species in Indonesia, as fol lows:
• Some critical habitats (e.g., mangroves or seagrass beds) should be protected in NTZs combined with
other management approaches to address al l of the threats to these habitats and species1 7 (see Integrating
MPAs within Broader Management Frameworks) .
____________________________1 6 For example, manta ray watching is estimated to provide over US$1 5 mil l ion in direct economic benefits to Indonesia per year.1 7 Such as habitat destruction and degradation from coastal development and land-based runoff of sediments and nutrients, andunsustainable fishing or hunting practices.
Figure 7. Olive ridley sea turtles nesting in West Papua (left) and green sea turtles nesting in East Kalimantan (right) travel to feeding
areas in other Indonesian provinces or countries in Southeast Asia.
33
• Some critical areas l ike migratory corridors may be protected using other types of zones or management
frameworks that address the main threats to migratory species in these areas, such as by managing fishing
gear type, vessel traffic or seismic testing.
• Aggregation areas for charismatic species should be protected in permanent or seasonal MPAs with strict
controls on visitor management1 8 (Dewar et al. 2008, Setyawan et al. 201 8, Rigby et al. 201 9).
A transboundary approach to management may also be required to protect species that move long distances
both within and outside Indonesia (Mangubhai et al . 201 2) (Figure 7).
Effective management remains a concern for managing these species in Indonesia. For example, manta rays are
protected national ly by MMAF Decree No. 4/201 4, and local ly in the Raja Ampat Shark and Ray Sanctuary and
Komodo National Park (Dewar et al. 2008, Setyawan et al. 201 8), but they are stil l harvested unsustainably in
some areas, with associated population decl ines (Dewar 2002, Dewar et al. 2008, O’Malley et al. 201 3) .
Nevertheless, there are some success stories. For example, in 201 2, Raja Ampat was declared Indonesia’s first
shark sanctuary (Mangubhai et al . 201 2). This appears to have been an ecological and socioeconomic success,
with the abundance of reef sharks now significantly higher in well-enforced, large NTZs (more than 400 km2 in
size) compared to areas open to fishing, primarily due to a partnership between the private sector and local
communities, where communities receive benefits in return for protecting the NTZs ( Jaiteh et al. 201 6).
Protect special and unique natural phenomena in NTZs.
Some areas have special and/or unique natural phenomena, which should be conserved to ensure that al l
examples of biodiversity and ecosystem processes are protected (McLeod et al. 2009, Green et al. 201 4a). In
Indonesia, these include areas with:
• Very high biodiversity, particularly in eastern Indonesia (i.e., Raja Ampat), which has some of the highest
diversity of corals and coral reef fishes in the world (Allen & Erdmann 201 2, Veron et al. 201 5) (Figure 2).
• High levels of endemism: Indonesia has the highest number of endemic reef fishes in the Coral Triangle
(1 59 species) , with most endemic species occurring in the Lesser Sunda Islands, West Papua and North
Sulawesi (Allen & Erdmann 201 2)1 9.
____________________________1 8 E.g., the Codes of Conduct for diving or snorkeling with Mola mola in Nusa Penida MPA and manta rays in Raja Ampat Islands MPA.1 9 Most are found from Bali to Komodo, Flores to Alor, and in Cenderawasih Bay, the Raja Ampat Islands, Triton Bay and FakfakPeninsula, Tomini Bay and the Banggai Islands.
Special and unique natural
phenomena are important to protect
to maintain biodiversity, e.g.,
(clockwise from top left) areas with
very high biodiversity, manta cleaning
stations, marine lakes, and endemic
walking sharks. Images from Raja
Ampat Islands MPA (©
Awaludinnoer, TNC).
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
34
• Unique marine communities, i.e., marine lakes in Berau, East Kalimantan and Raja Ampat, West Papua
(Becking et al. 201 1 ) ;
• Habitats for charismatic, endangered, threatened or protected species (see above); or
• High productivity, e.g., persistent pelagic habitats – areas of upwell ing, fronts or eddies (Game et al. 2009)
– such as those in the Lesser Sunda Islands (Wilson et al. 201 1 ) .
These areas should be protected in NTZs or other zones that address key threats to their habitats and species,
e.g., by managing fishing gear or vessels in persistent pelagic habitats (Game et al. 2009).
Protect areas that are important at the national, international or global scale for conservation
or management offocal species.
Some areas are important to protect at the national, international or global scale in Indonesia because they
include:
• Areas with critical habitat important for maintaining populations of global ly endangered or threatened
species;
• Areas that are ecological ly and geographical ly important transnational ly; or
• Areas that have potential as world or regional natural heritage sites.
Indonesia has many critical areas that play important roles in maintaining populations of global ly endangered or
threatened species, l ike sea turtles and cetaceans (see Endangered, Threatened or Protected Species) . Some of these
areas are both national and international priorities for conservation to ensure the long-term survival of these
species. They include habitats l ike breeding areas, feeding areas and migratory corridors, which should be
protected in NTZs combined with other management approaches to address al l of the threats to these habitats
and species (see Protect critical areas or habitats for charismatic, endangered, threatened or protected species) .
Indonesia also shares populations of many other species with other countries, including fisheries species. For
example, Figure 8 shows how populations of a focal fisheries species in Indonesia appear to be connected to
Timor Leste, Malaysia and the Phil ippines through larval dispersal. Therefore, it wil l be important to protect
ecological ly important areas l ike spawning or nursery areas for maintaining these populations in each country.
Given their movement and larval dispersal patterns (see Incorporate Connectivity: Biotic Factors) , areas important
for maintaining transnational populations of coral reef and coastal pelagic species are l ikely to be geographical ly
located less than 1 0 km to tens, hundreds, or even thousands of kilometers from national boundaries, depending
on the species of interest.
This information can be used to design MPAs and MPA networks at the national scale in Indonesia, or
transboundary MPAs or MPA networks with adjacent countries such as Timor Leste, Malaysia or the Phil ippines.
For example, Beger et al. (201 5) , demonstrated how to use critical areas (grouper spawning aggregations and
important turtle habitats) , movement patterns of sea turtles, and larval dispersal of two coral reef species (a coral
trout and sea cucumber) across national boundaries to identify priority areas for MPAs in the Coral Triangle.
Areas that are, or have potential to be, world or regional natural heritage sites should also be protected in MPAs.
For example, most of Indonesia’s existing or tentative marine World Heritage Areas20 are already protected in
Komodo National Park, Bunaken National Park, Berau MPA (Derawan Islands) , Raja Ampat Islands MPA,
Wakatobi National Park and Taka Bonerate National Park. The exception is the Banda Islands, where only a few
islands are currently protected as MPAs, i.e., Banda Sea Marine Tourism Park and Ay-Rhun MPA. Indonesia also
has three coastal Wetlands of International Importance (Ramsar Sites)21 , which are already protected in the
Rambut Island Wildl ife Reserve, Sembilang National Park and Tanjung Puting National Park.
____________________________20 https://whc.unesco.org/en/statesparties/id21 https://www.ramsar.org/
35
Incorporate Connectivity:Abiotic Factors
Connectivity refers to l inkages between geographical ly separate areas through the movement of organic and
inorganic matter, larvae, juveniles and adults, which may occur through passive dispersal in currents, or active
dispersal and migration ( Jessen et al. 201 1 ) . Each of these abiotic and biotic components of connectivity should
be considered when designing MPAs and MPA networks.
Consider variations in oceanography, substrate and bathymetry that affect the spread of
biological and non-biological material.
Abiotic factors, including oceanography22, substrate and bathymetry, affect the spread of biological and non-
biological material in the sea (Wendt et al. 201 8). These abiotic factors play important roles in determining the
distribution and abundance of species, and the structure of biological communities (Game et al. 2009, Wendt et
al. 201 8).
In offshore pelagic environments, large-scale environmental dynamics23 drive the distribution and abundance of
primary producers and consumers (plankton), as well as secondary consumers such as fishes, seabirds, turtles,
jel l yfish, tuna and cetaceans (reviewed in Wendt et al. 201 8). Some pelagic species (sharks and other fishes) are
also associated with coastal habitats (Allen & Erdmann 201 2).
Deepwater oceanic habitats can be characterized by geomorphological and oceanographic features24 (reviewed in
Wendt et al. 201 8). The physical , biological and ecological characteristics of the deep ocean vary dramatical ly
with depth, especial l y with respect to l ight, temperature and pressure, across at least five major layers or vertical
zones, and with latitude and longitude (Wendt et al. 201 8). The coupling between surface and deep waters also
seems to be important, so primary productivity at the surface can influence the habitat and species that occur in
much deeper oceanic layers (Wendt et al. 201 8).
Unpubl. data, modified from Beger, et al. 201 3
Figure 8. A larval dispersal model shows how coral trout (Plectropomus leopardus) populations are shared among Indonesia and other
countries in the Coral Triangle. The arrows show the direction of larval dispersal, and the numbers indicate the relative number of
larvae moving between the countries.
____________________________22 The physical and biological properties of the ocean, i.e., currents, tides, temperature, sal inity and acidity.23 Such as patterns of El Niño-Southern Oscil lation (ENSO) and variations in sea surface temperature, thermocline characteristics,primary productivity, photosynthetical ly available radiation (a measure of l ight) and nitrate concentrations.24 Such as seamounts, rises, shelf breaks, canyons, ridges and trenches (Harris et al. 201 4), currents, fronts, eddies and upwell ing.
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA36
Where there is l ittle or no biological information regarding the distribution and abundance of marine habitats and
species, unique combinations of these abiotic factors can be used as surrogates or proxies for marine biodiversity
in MPA network design (Game et al. 2009). One approach is to use abiotic and/or biotic factors to classify marine
environments into bioregions25, which can provide spatial l y explicit surrogates of biodiversity for marine
conservation and management (e.g., see Wendt et al. 201 8). These bioregions can then be used to apply the
principles of habitat representation and replication in MPA network design.
In deepwater environments more than 200m deep where there is l ittle or no biological information available,
abiotic factors have been used to classify marine bioregions for conservation planning. For example:
• Bathymetric and oceanographic features were used to identify ‘deep-sea yet nearshore habitats’ to design
an MPA network for the Lesser Sunda Ecoregion (Wilson et al. 201 1 ) .
• Geomorphology and depth classes (200m to more than 6,000m deep) were used to classify deepwater
benthic habitats for the National Marine Conservation Assessment for Papua New Guinea (Green et al.
201 4b).
• Environmental variables, including depth, sal inity, sea surface temperature, pH, chlorophyl l-a
concentrations, and distance from land, were used to classify deepwater bioregions to support marine
spatial planning in the Southwest Pacific (Wendt et al. 201 8).
In shal low-water habitats less than 200m deep, marine classification schemes are often based on specific
taxonomic groups occurring in the region, including coral reef fishes or scleractinian corals (e.g., see Kulbicki et al .
201 3, Veron et al. 201 5) . However, these habitats also vary with changing environmental parameters and coastal
morphology (Wendt et al. 201 8). Therefore, where there is l ittle or no biological information available, shal low-
water habitats have also been classified into bioregions using a mix of species distributions, environmental
parameters, models and expert opinion (e.g., see Beger & Possingham 2008, DeVantier et al. 2009, Kerrigan et al.
201 0, Wendt et al. 201 8). Such bioregions have been used to apply the principles of habitat representation and
replication in MPA network design in, for instance, Austral ia and Papua New Guinea (Fernandes et al. 2005,
Green et al. 2009).
____________________________25 Areas with relatively similar assemblages of biological and physical characteristics (Spalding et al. 2007).
From Gordon 2005
August(fromWyrtki 1 961 )
February(fromWyrtki 1 961 )
Figure 9. Major ocean currents in Indonesia include the Indonesia
Throughflow and the Halmahera and Mindanao Eddies (above). Surface
currents in eastern Indonesia reverse direction twice a year (right) .
37
Abiotic factors vary extensively throughout Indonesia (ADB 201 4), and a brief overview of broad-scale patterns
of bathymetry and oceanography is provided in Appendix 2 . This information may be useful for designing large-
scale networks of MPAs at the national, regional or provincial scale. However, local variations in these broad-scale
patterns should be considered when designing MPAs at finer spatial scales. An example of how a habitat
classification for coral reefs was developed and used to design an MPA in Indonesia is provided in Appendix 1 .
Ocean currents (Figure 9) can also play an important role in influencing larval dispersal patterns, and should be
considered when determining the location, size and spacing of NTZs (see Figure 9, Consider Larval Dispersal) .
Incorporate Connectivity: Biotic Factors
The demographic l inking of local populations through the dispersal of individuals as adults, juveniles or larvae is a
key ecological factor to consider in designing networks of NTZs, because it has important implications for the
persistence of metapopulations and their recovery from disturbance (reviewed in Green et al. 201 5) .
