InVEST Case studies

Nirmal BhagabatiEmily McKenzie

Outline

• Colombia– Water funds– Permitting