Most benthic marine species have a bipartite l ife cycle where the larvae are pelagic before settl ing out of the
plankton and spending the rest of their l ives more closely associated with the seabed (Green et al. 201 5) . For
example, adult coral trout (Plectropomus leopardus) l ive on coral reefs (Figure 1 0). When they reproduce,
hundreds of thousands to mil l ions of eggs are released into the water column (Goeden 1 978), where they are
fertil ized and become larvae. The larvae spend about 26 days in the plankton (Wil l iamson et al. 201 6), before
settl ing onto a reef where they wil l general ly stay for the rest of their l ives. However, the vast majority of larvae
die during their planktonic larvae stage, many eaten by other animals.
Species vary greatly in how far they move during each l ife history stage, although larvae of most coral reef species
tend to move longer distances (tens to hundreds of kilometers) than adults and juveniles, which tend to be more
sedentary (reviewed in Green et al. 201 5) . Exceptions include species where adults and juveniles exhibit large-
Modified from G.Almany,ARC CoralCOE
Figure 1 0. Most coral reef fishes (such as the coral trout P. leopardus) have two life history phases. Adults and juveniles are benthic and
l ive on coral reefs, while larvae are pelagic and l ive in the plankton.
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA38
scale ontogenetic habitat shifts26 or spawning migrations of tens to thousands of kilometers, and pelagic species
that tend to move hundreds to thousands of kilometers.
When adults and juveniles leave an NTZ, they become vulnerable to fishing pressure. In contrast, larvae leaving
an NTZ can general ly disperse without elevated risk because of their small size and l imited exposure to the
fishery (Gaines et al. 201 0). For NTZs to protect biodiversity and enhance populations of species in heavily fished
areas, they must be able to sustain adults and juveniles of focal species (particularly fisheries species) within their
boundaries, and be spaced so they can function as mutual ly replenishing networks while providing recruitment
subsidies to fished areas (Green et al. 201 5) .
Therefore, movement patterns of focal species at each stage of their l ife history is an important factor to
consider when designing networks of NTZs. Where movement patterns of focal species are known, this
information can be used to define size, shape and location of NTZs to maximize benefits to both fisheries and
conservation (see reviews in Green et al. 201 4a, 201 5), as described below.
Consider Movement ofAdults and Juveniles
Ensure NTZs are large enough to sustain adults and juveniles offocal fisheries species within
their boundaries.
For NTZs to protect biodiversity and contribute to fisheries enhancement outside their boundaries, they must be
large enough to sustain fisheries species within their boundaries during their adult and juvenile l ife history phases
(reviewed in Green et al. 201 4a, 201 5) . This al lows for the maintenance of spawning stock, by al lowing individuals
in NTZs to grow to maturity, increase in biomass and reproductive potential , and contribute more to stock
recruitment and regeneration (Green et al. 201 4a, 201 5) (Figure 1 1 ) .
The size of NTZs should therefore be determined by the rate of export of adults and juveniles (‘spil lover') to
fished areas (reviewed in Green et al. 201 4a, 201 5) . While spil lover directly benefits adjacent fisheries, if the NTZ
is too small , excess spil lover may reduce the density of the protected biomass within the reserve. Where
movement patterns of focal species are known, they can be used to identify the minimum recommended sizes of
NTZs.
Since different species move different distances, different sizes of NTZs wil l be needed depending on the focal
species for protection (Green et al. 201 4a). Green et al. (201 5) recommend that NTZs should be more than
twice the size of the home range of focal species for protection (Figure 1 2), and that these minimum size
recommendations be applied to the specific habitats that the focal species use in al l directions rather than the
overal l size of the NTZ, which may include other habitats. For example, for coral reef species, minimum size
recommendations apply to the specific coral reef habitats that they use (e.g., for their home ranges) , rather than
other habitat types (e.g., seagrass beds) .
To facil itate using this approach, Green et al. (201 5) provide a summary of empirical measurements of movement
patterns of coral reef and coastal pelagic fish species, including 29 famil ies and 1 43 species that occur in Indonesia,
which field practitioners can use to determine the size of NTZs based on the movement patterns of their focal
species (Figure 1 2).
Some species, including some groupers and surgeonfishes, move less than 1 00m to at most 500m, and thus can
be protected in small NTZs less than 0.5 to 1 km across. Some move less than 1 km to 5 km and can be
protected within NTZs 2-1 0 km across; these include most parrotfishes, goatfishes and surgeonfishes. Others –
the bumphead parrotfish and Napoleon wrasse, for example – may move up to 1 0 km a day, and thus require
large NTZs 20 km across. Stil l others move tens to hundreds of kilometers and require much larger NTZs tens to
hundreds of kilometers across, such as some groupers, emperors, snappers, jacks and sharks (e.g., see Rigby et al.
201 9).
____________________________26 Where juveniles use different habitats than adults.
39
Figure 1 1 . Larger individuals are more important for long-term health of populations than smaller ones, because they
produce a lot more offspring.
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
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40
Since some pelagic species (e.g., tuna and oceanic sharks) can move over thousands of kilometers, NTZs are
l ikely to have l imited util ity for these species unless they are thousands of kilometers across (Green et al. 201 5) .
Species that move over larger distances than the size of an NTZ wil l only be afforded partial protection, although
NTZs can provide benefits for these species if they protect locations where individuals aggregate and become
vulnerable to fishing mortal ity, e.g., spawning aggregations (see Protect Critical, Special and Unique Areas) . Thus,
NTZs wil l need to be integrated with other fisheries management tools to manage wide-ranging species that
cannot be ful ly protected within their boundaries (Green et al. 201 4a, 201 5, Rigby et al. 201 9).
Ideal ly, this approach to using the movement of focal species to determine the size of NTZs should be combined
with knowledge of key factors that influence their movement patterns27, and information on how individuals are
distributed, to determine what NTZs of different sizes are l ikely to be effective (Green et al. 201 5) . For example,
Krueck et al. (201 8) developed a simple model using home ranges, densities and schooling behavior of 66 coral
reef fishes (44 of which occur in Indonesia28) to quantify the effectiveness of NTZs of different sizes. They
predicted that NTZs 1 -2 km wide should partial l y protect29 56% of these species, while NTZs 2-1 0 km wide
should partial l y protect most species, including fisheries species. However, ful l protection of most species may
require NTZs 1 00 km wide.
Krueck et al (201 8) found that the size of NTZs required to protect fish species could be predicted using their
home range sizes and densities, or maximum lengths. They have provided an online tool that managers can use to
optimize the size of NTZs to support fisheries and conservation in Indonesia, even if no data on the movement
and density of resident species is available. This tool can be accessed at http://ccres.net/resources/ccres-
tool/mpa-size-optimization-tool.
Movement patterns of adults and juveniles can also be used to determine the size of NTZs required to protect
commercial l y important invertebrates (Figure 1 2). For example, the fol lowing invertebrates can be protected in
small NTZs less than 1 km across, provided the NTZs include the relevant habitats:
• Giant clams, which attach to the substratum and do not move.
• Sea cucumbers, including some that are sedentary to almost immobile and others that, although more
mobile, move less than 5m to hundreds of meters over several years (e.g., see Conand 1 991 , Purcel l &
Kirby 2006, Purcel l et al . 201 6).
• Trochus, which do not appear to move very far on a daily basis (less than 1 m up to 24m per day), but
move from shal low to deeper reef habitats as they grow (reviewed in Capinpin 201 8) (Figure 6).
In contrast, while spiny lobsters often have small home ranges – e.g., less than 500m wide for Panulirus versicolor
(Frisch 2007) – some like P. ornatus undertake long-distance breeding migrations of hundreds of kilometers
(reviewed in Dennis et al. 2004). Therefore, while small NTZs less than 1 km across may protect the home
ranges of these species, it may not be possible to establ ish NTZs large enough to encompass al l of these species’
movement patterns, and they may need to be protected by NTZs combined with other management tools, such
as seasonal closures during spawning times.
Ensure NTZs are large enough to contain all habitats used by focal species throughout their
life history; or establish networks ofNTZs close enough to allow for movements offocal
species among protected habitats.
Some species use different habitats at different times throughout their l ives, such as for home ranges, nursery and
spawning areas (Green et al. 201 5) (Figure 6). The location of NTZs should therefore be informed by the
distribution of key habitats used by focal species, and the movement patterns of adults and juveniles among such
____________________________27 Such as fish size, sex, behavior and density, habitat characteristics, season, tide and time of day.28 Including 36 fisheries species (8 surgeon and unicornfishes, 3 jacks, 3 sharks, 2 wrasses, 1 emperor, 2 snappers, 3 goatfishes, 6parrotfishes, 5 groupers, 2 rabbitfishes and a barracuda).29 Where 50-95% of individuals are protected.
41
Figu
re12.Differe
ntsp
ecieshav
ehomerange
sofdiffere
ntsize
s.
SomeSp
eciesNeedBiggerAreas
Than
Others
asAdults
toEat,Livean
dRepro
duce
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA42
habitats (e.g., by ontogenetic habitat shifts or spawning migrations) to include al l of the habitats required by these
species to complete their l ife cycles.
For example, some coral reef fish species (e.g., bumphead parrotfish and mangrove red snapper) undergo
ontogenetic shifts where they use different habitats (e.g., mangroves and seagrasses) as nursery grounds before
moving to their adult habitat on corals reefs (reviewed in Green et al. 201 5) . Trochus do so as well , moving from
nursery areas on intertidal reef flats to deeper water habitats l ike reef crests, pools or terraces as they grow
(reviewed in Capinpin 201 8). (Figure 6)
To provide adequate protection for species that undergo these ontogenetic habitat shifts, each habitat used by
juveniles and adults should be protected within the same NTZs. I f this is not possible, e.g., for species that
undergo long distance ontogenetic movements that cannot be accommodated within individual NTZs, the
different habitats that focal species use at different times can be protected in different NTZs, provided that they
are spaced to al low for movements of focal species among protected habitats (Green et al. 201 5) .
For species that undertake long-distance spawning migrations, including some economical ly important grouper
and snapper species in Indonesia, it is important to protect their spawning aggregation sites, migratory corridors
and staging areas (see Protect Critical, Special and Unique Areas) , in addition to protecting the home range of a
sufficiently large proportion of their population by protecting at least 20% of their habitat (see Represent Habitats)
(reviewed in Green et al. 201 5) . I f the temporal and spatial locations of these areas are known, they should be
protected in permanent or seasonal NTZs (Green et al. 201 5) . I f the locations are not known, or if the focal
species’ scale of movement is too large to include in individual NTZs (e.g., for spawning migrations of tens or
hundreds of kilometers) , other management actions wil l be required, including seasonal closures during spawning
times (see review in Green et al. 201 5) .
Include whole ecological units in NTZs. Ifnot, choose larger rather than smaller areas.
Where possible, whole ecological units l ike coral reefs or seamounts should be included in NTZs (Figure 1 3) . This
helps maintain the integrity of NTZs, because many species are l ikely to stay within their preferred habitat type
(Green et al. 201 4a, 201 7). Where whole ecological units cannot be included, larger rather than smaller NTZs
should be used to accommodate the movement patterns of more species (Green et al. 201 5) (Figure 1 2).
Use compact shapes for NTZs, except when protecting naturally elongated habitats.
In places where NTZ boundaries are heavily fished, compact shapes l ike squares should be used for NTZs
because they minimize edge effects by l imiting the spil lover of adults and juveniles more than other shapes, l ike
long thin rectangles (reviewed in McLeod et al. 2009, Green et al. 201 4a, 201 7). This helps maintain the ecological
integrity of NTZs, and therefore the sustainabil ity of their contribution to fisheries production, biodiversity
protection and ecosystem resil ience. An exception may be when protecting natural ly elongated habitats such as
long narrow reefs, where elongated shapes may be more appropriate (Green et al. 201 7, Munguia-Vega et al.
201 8). (Figure 1 3)
Consider Larval Dispersal
Most benthic marine species have a planktonic larval phase (Figure 1 0). Depending on the environment and l ife-
history characteristics of the species, this larval phase can last from minutes to months, with larvae moving from
less than a meter to thousands of kilometers (Treml et al. 201 2).
Larval dispersal is an important component of population connectivity that helps maintain fish stocks and
facil itates recovery of ecosystems and species after disturbance (Green et al. 201 5, Krueck et al. 201 7b). I t is an
important factor to consider when designing networks of NTZs. However, there are several factors that should
determine when and how to take larval connectivity into account, including how populations persist, fishing
pressure and management effectiveness, and the larval dispersal patterns of focal species.
For populations to persist through time, the number of larvae reaching them must result in recruitment that
equals or exceeds mortal ity (reviewed in Green et al. 201 4a, 201 5) . This is known as sustaining dispersal, which
takes place over an ecological timescale. Lower levels of dispersal may play an important role in maintaining
43
Figure 1 3. Where possible, whole ecological units (e.g., reefs) should be included in NTZs (top), and the
NTZs should be compact shapes (e.g., squares) (middle) , except when protecting natural ly elongated
habitats (e.g., fringing reefs) (bottom). All images are of NTZs in Misool MPA, Raja Ampat Islands.
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
44
genetic (evolutionary) connectivity or helping populations recover after disturbances (seeding dispersal) , but they
are not sufficient to sustain populations over time. Therefore, when designing networks of NTZs, it is important
to consider larval dispersal patterns that occur on an ecological timescale.
Population persistence of focal species in NTZs depends on recruitment to local populations from larval
production either within or outside NTZs (reviewed in Green et al. 201 5, 201 7, Munguia-Vega et al. 201 8).
Where fishing pressure is low or the fishery is well managed (at or below Maximum Sustainable Yield) , larval input
from fished areas can be important in ensuring the persistence of focal species, so it may be less important to
take larval dispersal patterns into account in MPA Network design.
However, in areas where fishing pressure is high and other fisheries management tools are ineffective, most of the
larvae are l ikely to come from within well-designed and managed NTZs, so it wil l be important to consider larval
dispersal patterns when designing networks of NTZs. In this situation, population persistence of focal species in
NTZs wil l depend upon recruitment to local populations in one of two ways (reviewed in Green et al. 201 5,
201 7, Munguia-Vega et al. 201 8):
• Self-persistence, where populations in individual NTZs are self-sustaining through larval retention (where
over 1 0-20% of larvae return to their natal source). This is more likely where NTZs are larger than the
mean larval dispersal distance of focal species. However, even small NTZs can provide recruitment
benefits both within and close to their boundaries where self-recruitment30 is common.
• Network persistence, where populations of focal species are sustained within a mutual ly replenishing
network of NTZs that covers at least 20% of their habitat (see Represent Habitats) . In this situation, each
NTZ contributes to the growth rate of the metapopulation, and larval connectivity among NTZs al lows
the population distributed across the entire network to be sustained even if individual NTZs are too small
to be self-sustaining.
In Indonesia, the biophysical goals for MPAs and MPA Networks include enhancing coastal fisheries and protecting
biodiversity (see Introduction) . Therefore, where fishing pressure is high and other fisheries management tools are
not effective, networks of NTZs should be designed to (reviewed in Green et al. 201 7):
• Ensure enough larvae remain in the network so populations of focal species persist; and
• Maximize the movement of larvae to fishing grounds to benefit coastal fisheries.
However, the configuration of a network of NTZs that maximizes the benefits for one of these objectives may
not be the best design to maximize the other. So, both objectives should be considered in the design process
(e.g., see Krueck et al. 201 7b).
Patterns of both population persistence and larval export from NTZs wil l depend on the connectivity patterns of
focal species in the region of interest (Green et al. 201 7). Where possible, comprehensive and detailed spatial
models of population persistence31 of focal species should be used to determine the optimal configuration for
networks of NTZs that wil l produce both conservation and fisheries benefits (e.g., see Green et al. 201 7).
Unfortunately, coral reef managers seldom have access to this type of information in Indonesia, although some
studies do provide a broad-scale understanding of geographic patterns of larval connectivity in the Indo-Pacific
region based on biophysical models, historical processes and population genetics (reviewed in Treml. 201 2). For
example, some coral reef studies identify dominant dispersal corridors along major ocean currents in Indonesia
(e.g., the Indonesia Throughflow, Figure 9), and potential dispersal corridors between Indonesia, Austral ia, Timor
Leste and other countries in Southeast Asia (Figure 8). They also identify potential dispersal barriers between
reefs in Papua (Indonesia) and Papua New Guinea, possibly due to the Halmahera and/or Mindanao Eddies
(Figure 9).
____________________________30 Where recruits are the offspring of parents in the same population.31 That take al l relevant factors into account including larval dispersal and fishing pressure.
45
One broad-scale biophysical model of larval dispersal of coral reef species (Treml et al. 201 2) has been adapted
and used to inform MPA network design for both conservation and fisheries management at regional or
ecoregional scales in the Coral Triangle and Indonesia. Beger et al. (201 5) demonstrated how to use larval
dispersal of a coral trout (Figure 8) and a sea cucumber to identify priority areas for establ ishing MPAs across the
six countries of the Coral Triangle. Krueck et al. (201 7b) used the same coral trout model to demonstrate the
importance of taking larval dispersal into account when designing a network of MPAs for the Sunda-Banda
Seascape in Indonesia, and they showed that MPA networks are l ikely to be more effective at preventing
metapopulation col lapse and ensuring fisheries recovery if they are located in areas that are self-replenishing,
interconnected, and/or protect important larval sources.
However, the spatial and temporal resolution (and accuracy) of these biophysical models needs to be improved
to provide finer-scale estimates of larval connectivity (Treml et al. 201 2) before they can be used to inform the
design of networks of NTZs at smaller (i.e., provincial or local) spatial scales. For this reason, it wil l be important
to consider other information regarding larval sources and dispersal patterns of focal species to design networks
of NTZs in Indonesia.
To date, there have been no empirical measurements of larval dispersal of focal species in Indonesia, but there
have been studies of several coral reef fish species that occur in the country (e.g., see Figure 1 4). These studies
show that larval dispersal patterns vary with many factors, including planktonic larval duration, larval behavior, and
the direction and strength of ocean currents (reviewed in Green et al. 201 5) . Many of these studies also show
how the magnitude of dispersal (i.e., the quantity of larvae reaching a particular site) decl ines with distance from
the source population. As the distance between NTZs increases, the quantity of larvae they exchange (larval
connectivity) decreases, resulting in reduced levels of connectivity between widely separated populations.
Empirical studies conducted to date show that larval dispersal distances of coral reef fishes vary widely among
and within species (reviewed in Green et al. 201 5) . Some larvae move long distances of tens to hundreds of
kilometers, while many stay close to home, moving only tens to hundreds of meters. For species that occur in
Indonesia, mean larval dispersal distances range from about 5 km to 1 9 km for anemonefishes, about 7 km for a
snapper, about 36 km for a butterflyfish, and from under 9 km to about 1 90 km for three grouper species (Figure
1 4).
At the same time, self-recruitment is common, even to small areas of habitat with diameters of 0.5–0.9 km, and
can occur consistently through time, although the magnitude may vary (reviewed in Green et al. 201 5) . Self-
recruitment of the above species ranges from 2-65% for anemonefishes, 1 4-1 6% for a snapper, 5-72% for a
butterflyfish and from 0-82% km for three grouper species (Figure 1 4).
This information can be used to inform MPA Network design in Indonesia as described below.
Establish: NTZs large enough to be self-sustaining for focal species, or networks ofNTZs
close enough to be connected by larval dispersal.
To ensure the persistence of populations of focal species in NTZs and contribute to replenishing populations in
heavily fished areas (see above), a variety of sizes and spacing distances may be required for NTZs to
accommodate larval dispersal distances of a variety of species (see reviews in Green et al. 201 5, Munguia-Vega et
al. 201 8). NTZs should be either:
• Large enough (i.e., larger than the mean larval dispersal distance of focal species) for their populations to
be self-persistent. Based on the empirical data col lected so far (e.g., see Figure 1 4), NTZs may need to
range from under 1 0 km to hundreds of kilometers in size for populations of coral reef species to self-
persist, depending on the focal species for protection; or
• Close enough (based on the mean larval dispersal distance of focal species) to al low for strong larval
connections among NTZs to facil itate network persistence. Using this approach, NTZs may need to be
spaced from about 5 km to tens or hundreds of kilometers apart, depending on the focal species for
protection (Figure 1 4).
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
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46
Another important consideration regarding recommendations for spacing between NTZs is the relationship
between the size of NTZs and the magnitude of larval export (reviewed in Green et al. 201 5) . Large NTZs
produce more larvae than small NTZs because they protect larger populations and more breeding adults. The
number of larvae reaching a site at a given distance decl ines with the size of the source population, so the smaller
the NTZs are, the closer they should be.
Protect spatially isolated areas in NTZs.
Another consideration is that spatial l y isolated areas l ike remote atol ls are largely self-replenishing and may have
high conservation value where they harbor endemic species and/or unique assemblages or populations (reviewed
in Green et al. 201 5) . Low connectivity with other areas makes the assemblages, species and populations in these
areas less resil ient to disturbance, so protecting a large fraction of their area in NTZs may be necessary to ensure
population persistence.
Populations or locations separated from their nearest neighbor by more than twice the standard deviation of
larval dispersal may be largely rel iant on self-recruitment for replenishment (reviewed in Green et al. 201 5) . In this
context and given the larval dispersal distances measured for coral reef fishes to date (Figure 1 4), a population or
area tens or hundreds of kilometers from its nearest neighbor should be considered isolated and afforded greater
protection, depending on the focal species for protection.
Protect larval sources in permanent or seasonal NTZs or by using fisheries closures during
spawning times.
Another consideration when placing NTZs is maximizing their potential to provide a source of larvae to other
NTZs and fished areas (reviewed in Green et al. 201 5) . A common recommendation is to protect larval 'source'
populations, which can consistently provide larvae to other populations. In practice, identifying source populations
is difficult and typical ly rel ies on fine-scale oceanographic modeling. Furthermore, larval dispersal studies indicate
that the del ivery of larvae from one site to another is l ikely to vary over time, such that a location might act as a
source in one year, but not another.
Consequently, NTZs should be located based on other considerations, i.e., to protect key habitats and fish
movements among these (see Consider Movement of Adults and Juveniles: Green et al. 201 5) . However, where
consistent and important larval sources for focal species are known (e.g., fish spawning aggregations) , they should
be protected in permanent or seasonal NTZs, or by fisheries closures during spawning times (see Protect Critical,
Special and Unique Areas) .
Locate more NTZs upstream relative to fished areas if there is a strong, consistent,
unidirectional current.
Ocean currents are l ikely to influence larval dispersal patterns to some degree (Green et al. 201 5) . In the absence
of detailed larval dispersal studies for focal species, more NTZs should be located upstream relative to fished
areas if there is a strong, consistent, unidirectional current (McLeod et al. 2009, Green et al. 201 4a, 201 5) .
However, it is important to note that, in some areas in Indonesia, ocean currents change direction in different
seasons (Wyrtki, 1 961 ) (Figure 9). I f focal species spawn in different seasons, their larvae may move in different
directions (e.g., see Munguia-Vega et al. 201 8). For example, prel iminary information indicates that peak spawning
seasons for some large, vulnerable fisheries species in Indonesia may be from October to November and May to
June (see Protect Critical, Special and Unique Areas) . Therefore, more NTZs should be located upstream of the
direction of the predominant current flow during the spawning season of the focal species (Munguia-Vega et al.
201 8).
47
Figu
re14.Differentco
ralreeffish
specieshav
edifferentlarval
dispersal
distance
s.
Dataso
urces:
review
byGreenetal.(2015),modifiedwithnew
inform
ationfrom
Williamso
netal.(2016),Abesamisetal.(2017)an
dPinskyetal.(2017)].
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
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AllowTime for Recovery
Establish NTZs for the long term (more than 20 up to 40 years) , preferably permanently.
Use short-term (less than 5 years) or periodically harvested NTZs in addition to, rather than
instead of, long-term or permanent NTZs.
Focal species differ in their vulnerabil ity to fishing pressure and in their recovery rates in NTZs (reviewed in
Abesamis et al. 201 4). Many l ife history characteristics affect the recovery times of populations of focal species in
NTZs, including maximum body size, individual growth rate, longevity, age or length at maturity, rate of natural
mortal ity, and trophic level. Populations of larger-bodied carnivorous fishes (e.g., groupers, snappers, emperors
and jacks) are more susceptible to overfishing and tend to take longer to recover than smaller-bodied species
lower in the food web (i.e., planktivores and herbivores) . The rate of population recovery also depends on other
factors, including species composition, demographic and habitat characteristics, interspecific interactions, the size
of the NTZ, fishing intensity and the size of the remaining population.
Recovery can be achieved in several ways depending on management objectives (reviewed in Munguia-Vega et al.
201 8). For example, recovery of fish populations for biodiversity protection may be achieved when fish
populations have reached their ful l carrying capacity (K), or when populations have recovered to 90% of their
unfished reef fish biomass. Alternatively, recovery of fish populations for fisheries management could mean that
they have reached a level where they can sustain fishing pressure32. Another approach is to assess recovery in
terms of when populations have recuperated enough to maintain their functional role in the ecosystem.
How long do NTZs need to be in place to al low for the recovery of populations of focal fisheries species in
Indonesia? Several empirical studies of focal fisheries species elsewhere in the region have shown that fish species
in lower trophic groups that have smaller maximum sizes, faster growth rates, shorter l ifespans, and faster
maturation rates are l ikely to recover more quickly than species in higher trophic groups that have larger
maximum sizes, slower growth rates, longer l ifespans, and slower maturation rates (see review in Abesamis et al.
201 4) (Figure 1 5) .
For example, in heavily fished areas in the Phil ippines, populations of planktivorous fishes l ike fusil iers and some
herbivores l ike parrotfishes recovered in less than 5-1 0 years when protected from overfishing in NTZs, while
populations of predators (e.g., groupers) took much longer to recover (20-40 years) . Faster recovery rates of
reef fishes have been recorded in NTZs where fishing pressure is lower (e.g., Great Barrier Reef and Papua New
Guinea), and longer recovery rates have been recorded in heavily fished areas (e.g., Kenya). Several studies have
also provided insights into recovery rates of commercial ly important macroinvertebrates in the Indo-Pacific
region. For example, trochus populations appear to take 1 0 years or more to recover when protected in NTZs
or to reach commercial l y viable levels when introduced to new areas (reviewed in Capinpin 201 8).
Therefore, NTZs should be establ ished for the long term (more than 20 up to 40 years) , preferably permanently
(see reviews in Abesamis et al. 201 4, Green et al. 201 4a). This wil l al low the ful l range of species and habitats to
recover, and maintain, ecosystem health and associated fishery benefits. While benefits can be real ized for some
species in the short term (less than 5 years) especial l y in areas with low fishing pressure, long-term protection
al lows al l species the opportunity to grow to maturity, increase in biomass and contribute more, and more
robust, eggs and larvae for population replenishment. Long-term protection wil l be particularly important to al low
longer-l ived species l ike sharks and other large predators the opportunity to grow to maturity, increase in
biomass and contribute more to stock recruitment and regeneration. Permanent protection and strict
enforcement of NTZs wil l also avoid considerable delays in recovery times and ensure that the benefits for
fisheries productivity and biodiversity protection are maintained in the long term.
____________________________32 For example, where ~35% of unfished stock levels of reproductive biomass is protected to ensure adequate replacement of stocksfor a range of species.
49
In some areas in Indonesia, short-term or periodical ly harvested NTZs are a common form of traditional marine
resource management. These NTZs can help address particular fisheries management needs where stocks need
to be protected or restored. For example, the sasi system in the Moluccas and West Papua often involves
temporal closures of specific areas or fisheries resources (e.g., sea cucumbers or trochus) for periods ranging
from 6 months to 5 years (Mangubhai et al . 201 2).
While these short-term or periodic NTZs may provide some benefits in terms of increased biomass of fisheries
species and improved ecosystem health, the benefits can be quickly lost when the NTZs revert to open access,
unless the fisheries are managed careful ly to ensure that the amount harvested is less than the amount built up
during protection ( Jupiter et al. 201 2). Therefore, short-term or periodic NTZs are usual ly less useful for
conserving biodiversity or building resil ience where the aim is to build and maintain healthy, natural communities
and sustain ecosystem services ( Jupiter et al. 201 2). I f shorter-term NTZs are establ ished, they should be used in
addition to, rather than instead of, permanent NTZs. They may include seasonal closures to protect critical areas
at critical times, e.g., fish spawning aggregation sites or nursery areas (see Protect Critical, Special and Unique
Areas) , or temporary closures to restore habitats or populations of focal fisheries species (see Appendix 3) .
Areas with other fisheries restrictions (e.g., l imitations on gear, catch or access) wil l also be more effective if they
are in place over the long term, and seasonal and shorter-term closures wil l del iver more sustained benefits if
they are implemented every year.
Figure 1 5. Some species are more vulnerable to fishing pressure and take longer to recover when protected in NTZs.
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
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Protect HealthyAreas and Avoid Local Threats
Protect areas where habitats and populations offocal species are in good condition with low
levels of threat.
Avoid areas where habitats and populations offocal species are in poor condition due to
local threats. If this is not possible, reduce threats, facilitate natural recovery, and consider the
costs and benefits of rehabilitating habitats and species.
Tropical marine ecosystems have been seriously degraded by local anthropogenic (human) threats in many
locations in Indonesia, particularly by unsustainable marine resource use (e.g., overfishing, tourism), destructive
activities (e.g., destructive fishing) , coastal development, land-based runoff, and pollution (see Status and Threats) .
These threats decrease ecosystem health and productivity, adversely affecting many species and severely
undermining the long-term sustainabil ity of marine resources and the ecosystem services they provide (Cesar
1 996, Cesar et al. 2003). They can also decrease ecosystem resil ience to other stressors l ike cl imate change
(Roberts et al. 201 7), and reduce the ecological benefits of NTZs (Gil l et al . 201 7). Therefore, it is important to
minimize or avoid these threats in NTZs and prioritize areas for protection that are more likely to contribute to
ecosystem health, fisheries productivity and resil ience to cl imate change (Green et al. 201 4a).
Local threats that originate within their boundaries, such as overfishing, destructive fishing and unsustainable
tourism, can be managed within MPAs, although effective management remains one of the greatest chal lenges
facing marine conservation and management in Indonesia and elsewhere in the Coral Triangle (White et al. 201 4).
Other threats that originate from beyond their boundaries (e.g., land-based runoff of sediments and nutrients
from poor land use practices associated with deforestation, agriculture, mining, and urban and coastal
development) must be addressed by integrating MPAs within broader coastal management frameworks (see
Integrating MPAs within Broader Management Frameworks) .
To optimize protection of areas l ikely to contribute more to biodiversity conservation, fisheries management and
cl imate change adaptation in Indonesia (Green et al. 201 4a), observe the fol lowing guidel ines where possible:
• Place NTZs in areas that have not been, or are less l ikely to be, impacted by local threats, where habitats
and populations of focal species are in good condition (Figure 1 6). This may include areas where local
threats can be managed effectively, and areas within or adjacent to other effectively managed marine or
terrestrial areas.
• Avoid placing NTZs where ecosystems have been, or are l ikely to be, degraded by local threats that cannot
be managed effectively, such as in areas where there is high human population density, coastal
development, land-based run-off, pol lution, and shipping, mining, oil and gas industries (Figure 1 6).
Critical , special or unique areas facing high levels of threat, e.g., in estuaries with unnatural ly high levels of
sediments and nutrients from poor land use practices, may stil l need to be protected in NTZs, where the aim
should be to:
• Reduce the threats as much as possible;
• Facil itate natural recovery, such as by protecting larval sources (see Consider Larval Dispersal) and species
l ike herbivores that play important functional roles in ecosystem resil ience (see Adapt to Changes in Climate
and Ocean Chemistry) ; and
• Consider the costs and benefits of rehabil itating habitats and species (see Appendix 3) .
51
Figure 1 6. Healthy marine ecosystems provide abundant resources for people (top). Unhealthy ecosystems, damaged by local threats,
are unable to provide as many resources for people (bottom).
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
52
Adapt to Changes in Climate and Ocean Chemistry
Changes in cl imate and ocean chemistry represent a serious and increasing threat to marine ecosystems in
Indonesia (reviewed in Hoegh-Guldberg et al. 2009, ADB 201 4, Roberts et al. 201 7). These include changes in:
• Sea surface temperatures causing mass coral bleaching;
• Sea levels increasing the frequency of erosion and inundation of coastal habitats l ike mangroves and turtle
nesting areas, some of which may disappear as sea levels rise;
• Ocean chemistry due to increased carbon dioxide levels (ocean acidification) that may inhibit the
formation of skeletons of calcifying organisms (corals, mollusks, echinoderms, crustaceans, etc.) ;
• Tropical storm and rainfal l patterns that may lead to longer and more intense floods and droughts;
• Oceanography that may lead to decreased oxygen availabil ity and productivity, including decl ines in
fisheries productivity; and
• Species distribution, which may lead to a decl ine in species diversity.
These changes wil l also increase the vulnerabil ity of coastal communities because of the loss of coastal land,
inundation of freshwater supplies, and reductions in coastal protection, food resources and l ivel ihoods
(reviewed in Hoegh-Guldberg et al. 2009). In addition, stresses arising from changes in cl imate and ocean
chemistry wil l amplify the impacts of local stresses, leading to an accelerated deterioration of coastal
ecosystems (Hoegh-Guldberg et al. 2009). For example, coral reefs have already experienced at least two mass
coral bleaching and mortal ity events in Indonesia33, and these events are predicted to increase in frequency and
severity in the future. Consequently, Burke et al. (201 2) reported that the influence of thermal stress and coral
bleaching increases the area of coral reefs at high or very high threat in Indonesia from nearly 35% (from local
threats alone) to more than 45% (see Status and Threats, Habitats) .
Cl imate change must be mitigated through direct action to reduce carbon emissions to ensure the persistence
of coral reefs and the ecosystem services they provide (Hoegh-Guldberg et al. 2009, Roberts et al. 201 7, Bruno
et al. 201 9). I t is also important to protect coastal wetlands (e.g., mangroves and seagrass beds) that play critical
roles in carbon sequestration and storage (Roberts et al. 201 7).
NTZs cannot halt, change or stop many of the threats associated with cl imate change (Roberts et al. 201 7).
However, they can be powerful tools to help ameliorate some of the problems resulting from climate change,
slow the development of others, and improve the outlook for continued ecosystem function and the del ivery of
ecosystem services (Roberts et al. 201 7). For example, managers can improve the outlook for their areas by
using the criteria described above to design networks of NTZs (Table 1 ) embedded within broader
management frameworks (see Integrating MPAs within Broader Management Frameworks) to build ecosystem
resil ience to cl imate-related stresses by (McLeod et al. 2009, Gerber et al. 201 4, Roberts et al. 201 7):
• Protecting habitats, critical areas and species from local threats (e.g., habitat destruction, overfishing or
nutrient pol lution) to decrease their sensitivity to, and facil itate their recovery from, cl imate-related
disturbances l ike floods or coral bleaching;
• Maintaining connectivity and genetic variabil ity;
• Spreading the risk from disturbance events; and
• Promoting large fish stocks that can help sustain fisheries as conditions change.
To date, though, NTZs have had varying success in terms of their abil ity to protect corals from global threats
and facil itate recovery after disturbance, particularly where the effects of ocean warming have been so great
that they have swamped the benefits of managing local stressors l ike pollution and overfishing (reviewed in
Roberts et al. 201 7 and Bruno et al. 201 9). However, this may be partly because NTZs are rarely designed
____________________________33 Mass coral bleaching has affected coral reefs across a wide area of Indonesia on at least two occasions in 1 997-1 998 and 2009-201 0(International Coral Reef Initiative 201 0). The largest event recorded to date was in 201 0, where coral bleaching levels (and associatedmortal ity) were severe in Sumatra and Sulawesi, and mild to medium in Java, Bal i, Lombok, Maluku and Raja Ampat..
53
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re17.So
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anch
emistry(refugia)
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ould
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(3).
From
Gombosetal.2013andGreenetal.2013
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
54
specifical ly to address the effects of cl imate change (e.g., see Beger et al. 201 5) , and therefore not able to
optimize their potential benefits for cl imate change adaptation (Munguia-Vega et al. 201 8).
To address these concerns, we provide five additional criteria for designing MPAs and MPA Networks in Indonesia
to specifical ly address changes in cl imate and ocean chemistry, as described below.
Protect sites that are likely to be more resilient to global environmental change (refugia) in
NTZs.
The effects of changes in cl imate and ocean chemistry on habitats and species are l ikely to vary based on different
internal (e.g., genetic) and external (e.g., environmental) factors, which wil l result in varying degrees of ecosystem
resil ience (West & Salm 2003, McClanahan et al. 201 2). In this regard, resil ience comprises two key components:
resistance, meaning the abil ity of an ecological community to resist or survive a disturbance, and recovery, or the
rate a community takes to return to its original condition (McClanahan et al. 201 2).
Where possible, sites where habitats and species are l ikely to be more resil ient to global environmental change
(refugia) should be identified and protected in NTZs (Figure 1 7), because they are l ikely to be important for
maintaining biodiversity in the face of cl imate change (West & Salm 2003, McLeod et al. 2009, Green et al.
201 4a). Protecting these refugia in NTZs is also l ikely to provide fisheries benefits, since habitat loss is a major
threat to tropical coastal fisheries in the face of cl imate and ocean change (Bel l et al . 201 1 ) .
Refugia may include (McLeod et al. 201 2, Green et al. 201 4a, Roberts et al. 201 7):
• Areas where habitats and species are known to have withstood environmental changes (or extremes) in
the past;
• Areas with historical ly variable sea surface temperatures and ocean carbonate chemistry, where habitats
and species are more likely to withstand changes in those parameters in the future; and
• Areas where coastal habitats l ike mangroves and turtle nesting beaches can increase elevation over time
and keep pace with sea level rise, such as where there is an adequate supply of sediment and landward
migration is not constrained by steep topography or human infrastructure.
Other indicators can also be used to identify areas that may be more resil ient to cl imate change, although the
relative importance of these factors wil l vary with habitats and species (McLeod et al. 2009). For coral reefs,
several studies have shown that the most resil ient reefs appear to be those with high fish and coral diversity and
few human impacts (reviewed by McClanahan et al. 201 2). In particular, an abundance of heat-tolerant coral
species and past temperature variabil ity appears to provide the greatest resistance to cl imate change, while high
coral recruitment rates and low macroalgae abundance appear to be most important in the recovery process.
Mumby et al. (201 1 ) provide a practical example of how to use such indicators to model and map coral reef
resil ience to thermal stress to design a network of NTZs.
Protect ecologically important sites that are sensitive to changes in climate and ocean
chemistry.
Some sites may have ecological ly important habitats and species that are particularly sensitive to changes in
cl imate and ocean chemistry. For example, coral reefs, particularly those with a high cover of Acropora and other
thermally sensitive corals, are some of the most vulnerable ecosystems to rising sea temperatures (see Roberts et
al. 201 7).
While changes in cl imate and ocean chemistry cannot be prevented at the local level, networks of NTZs can help
promote ecosystem resil ience to these cl imate-related stresses by reducing local anthropogenic threats (see
above) and increasing protection of species that play important functional roles in ecosystem resil ience (see
below), particularly if they are integrated within broader management frameworks to address al l local threats (see
Integrating MPAs within Broader Management Frameworks) . Therefore, ecological ly important sites that are sensitive
to changes in cl imate and ocean chemistry should be protected in NTZs.
55
Increase protection of species that play important functional roles in ecosystem resilience.
Some functional groups play important roles in ecosystem function and maintaining resil ience to local and global
threats. For example, herbivores can be a key functional group that underpins the abil ity of coral reefs to recover
from disturbances such as mass coral bleaching, by preventing algal overgrowth that can inhibit coral settlement
and survival (reviewed in Chung et al. 201 9).
However, the evidence for the importance of herbivores in coral reef resil ience is equivocal (reviewed in Green &
Bellwood 2009, McClanahan et al. 201 2, Bruno et al. 201 9). In some situations, herbivores appear to have been
important factors facil itating coral reef recovery, but in others, coral reefs have not recovered despite having
healthy populations of herbivores, possibly because the effects of ocean warming have been so great that they
have swamped the benefits of protecting herbivores (e.g., where there is a lack of coral larvae due to the mass
mortal ity of breeding adults) .
Nevertheless, since herbivores can play an important role in reef resil ience in some situations, increasing
herbivorous fish biomass has been a dominant recommendation of resil ience-based management (reviewed in
Chung et al. 201 9). In view of this, we recommend taking a precautionary approach and protecting herbivores in
NTZs integrated within broader fisheries management regimes (see Integrating MPAs within Broader Management
Frameworks) . Another approach may be to design a network of herbivore management areas34 to build coral reef
resil ience to cl imate change (e.g., see Chung et al. 201 9).
Consider how changes in climate and ocean chemistry will affect the life history offocal
species.
Changes in cl imate and ocean chemistry are l ikely to alter the ecology of species35, causing fundamental changes
in ecosystem function and dynamics36 (Roberts et al. 201 7, Munguia-Vega et al. 201 8). Therefore, it is important
to consider how these changes are l ikely to affect major habitats and populations of focal species to be protected
in MPAs in Indonesia, and the implications for modifying the design criteria described above (e.g., see Munguia-
Vega et al. 201 8).
Climate change is expected to cause shifts in the distribution of focal species, marine ecosystems and the services
they provide (reviewed in Roberts et al. 201 7). For example, there may be a redistribution of species from
tropical towards more temperate waters, leading to a decl ine in diversity in tropical regions. Fisheries productivity
____________________________34 Where the take of herbivorous fishes and invertebrates (e.g., sea urchins) is prohibited while other extractive and non-extractiveuses are al lowed.35 Their distribution, growth, abundance, reproduction, population connectivity and recovery rates.36 Such as changes in the relative biomass of trophic groups, and changes due to variations in nutrient recycl ing/upwell ing.
Herbivorous reef fishes can play critical roles in coral reef resil ience and should be protected in NTZs integrated with other
fisheries management tools. Images from the Raja Ampat Islands MPA © Awaludinnoer, TNC (left) and Andreas Muljadi (right) .
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
56
is also predicted to decl ine as a result of warming and reduced dissolved oxygen, lower surface nutrients and
phytoplankton biomass, shifts in ranges and species abundance patterns, and acidification (reviewed in Roberts et
al. 201 7). Consequently, it wil l be important to take this into account when applying the design criteria regarding
habitat representation and replication, and protecting critical , special and unique areas (e.g., areas with high
productivity) .
Climate change effects on habitat distribution are also predicted to affect biological interactions among species37
(Roberts et al. 201 7, Munguia-Vega et al. 201 8). Areas l ikely to support or maintain important biological
interactions among species both now and in the future should be identified and prioritized for protection in
NTZs, e.g., nursery habitats for focal fisheries species (see example in Munguia-Vega et al. 201 8).
Climate change may also affect larval connectivity among NTZs by reducing reproductive output, shortening
planktonic larval durations, changing the speed and direction of ocean currents and causing habitat loss (Gerber et
al. 201 4). In that event, the design criteria regarding incorporating larval dispersal, such as with respect to the
location, size and spacing of NTZs (see Consider Larval Dispersal) , may need to be adapted to accommodate
changes in larval connectivity (Alvarez-Romero et al. 201 8). Regional networks of NTZs can accommodate these
changes by providing stepping stones for dispersal, safe ‘ landing zones’ for colonizing species, and possible refugia
for species unable to move (reviewed in Roberts et al. 201 8).
Address uncertainty by spreading the risk, and increasing protection ofhabitats, critical areas
and species most vulnerable to changes in climate and ocean chemistry.
There is stil l a lot of uncertainty regarding how changes in cl imate and ocean chemistry wil l affect major habitats
and focal species in Indonesia (e.g., see Hoegh-Guldberg et al. 2009). Until more information is available, it wil l be
important to spread the risk by protecting multiple examples of each major habitat in widely separated NTZs
(see Replicate Habitats [Spread the Risk]) .
Al l ison et al. (2003) suggests that it may also be necessary to add a cl imate change buffer by increasing the level of
protection of habitats in NTZs by an ‘insurance factor’ in areas vulnerable to cl imate change impacts (see
Represent Habitats) . The exact value of this ‘ insurance factor’ should be calculated by considering the vulnerabil ity
of Indonesia’s marine habitats and species to changes in cl imate and ocean chemistry38. Additional protection may
also be required for critical areas and species most vulnerable to changes in cl imate and ocean chemistry (see
Protect Critical, Special and Unique Areas) .
____________________________37 Such as predator–prey relationships, mutual ism, competition, habitat use, etc.38 For example, an ‘ insurance factor' of 1 .65% was used to rezone the Great Barrier Reef Marine Park in Austral ia (Fernandes et al.2005).
57
MPAs can be effective tools for conservation and management in Indonesia, but only if they
are well designed and effectively managed (Green et al. 201 4a, White et al. 201 4). One of the
first steps in the design process is to clearly define both biophysical and socioeconomic
criteria required to design MPAs and MPA Networks to achieve their goals and objectives
(see Green et al. 2020).
General criteria exist for designing networks of MPAs in tropical marine ecosystems
worldwide (e.g., Green et al. 201 4a). Here we provide, for the first time, the scientific
rationale used to develop biophysical criteria for designing MPAs and MPA Networks in
Indonesia (see Green et al. 2020). These criteria are based on a review of the existing
national regulations, publ ished l iterature and best practices used in Indonesia and worldwide
(see Green et al. 2020), and specifical ly adapted and refined to consider the unique biological
and physical characteristics of the marine ecosystems in Indonesia. Our rationale for adapting
these design criteria to the local context assumes that MPAs and MPA networks in Indonesia
wil l be more likely to achieve their goals (see MPAs and MPA Networks In Indonesia) using the
design criteria provided in this document, than if they were designed using general guidel ines
developed elsewhere (Munguia et al. 201 8).
These biophysical design criteria should contribute to a larger process that includes
implementing MPAs and MPA Networks in ways that complement human uses and values,
and al ign with local legal, pol itical and institutional requirements. Furthermore, for MPAs and
MPA Networks to be effective, they need to be embedded within broader management
frameworks that address al l threats to habitats and species to ensure the long-term
sustainabil ity of marine resources and the ecosystem benefits they provide.
These biophysical criteria for designing MPAs and MPA Networks in Indonesia should be
applied using the precautionary approach and best available information, while recognizing
that there are often information gaps that can prevent the ful l appl ication of al l these
principles.
Here we provide some advice on:
• Integrating biophysical , socioeconomic and cultural criteria to design MPAs and MPA
Networks in Indonesia;
• Integrating MPAs within broader management frameworks; and
• Research priorities for applying the biophysical design criteria in Indonesia.
DISCUSSION
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
58
Integrating Biophysical, Socioeconomic and Cultural DesignCriteria
The framework for designing MPAs and MPA Networks in Indonesia (Green et al. 2020) provides biophysical ,
socioeconomic and cultural design criteria, which should be used together in a comprehensive planning process.
At times there may be socioeconomic, cultural, pol itical and other reasons that can prevent the ful l appl ication of
al l the biophysical design criteria in this document. When required to comply with other criteria, decision makers
and field practitioners should aim to achieve as many of the biophysical design criteria as possible. Failure to apply
these criteria may result in inadequate levels of protection to maintain ecosystem health, function and populations
of focal species (Edgar et al. 201 4), leading to biodiversity loss, population decl ines, delays in the recovery of focal
species, and increased vulnerabil ity of habitats and species to cl imate change (Munguia et al. 201 8).
However, it is also very important to apply the socioeconomic and cultural criteria to ensure that MPA or MPA
Network designs consider human uses and values, and address the needs and aspirations of local communities
and other stakeholders (e.g., see Fernandes et al. 2005, Green et al. 2009, Mangubhai et al . 201 5) . In many
situations, a bottom-up strategy that focuses on social justice, inclusion and human dimensions needs to be in
place and weighted equal ly with biophysical criteria so that the MPAs are legitimized and supported by users, both
for ethical and practical reasons (see Munguia et al. 201 8).
MPAs or MPA Networks also need to be al igned with legal, pol itical and institutional requirements as described in
the Technical Guidelines (Juknis) of Ministerial Regulation No. 1 3/201 4 on Establishing and Managing MPA Networks
(MMAF in prep.) .
The advantage of clearly stating the biophysical design criteria, and their rationale, is that it provides a sound
framework to explicitly discuss potential trade-offs and complementarities that wil l inevitably arise when
simultaneously applying both sets of criteria to design MPAs or MPA Networks in Indonesia. For example, some
stakeholders may prefer smaller, shorter-term NTZs to al low more access to fishing areas. However, such NTZs
wil l only provide l imited ecological benefits for focal species, which wil l decrease the chances of the MPA
achieving its biophysical goals of protecting biodiversity and enhancing coastal fisheries (see Consider Movement of
Adults and Juveniles and Allow Time for Recovery) . The Raja Ampat Islands MPA provides a good case study of how
to use both biophysical and socioeconomic design criteria simultaneously to design MPAs to benefit both people
and nature in Indonesia (Agostini et al . 201 2, Mangubhai et al . 201 5) .
I t may also be important to implement the biophysical design criteria in ways that minimize socioeconomic
impacts until the ecological benefits of NTZs accrue to benefit coastal communities, such as through the export
of adults and larvae from NTZs to support fisheries in adjacent areas (see Krueck et al. 201 7a). For example, the
number and size of NTZs can be increased gradual ly over a period of 1 0-20 years to help reduce the short-term
impacts on fishers while populations of fisheries species recover.
Integrating MPAs within Broader Management Frameworks
Well-designed and effectively managed networks of MPAs can play an important role in fisheries management,
biodiversity conservation and cl imate change adaptation. However, to maximize their contribution to achieving
these objectives, MPAs must be embedded within broader management frameworks that address al l threats to
ensure the long-term sustainabil ity of marine resources and the ecosystem benefits they provide (White et al.
2005, Christie et al. 2009, McLeod et al. 2009). For example, even if 20% of major habitats are protected within
NTZs (see Represent Habitats) , sound fisheries management wil l sti l l be required in the 80% of the area that wil l
remain open to fishing (Hilborn 201 6, Roberts et al. 201 7).
Therefore, where possible, al l of the ecosystem (or as large an area as possible) should be included within a
multiple-use MPA that includes zones with a variety of regulations and restrictions regarding access and activities
(e.g., for fisheries or tourism). This way, different types of protection in different zones can offer synergistic
benefits to achieve multiple objectives simultaneously (FAO 201 1 b). For example, NTZs can be combined with
sustainable fisheries zones that may include harvest controls (i.e., catch, species, size, gear or effort restrictions)
to improve fisheries management (Green et al. 201 5) and provide tourism opportunities, e.g., for diving with
healthy fish populations.
59
NTZs should also be embedded within broader fisheries management frameworks that enforce regulations and
laws outside MPAs (White et al. 2005, McLeod et al. 2009). For example, fisheries objectives can be addressed
more effectively if NTZs are integrated within an Ecosystem Approach to Fisheries framework (McLeod et al.
2009, FAO 201 1 b).
MPAs should also be integrated within broader spatial planning and management regimes (e.g., Ecosystem-Based
Management and Integrated Coastal Management) that address multiple threats including those arising from land,
such as runoff of sediment and nutrients (White et al. 2005, Christie et al. 2009, McLeod et al. 2009, Alvarez-
Romero et al. 201 1 ) .
MPAs also need be integrated within Marine Spatial Plans to ensure protection and sustainabil ity of marine and
fisheries resources in Indonesia,
Research Priorities
There are often information gaps that can prevent applying some of the biophysical design criteria. Here we
provide a summary of research priorities for applying these criteria to design MPAs and MPA Networks in
Indonesia (Table 2). These research priorities wil l need to be addressed with input from different stakeholders
with different types of expertise. For example:
• Some priorities can be addressed by expert mapping by field practitioners (MPA managers and non-
governmental organizations) , with input from local communities and scientists who know the area, e.g., to
identify, map and classify major habitats; and identify critical , special and unique areas and local threats.
• Other priorities wil l need to be addressed by scientists and field practitioners with knowledge of the
ecology of focal species, e.g., regarding their movement patterns and population recovery times.
• Others may need to be addressed by university scientists with a high level of expertise, e.g., to model
connectivity or the potential impacts of changes in cl imate and ocean chemistry on major habitats and focal
species.
The biophysical design criteria in this document may also need to be adapted and refined as more information
becomes available or if the situation changes. For example, if changes in cl imate and ocean chemistry affect the
distribution and abundance of major habitats and populations of focal species, the design criteria may need to be
modified to reflect these changes to maintain ecosystem function in the future (Munguia et al. 201 8).
Consideration Research Priority
Represent Habitats
Replicate Habitats (Spread the Risk)
Identify, classify and map major habitats (see Appendix 1 . Habitat
Classification) .
Protect Critical , Special and Unique Areas Identify and map critical , special and unique areas, particularly fish
spawning aggregations for large, vulnerable reef fishes.
Incorporate Connectivity: Abiotic Factors Identify, model and/or map abiotic factors that affect the spread of
biological and non-biological material .
Incorporate Connectivity: Biotic Factors
Movement of Adults and Juveniles
Incorporate Connectivity: Biotic Factors
Larval Dispersal
Measure movement patterns of adults and juveniles of focal species.
Measure and/or model larval dispersal patterns of focal species.
Al low Time for Recovery Monitor recovery rates of populations of focal species in well-
designed and managed NTZs.
Protect Healthy Areas and Avoid Local Threats Identify and map local threats and the condition of major habitats.
Adapt to Changes in Climate and Ocean
Chemistry
Understand the potential effects of changes in cl imate and ocean
chemistry on the ecology of focal species and the associated
changes in communities, ecosystem function and dynamics.
Table 2. Research priorities for applying biophysical criteria to design MPAs and MPA Networks in Indonesia.
In 201 9, TNC and USAID SEA provided technical assistance to MMAF to develop the
document A Guide, Framework and Example: Designing Marine Protected Areas and Marine
Protected Area Networks to Benefit People and Nature in Indonesia (Green et al. 2020). The
document provides a framework (goals, objectives, design criteria and performance indicators)
for designing MPAs and MPA Networks that take biophysical , socioeconomic and cultural
considerations into account. I t wil l provide supplementary information to support the Technical
Guidelines (Juknis) of Ministerial Regulation No. 1 3/201 4 on Establishing and Managing MPA
Networks (MMAF in prep.) .
In the current document, we have provided the scientific rationale (summarized in Table 3) for
the biophysical criteria for designing MPAs and MPA Networks in Indonesia outl ined in the
framework document (Green et al. 2020). These biophysical design criteria address the need to
represent and replicate habitats; protect critical , special and unique areas; incorporate
connectivity; al low time for recovery; protect healthy areas and avoid local threats; and adapt
to changes in cl imate and ocean chemistry. They should contribute to a larger process that
includes implementing MPAs and MPA Networks in ways that complement human uses and
values, and al igns with legal, pol itical and institutional requirements.
To make sure this is the case, the current document should be used in conjunction with the
Technical Guidelines (Juknis) of Ministerial Regulation No. 1 3/201 4 on Establishing and Managing
MPA Networks (MMAF in prep.) , and the supplementary information on socioeconomic and
cultural design criteria provided in the document A Guide, Framework and Example: Designing
Marine Protected Areas and Marine Protected Area Networks to Benefit People and Nature in
Indonesia (Green et al. 2020).
SUMMARY
61
Consideration
BiophysicalCriteriaforDesigning
MPAsandMPANetw
orksin
Indonesia
ScientificRationale
andExplanatoryNotes
RepresentHabitats
Protec
tat
least
20%
ofea
chmajorha
bitat
in
NTZs.
•Differentspeciesuse
differenthab
itats,so
exam
plesofeachmajorhab
itat
(e.g.,eachtype
ofco
ralreef,man
grove
forest
andseag
rass
bed)should
bepro
tectedin
NTZs.
•Pe
rcenthab
itat
representationwillvary
dependingonseve
ralfactors,includingfishing
pressure
andifthere
iseffectivefisheriesman
agementin
place
outsideNTZs.In
heavily
fishedareas
where
there
isnoeffectivefisheriesman
agement,at
least30%
ofeachmajor
hab
itat
should
berepresentedwithin
NTZsto
sustainpopulationsoffocalfisheries
species.W
here
fishingpressure
islow,orwhere
there
iseffectivefisheriesman
agement
outsideNTZs,lowerleve
lsofpro
tectionin
NTZs(20%)may
beneeded.
•Pe
rcenthab
itat
representationshould
also
considerthevu
lnerability,diversityorrarity
of
eachhab
itat,an
dtheeco
system
servicesitprovides.
Replicate
Habitats
(Spreadthe
Risk)
Protec
tat
least
threeexamplesof
each
major
habitat
inNTZs,
and
Spreadthem
outto
reduce
thech
anc
esthey
will
allbeaffec
tedby
thesamedisturbanc
e.
•Large
-scale
disturban
ces(i.e.,majorstorm
s,co
ralb
leachingan
dcrown-of-thornsstarfish
outbreak
s)cancause
seriousim
pacts
tomajorhab
itats,an
ditisdifficultto
predictwhich
areas
aremost
likely
tobeaffected.
•Therefore,itisim
portan
tto
pro
tect
atleastthreeexam
plesofeachmajorhab
itat
in
widely
separatedNTZsto
reduce
thech
ance
that
theywillallb
eim
pactedbythesame
disturban
ce(sodam
agedareas
may
bereplenishedbyunaffectedareas).
•Sp
read
ingtherisk
also
increasesthech
ance
sthat
variationsin
communitiesan
dspecies
within
majorhab
itatsarerepresentedin
NTZs
ProtectCritical,Specialand
UniqueAreas
Protec
tcriticala
reasin
thelifehistoryof
foca
l
fisheriessp
eciesin
NTZs.
Protec
tcriticala
reasor
habitatsforch
arism
atic,
endang
ered
,threaten
edor
protected
spec
ies.
Protec
tsp
eciala
nduniquena
turalp
heno
men
ain
NTZs.
•So
mefocalspecies(e.g.,fisheries,ch
arismatic,endan
gered,threatenedan
dpro
tected
species)
conce
ntratein
areas
that
arecritically
importan
tfortheirpopulationmaintenan
ce
(e.g.,spaw
ning,
nesting,
breeding,
calvingornursery
areas)orhab
itatstheyuse
asmigratory
corridors,resting,
feedingorclean
ingareas.
•W
hile
theyuse
these
areas,these
speciesareparticu
larlyvu
lnerable
todisturban
ceor
ove
rexploitation.Therefore,these
areas
should
bepro
tectedin
perm
anentorseasonal
NTZs,in
combinationwithotherman
agementap
pro
aches(e.g.,fishingseasonorge
ar
restrictionsortourism
codesofpractice).
•So
meareas
may
also
havespecialan
duniquenaturalfeaturesthat
should
beincludedin
NTZsto
ensure
that
alle
xam
plesofbiodiversityan
deco
system
pro
cessesarepro
tected.
Thismay
includeareas
withve
ryhighbiodiversity,highleve
lsofendemism,uniquemarine
communities(e.g.,marinelake
s)orhighpro
ductivity(e.g.,uniquepelagichab
itats,such
as
areas
ofupwelling,
fronts
oreddies).
Tab
le3.Su
mmaryofscientificrationale(andexplanatory
notes)
forbiophysicalcriteriafordesign
ingMPA
san
dMPA
Netw
orksin
Indonesia.
Plea
seno
tethat
many
ofthesecriteria
are
designe
dto
consider
theec
olog
yof
foca
lspec
ies,
including:
keyfisheriessp
ecies(fishand
inverteb
rates);en
dang
ered
,threaten
edand
protected
spec
ies
and
/ormigratory
marine
biota
(sea
turtles,
marine
birds,
cetaceans,dug
ongand
croc
odiles);largech
arism
atic
marine
fauna
(sha
rks,
mantarays,wha
lesharksand
Molamola);sp
eciesim
portant
for
maintainingec
osystem
func
tion
,such
asha
bitat-formingsp
ecies(e.g.,co
rals)or
spec
iesim
portant
forreef
resilienc
e(e.g.,he
rbivores).
(Con
tinu
edon
next
pag
e)
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
62
Consideration
BiophysicalCriteriaforDesigning
MPAsandMPANetw
orksin
Indonesia
ScientificRationale
andExplanatoryNotes
Incorp
orate
Connectivity:
AbioticFactors
Con
sider
variations
inocea
nography,substrate
and
bathym
etry
that
affectthespreadof
biologica
land
non-biologica
lmaterial.
•Abioticfactors,includingsubstrate,bathym
etryan
docean
ograp
hy(physicalan
dbiological
propertiesoftheocean
,such
ascu
rrents,tides,temperature,salinityan
dacidity),affect
the
spread
ofbiologicalandnon-biologicalm
aterialin
thesea.
These
factors
playim
portan
troles
indeterm
iningthedistributionan
dab
undan
ceofspecies,an
dthestructure
ofbiological
communities.
•W
here
there
islittleornobiologicalinform
ation,uniqueco
mbinationsofthese
abiotic
factors
canbeusedas
surrogatesformarinebiodiversityin
MPA
netw
ork
design
(to
Rep
resent
Habitats).
•Ocean
currents
canalso
playan
importan
trole
ininfluencinglarvaldispersal,an
dshould
be
consideredwhendeterm
iningthelocation,size
andspacingofNTZs(seeCon
sider
Larval
Dispersal ).
Incorp
orate
Connectivity:
BioticFactors
Movem
entof
Adultsand
Juveniles
Ensure
NTZsare
largeen
ough
tosustain
adults
and
juvenilesof
foca
lfishe
ries
specieswithin
theirbou
ndaries.
•NTZsneedto
belargeenough
toallow
forthemaintenan
ceofspaw
ningstock,byallowing
individualsto
grow
tomaturity,increasein
biomassan
dreproductivepotential,an
d
contribute
more
tostock
recruitmentan
drege
nerationin
NTZsan
dfishedareas.
•Differentspeciesmove
differentdistancesas
adultsan
djuveniles(e.g.,forhomerange
s,
ontoge
netichab
itat
shiftsan
dspaw
ningmigrations).
•NTZsshould
bemore
than
twicethesize
ofthehomerange
ofad
ultsan
djuvenilesoffocal
speciesforprotection,so
NTZsofdifferentsizeswillberequireddependingonwhich
speciesrequireprotection,how
fartheymove,an
difothereffectiveprotectionisin
place
outsideNTZs.Large
rNTZswillprotect
more
species.
•Reco
mmendationsregardingtheminim
um
size
ofNTZsmust
beap
pliedto
thespecific
hab
itatsthat
focalspeciesuse,ratherthan
theoverallsize
oftheNTZs(w
hichmay
include
otherhab
itats).
•Sp
ecieswhose
movementpatternsarelargerthan
thesize
ofNTZswillonly
beafforded
partialprotection,so
NTZsmust
beintegratedwithotherfisheriesman
agementtoolsto
man
agewide-ran
gingspecies.
Protectareasthat
are
important
atthena
tion
al,
internationa
lorglob
alsca
leforconservation
ormana
gemen
tof
foca
lspecies.
•So
meofthese
critical,specialan
duniqueareas
may
beim
portan
tto
protect
biodiversityor
man
agefisheriesat
thenational,internationalorglobalscale(e.g.,W
orldHeritage
Areas,
RAMSA
RSites,criticalhab
itatsforglobally
endan
geredspecies,orcriticalareas
for
maintainingco
nnectivityoffisheriesspeciesacross
nationalboundaries).
Tab
le3(con
tinu
edfrom
previou
spag
e).Su
mmaryofscientificrationale(andexplanatory
notes)
forbiophysicalcriteriafordesign
ingMPA
san
dMPA
Netw
orksin
Indonesia.
63
Ensure
NTZsare
largeen
ough
toco
ntain
all
habitatsusedby
foca
lspec
iesthroug
hout
theirlifehistory;
or
Establishne
tworks
ofNTZscloseen
ough
to
allow
formovem
ents
offoca
lspec
iesamon
g
protected
habitats.
•So
mesp
eciesuse
differenthab
itatsthro
ugh
outtheirlives(e.g.,forhomerange
s,nursery
and
spaw
ningareas).
•Allhab
itatsusedbyjuve
nile
san
dad
ultsoffoca
lspeciessh
ould
bepro
tectedwithin
individual
NTZs.
•W
here
move
mentpattern
sam
onghab
itats(e.g.,onto
genetichab
itat
shiftsorsp
awning
migrations)
cove
rdistance
sto
ogreat
tobeincludedin
individual
NTZs,differenthab
itats
usedbyfoca
lspeciessh
ould
bepro
tectedin
multiple
NTZs,pro
videdthat
these
NTZsare
loca
tedto
allow
formove
ments
offoca
lspeciesam
ongpro
tectedhab
itats.
Includewho
leec
olog
icalu
nits
(such
asreefsor
seamou
nts)
inNTZs.
Ifno
t,ch
oose
larger
rather
thansm
allerareas.
Use
compact
shapes
(such
assquares)
for
NTZs,
exceptwhe
nprotectingna
turally
elon
gatedha
bitats.
•Includingwhole
eco
logica
lunitsin
NTZshelpsmaintain
theintegrityoftheNTZs,beca
use
man
ysp
eciesarelikely
tostay
within
theirpreferredhab
itat
type.
•W
here
whole
eco
logica
lunitsca
nnotbeincluded,largerratherthan
smallerNTZssh
ould
be
usedto
acco
mmodatemove
mentpattern
sofmore
species(seeab
ove
).
•Compac
tsh
apesminim
izeedge
effectsan
dlim
itsp
illove
rofad
ultsan
djuve
nile
smore
than
othersh
apes(such
aslongthin
rectan
gles).Thishelpsmaintain
theeco
logica
lintegrityofthe
NTZs.
•Therefore,co
mpac
tsh
apessh
ould
beusedforNTZs,exc
eptwhenpro
tectingnaturally
elonga
tedhab
itats(e.g.,longnarro
wco
astal,orfringing,
reefs).
Establish:
•NTZslargeen
ough
tobeself-sustaining
forfoca
lspec
ies;
or
•Networks
ofNTZscloseen
ough
tobe
conn
ectedby
larvald
ispersal.
•Larva
ldispersal
plays
anim
portan
tro
lein
ensu
ringthat
marinepopulationspersistthro
ugh
time.
•NTZssh
ould
bedesign
edto
ensu
rethat
populationsoffoca
lspeciespersistwithin
NTZs,
andto
max
imizelarval
dispersal
tosu
pport
fish
eriesoutsideNTZs.
•W
here
fish
ingpressure
ishighan
dfish
eriesarenotwellman
aged,itisim
portan
tto
take
larval
dispersal
into
acco
untwhendesign
ingNTZs,beca
use
most
breedingad
ultsarelikely
to
bewithin
well-design
edan
dman
agedNTZs.Thismay
beless
importan
tin
areas
where
there
isless
fish
ingpressure
orwhere
fish
eriesarewellman
aged,an
dthusasu
bstan
tial
pro
portion
oflarvae
may
comefrom
fish
edareas.
•In
heav
ilyfish
edareas,populationpersistence
offoca
lspecieswithin
NTZswilldependon
recruitmentto
loca
lpopulationsthro
ugh
eitherself-persistence
,where
populationsin
individual
NTZsarelargeenough
tobeself-su
stainingthro
ugh
larval
retention(thisismore
likely
where
NTZsarelarge),ornetw
ork
persistence
,where
populationsoffoca
lspeciesare
sustainedwithin
anetw
ork
ofNTZsthat
cove
rsan
adequatefrac
tionofthehab
itat
(see
Rep
resent
Habitats).
•In
heav
ilyfish
edareas,larval
dispersal
pattern
soffoca
lspeciessh
ould
beusedto
inform
the
size
,sp
acingan
dloca
tionofNTZs.
Incorp
orate
Connectivity:
BioticFacto
rs
LarvalD
ispersal
(Con
tinu
edon
next
pag
e)
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
64
Protectlarvalsou
rces
inpermane
ntor
seasona
l
NTZsor
byusing
fisheriesclosuresduring
spawning
times.
•A
commonreco
mmendationisto
pro
tect
larval
‘source’
populationsthat
canco
nsistently
pro
videlarvae
tootherpopulations.
•In
practice,identifyingso
urcepopulationsisdifficultan
dtypically
relie
sonfine-scale
oce
anograp
hic
modelin
gorempirical
measurements
oflarval
dispersal.
•Larvalsourcescanalso
vary
ove
rtime,so
that
alocationmay
actas
aso
urcein
oneye
ar,but
notin
another.
•W
here
consistentan
dim
portan
tlarval
sourcesforfocalspeciesarekn
own(i.e.,fish
spaw
ningareas),theyshould
bepro
tectedin
perm
anentorseasonal
NTZs,orbyfisheries
closuresduringsp
awningtimes(seeProtectCritica
l,Sp
eciala
ndUniqueAreas)
Locate
moreNTZsupstream
relative
tofished
areasif
thereisastrong
,consistent,
unidirection
alcurren
t..
•Oce
ancu
rrents
arelikely
toinfluence
larval
dispersal
patternsto
somedegree.
•In
theab
sence
ofdetaile
dlarval
dispersal
studiesforfocalspecies,more
NTZsshould
be
locatedupstream
relative
tofishedareas
ifthere
isastro
ng,
consistent,unidirectional
current.
•Howeve
r,in
someareas,oce
ancu
rrents
chan
gedirectionin
differentseasons,an
dfocal
speciessp
awnat
differenttimes.Therefore,more
NTZsshould
belocatedupstream
ofthe
directionofthepredominan
tcu
rrentduringthesp
awningseasonoffocalspecies.
Consideration
BiophysicalCriteriaforDesigning
MPAsandMPANetw
orksin
Indonesia
ScientificRationale
andExplanatoryNotes
Protectspatially
isolated
areasin
NTZs(e.g.,
remoteatolls).
•Sp
atially
isolatedareas
such
asremote
atolls
arelargely
self-replenishingan
dmay
havehigh
conservationvaluewhere
theyharborendemic
speciesan
d/oruniqueassemblage
sor
populations.
•Low
connectivitywithotherareas
mak
esthese
assemblage
s,sp
eciesan
dpopulationsless
resilie
ntto
disturban
ce.
•Pro
tectingthem
inNTZsmay
benece
ssaryto
ensure
theirpersistence
.
Tab
le3(con
tinu
edfrom
previou
spag
e).Su
mmaryofscientificrationale(andexplanatory
notes)
forbiophysical
criteriafordesign
ingMPA
san
dMPA
Netw
orksin
Indonesia.
AllowTim
eforRecovery
EstablishNTZsforthelong
term
(morethan20
upto
40years),preferablypermane
ntly.
•Po
pulationsoffocalspeciesreco
verat
differentratesin
NTZsdependingontheirlifehistory
characteristicsan
dotherfactors
(e.g.,hab
itat
qualityan
dthesize
oftheremaining
population).
•Reco
very
ofpopulationsofallfocalfisheriessp
eciesmay
take
decades(ove
r20to
40ye
ars).
Therefore,long-term
pro
tectionin
NTZsisrequiredforallspeciesto
grow
tomaturity,
increasein
biomass,an
dco
ntribute
more
robust
eggsan
dlarvae
toreplenishpopulationsin
NTZs,enhan
cead
jace
ntfisheries,an
dmaintain
eco
system
health
andresilie
nce
.
•Pe
rman
entpro
tectionan
dstrict
enforcementofNTZswillensure
that
these
benefits
are
maintainedin
thelongterm
.
65
ProtectHealthyAreasand
Avo
idLocalT
hreats
Protec
tareaswhe
reha
bitatsand
pop
ulation
sof
foca
lspec
iesare
ingo
odco
nditionwithlow
leve
lsof
threat.
Avo
idareaswhe
reha
bitatsand
pop
ulation
sof
foca
lspec
iesare
inpoo
rco
nditiondueto
loca
lthrea
ts.If
this
isno
tpos
sible:
•Red
uce
threats;
•Fa
cilitatena
turalrec
overy;
and
•Con
sider
theco
stsand
ben
efitsof
reha
bilitating
habitatsand
spec
ies.
•Marineeco
systemshav
ebeendegrad
edbyloca
lthreatsin
man
yloca
tions,
includingby
unsu
stainab
lefish
ingorto
urism
activities,
destru
ctivefish
ingpractices,
coastald
eve
lopment,
land-basedru
noff
andpollu
tion.
•These
threatsdecreaseeco
system
health,pro
ductivityan
dresilie
nce
toclim
atech
ange
,
adve
rsely
affect
man
ysp
ecies,
andse
verely
underm
inethelong-term
sustainab
ility
ofmarine
reso
urcesan
dtheeco
system
servicestheypro
vide.
•Therefore,itisim
portan
tto
minim
izeorav
oid
these
threatsin
NTZsan
dprioritize
areas
for
pro
tectionthat
aremore
likely
toco
ntribute
toeco
system
health,fish
eriespro
ductivity,
and
resilie
nce
toclim
atech
ange
.Itisalso
importan
tto
considerthecu
mulative
effectsofmultiple
threats,
andwhetherthese
'threats'arenaturalo
rexac
erb
atedbyhuman
activities(e.g.,
sedim
entation).
•W
here
NTZsmust
beloca
tedin
areas
where
hab
itatsan
dpopulationsoffoca
lspeciesarein
poorco
nditiondueto
loca
lthreats,
itisim
portan
tto
reduce
these
threatsas
much
as
possible;facilitatenaturalreco
very,su
chas
bypro
tectinglarval
sourcesan
dsp
eciesthat
play
importan
tfunctional
rolesin
eco
system
resilie
nce
(e.g.,herb
ivores);an
dco
nsidertheco
sts
andbenefits
ofrehab
ilitatinghab
itatsan
dsp
ecies.
Use
short-term
(lessthan5years)or
periodically
harvestedNTZsin
additionto,rather
than
instea
dof,long
-term
orpermane
ntNTZs.
•Sh
ort
term
(<5ye
ars)
orperiodically
harve
stedNTZsonly
pro
videsh
ort-term
benefits
for
somesp
ecies.
These
benefits
arequickly
lost
once
these
areas
arereopenedto
fish
ingunless
theyareman
agedve
ryca
refully
(whichisse
ldom
theca
se).Therefore,theyhav
elim
ited
benefits
forco
nse
rvingbiodiversity,
enhan
cingfish
eriesorbuild
ingeco
system
resilie
nce
.
•Thus,
short
term
(<5ye
ars)
orperiodically
harve
stedNTZssh
ould
beuse
din
additionto,
ratherthan
instead
of,long-term
orperm
anentNTZs.
Where
periodic
closu
resareuse
d,
thetimingan
dintensity
ofharve
stingmust
beca
refully
controlle
d.
•Theexc
eptionisse
asonal
closu
resthat
canbeuse
dto
pro
tect
critical
areas
atcritical
times
(e.g.,sp
awningornursery
areas),whichca
nbeve
ryim
portan
tto
pro
tect
orrestore
populationsoffoca
lfisheriessp
ecies(seeProtec
tCritica
l,Sp
eciala
ndUniqueAreas).
Adaptto
Changesin
Climate
andOceanChemistry
Protec
tsitesthat
are
likelyto
bemoreresilient
to
glob
ale
nvironm
entalc
hang
e(refug
ia)in
NTZs.
•Chan
gesin
clim
ate(e.g.,risingse
atemperatures)
andoce
anch
emistryreprese
ntase
rious
andincreasingthreat
tomajorhab
itats(e.g.,co
ralreefs,man
grove
forestsan
dse
agrass
beds)
andfoca
lspecies.
•Effectsofthese
chan
geswill
vary
insp
acean
dtime,an
dso
meareas
will
hav
ehab
itatsan
d
speciesmore
likely
toberesilie
ntto
chan
gesin
clim
atean
doce
anch
emistry(refugia).
Resilie
nce
comprise
stw
oke
yco
mponents:resistan
ce(theab
ility
ofan
eco
logica
lcommunity
toresist
orsu
rviveadisturb
ance
)an
dreco
very
(therate
aco
mmunitytake
sto
return
toits
original
condition).
•W
here
refugiaca
nbeidentified,theysh
ould
beprioritize
dforpro
tectionin
NTZs.
(Con
tinu
edon
next
pag
e)
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
66
Protec
tec
olog
ically
important
sitesthat
are
sens
itiveto
chang
esin
clim
ateand
ocea
n
chem
istry.
•So
meeco
logica
llyim
portan
tsiteshav
ehab
itatsan
dsp
eciesthat
may
beparticu
larlyse
nsitive
toch
ange
sin
clim
atean
doce
anch
emistry.
•These
sitessh
ould
bepro
tectedin
NTZsintegratedwithin
bro
aderman
agement
fram
eworksto
pro
mote
eco
system
resilie
nce
byad
dressingloca
lthreats.
Consideration
BiophysicalCriteriaforDesigning
MPAsandMPANetw
orksin
Indonesia
ScientificRationale
andExplanatoryNotes
Increa
seprotectionof
spec
iesthat
play
important
func
tion
alroles
inec
osystem
resilie
nce.
•So
mefunctional
groupsplayim
portan
tro
lesin
maintainingeco
logica
lresilie
nce
toloca
land
global
threats(e.g.,herb
ivoro
usfish
esonco
ralreefs).
•These
speciessh
ould
bepro
tectedin
NTZsintegratedwithin
bro
aderfish
eriesman
agement
regimes.
Con
sider
how
chang
esin
clim
ateand
ocea
n
chem
istrywill
affec
tthelifehistoryof
foca
l
spec
ies.
•Chan
gesin
clim
atean
doce
anch
emistryarelikely
toaffect
thedistribution,growth,
abundan
ce,repro
duction,populationco
nnectivityan
dreco
very
ratesoffoca
lspecies,an
d
modify
eco
system
stru
cture,functionan
ddyn
amics.
•These
chan
gesmay
requiremodify
ingthedesign
criteriarega
rdinghab
itat
represe
ntationan
d
replication;pro
tectingcritical,sp
ecial
anduniqueareas;inco
rporatingco
nnectivity;
and
allowingtimeforreco
very
(seeab
ove
)in
thefuture.
Address
unc
ertainty
by:
•Sp
readingtherisk
;and
•Increa
sing
protectionof
habitats,
critical
areasand
spec
iesmos
tvu
lnerable
to
chang
esin
clim
ateand
ocea
nch
emistry.
•There
isalotofunce
rtainty
rega
rdingtheeffectsthat
chan
gesin
clim
atean
doce
anch
emistry
willhav
eonmajorhab
itats,critical
areas
andfoca
lspecies.
•Untilm
ore
inform
ationisav
ailable,itwillbenece
ssaryto
spread
therisk
bypro
tecting
multiple
exam
plesofeac
hmajorhab
itat
inNTZs(seeRep
licateHabitatsab
ove
).
•Itmay
also
benece
ssaryto
addaclim
atech
ange
bufferbyincreasingtheleve
lofpro
tection
ofhab
itatsin
NTZs(seeRep
resent
Habitats),critical
areas
andsp
eciesmost
vulnerable
to
chan
gesin
clim
atean
doce
anch
emistryin
NTZs.
Tab
le3(con
tinu
edfrom
previou
spag
e).Su
mmaryofscientificrationale(andexplanatory
notes)
forbiophysical
criteriafordesign
ingMPA
san
dMPA
Netw
orksin
Indonesia.
67
When applying the design criteria to Represent Habitats and Replicate Habitats (Spread the Risk) , it is important to
apply these criteria to protect each type of major habitat which comprises different floral and faunal components
(e.g., to protect each type of coral reef, mangrove or seagrass community) . Therefore, field practitioners may
need to develop habitat classifications for major habitats in their MPA. Here we provide an example of a coral
reef classification that was developed and used to design an MPA in Indonesia.
Coral reef seascapes were delineated for Raja Ampat using site-specific field data, expert opinion and best
available information, such as reef maps and atlases, aerial photography and satel l ite imagery, regarding
oceanography, bathymetry and physico-chemical parameters, and habitats and distributions of coral communities
and reef fishes (DeVantier et al. 2009) (Figure 1 8, next page). These coral reef seascapes were used to apply the
criteria to Represent Habitats and Replicate Habitats (Spread the Risk) when zoning the Raja Ampat Islands MPA
(Agostini et al . 201 2).
Other examples of how to use biotic and abiotic factors to classify habitats for MPA design are described in the
section on incorporating connectivity (see Incorporate Connectivity: Abiotic Factors) .
APPENDIX 1
HABITAT CLASSIFICATION
68 BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
Figure 1 8. Coral reef seascapes in Raja Ampat. Different colors show different types of coral reef communities, which should each
be protected in NTZs.
from DeVantier et al . 2009
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
70
A brief overview of broad-scale patterns of bathymetry and oceanography in Indonesia is provided below, based
on a review in ADB (201 4).
Bathymetry
The Indonesian archipelago is divided into several shal low shelves and deep-sea basins (see Figure 1 ) . The shelves
in the west connect to Asia (Sunda Shelf) and in the east to Austral ia (Sahul Shelf) . There are 27 deep basins and
trenches with extremely deep seas in the Banda Sea (7,440m deep) and the Celebes (Sulawesi) Basin (6,220m
deep). Sil ls form the shal lowest areas bordering deep depressions and are important in ventilating the deep water.
Oceanography
Indonesian waters, especial l y in the eastern part of the archipelago, play an important role in the global water
mass transport system, in which warm water at the surface conveys heat to the deeper cold water in what is
known as the great ocean conveyor belt. Eastern Indonesia is also the only place where the Pacific and Indian
Oceans connect at lower latitudes, via mass water transport from the Pacific to the Indian Ocean through various
channels known as the Indonesian Throughflow (see Figure 9). Other dominant surface ocean circulation features
in Indonesia are the Halmahera and Mindanao eddies that feed the Northern Equatorial Counter Current.
Tidal phenomena in Indonesia are among the most complex in the world. Complicated coastal geometries with
narrow straits and many small islands, rugged bottom topography near wide shelves of shal low water, and
massive tidal power input from the adjoining Indian and Pacific oceans, al l combine to form a complex system of
interfering three-dimensional waves.
Surface currents in Indonesia are more strongly influenced by circulation from the Pacific than the Indian Ocean
(see Figure 9). The currents are also greatly influenced by the winds of the prevail ing monsoon, and tend to flow
in the same direction as the prevail ing winds. The northeast monsoon season is general ly from December to
February, and the southeast monsoon season is general ly from June to August, with transition periods in between
(Wyrtki 1 961 ) . Thus, ocean currents change direction (reverse) over large areas twice a year (see Figure 9).
Sea surface temperatures (sst) vary around the archipelago, although the variabil ity is general ly small compared
with other regions (e.g., the tropical eastern Pacific) because of the lack of strong equatorial upwell ing. Sst
general ly ranges from 26 to 29-30oC, and varies in response to seasonal monsoons and associated upwell ing (e.g.,
in the Banda Sea and southern coast of Java), the inflow of water masses from higher latitudes, winds, currents,
and tides. These temperatures extend down to a depth of 25-40m depending on the action of winds, currents,
and tides. Over the shal low Sunda Shelf and Sahul Shelf, this homogenous temperature layer extends to the
bottom.
During the northeast monsoon, mixed oceanic and coastal waters extend from the South China Sea to the
eastern archipelago, pushing the oceanic waters eastward. During the southeast monsoon, oceanic waters from
the Pacific Ocean penetrate far westward, occupying most of the eastern part of the archipelago.
APPENDIX 2
ABIOTIC FACTORS
71
In many locations in Indonesia, marine habitats have been degraded and populations of focal species have
decl ined due to local and global threats (see Status and Threats) . Rehabil itating some of these habitats and
populations may be required for MPA Networks to achieve their goals of enhancing fisheries and protecting
biodiversity in the face of cl imate change. This may require identifying potential areas for rehabil itation in the MPA
Network, where rehabil itation methods are l ikely to be successful and cost-effective based on local environmental
conditions (i.e., depth and current) , good larval supply, low exposure to local and global threats, available
materials and effective enforcement (Fox et al. 201 9).
I t wil l also be necessary to identify appropriate methods required to rehabil itate important habitats and focal
species in these areas. Rehabil itation methods may include effectively managing local anthropogenic threats,
APPENDIX 3
REHABILITATING HABITATS
AND SPECIES
Example of a reef restoration project at Yaf Keru, where the Raja Ampat SEA Centre has instal led over 30 artificial reefs
structures, and transplanted over 5,000 coral fragments to help reefs recover from destructive fishing practices. Images © Raja
Ampat SEA Centre. For more information see: https://birdsheadseascape.com/conservation-science/yaf-keru-reef-restoration-
project-need-raja-ampat-lynn-lawrence/.
BIOPHYSICAL CRITERIA: DESIGNING MPAs AND MPA NETWORKS TO BENEFIT PEOPLE AND NATURE
IN INDONESIA
72
restoring or adding new structures (e.g., coral reefs) , transplanting habitat-forming species (e.g., corals) and
facil itating population recovery of focal species by restocking or using temporary closures (see Allow Time for
Recovery, Fox et al. 201 9).
For example, some important macroinvertebrates (e.g., sea cucumbers and giant clams) need to be in close
proximity to mates for successful fertil ization, and may not reproduce effectively at low population densities
(Kinch et al. 2001 , Purcel l et al . 201 3) . Therefore, restocking or redistributing these and other species may be
required to revive depleted populations in areas showing no sign of recruitment, such as for giant clams or
trochus (Kinch et al. 2001 , Capinpin 201 8).
Hundreds of habitat rehabil itation projects have been undertaken in Indonesia (reviewed in ADB 201 4 and Fox et
al. 201 9). Coral reef rehabil itation efforts have general ly focused on promoting coral colonization on reefs
damaged by destructive fishing practices or increased sedimentation, or promoting reef development where no
reefs existed previously. Reef rehabil itation methods have included providing stable, artificial substrate for coral
recruitment39, promoting chemical processes (Biorock®) and transplanting corals, primarily to increase fish
abundance.
Extensive mangrove rehabil itation initiatives have also been implemented throughout Indonesia, primarily
involving planting seedl ings in Sumatra, Java, East Kalimantan and Sulawesi (reviewed in ADB 201 4). In contrast,
seagrass rehabil itation projects have been l imited, primarily involving seagrass transplantation in the Seribu Islands
and Banten in Java (ADB 201 4).
However, while some of these rehabil itation efforts may have made good progress at the local scale, the impact
of these efforts over a wider area (or on overal l habitat condition in Indonesia) is not known (ADB 201 4). Long-
term monitoring is also required to assess if short-term successes have translated into sustained recovery (Fox et
al. 201 9).
Some rehabil itation efforts can also be high-tech, expensive and require a lot of effort (Fox et al. 201 9) and are
therefore not feasible in many locations in Indonesia, although low-cost, low-tech methods have been used
successful ly in some locations (e.g., in Komodo National Park: see Fox et al. 201 9). Some methods may also not
be effective or necessary (Edwards & Clark 1 998, Edwards et al. 201 5) . For example, coral seeding or
transplantation may be unnecessary in areas where there is rapid colonization by corals from natural recruitment
(Edwards & Clark 1 998).
Rehabil itation is also unl ikely to be effective unless the threats that led to habitat degradation and the decl ine of
populations of focal species in the first place are managed effectively (e.g., see Fox et al. 201 9). Rehabil itation
methods should be used in conjunction with other management tools to address these threats (see Integrating
MPAs within Broader Management Frameworks) .
In summary, it is important to careful ly evaluate the long-term costs and benefits before proceeding with
rehabil itation initiatives to ensure that they are a practical and cost-effective management strategy that is worth
the investment (reviewed in Fox et al. 201 9).
____________________________39 Using a range of materials including rockpiles, designed concrete structures (i.e., Reef Bal lsTM), branching ceramic modules(Ecoreefs®), tires, wood, metal and bamboo (ADB 201 4, Fox et al. 201 9).
73
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The Indonesian Sustainable Ecosystems Advanced
Project (USAID SEA) is a five-year initiative that supports
the Government of Indonesia to improve the governance
of fisheries and marine resources and to conserve
biological diversity at local, district, provincial , and
national levels. USAID SEA is implemented through a
consortium of partners and works in eastern Indonesia
in the provinces of Maluku, North Maluku andWest
Papua. It has assisted to add more than one mill ion
hectares of new and well-designed marine protected
areas across these provinces since 201 6.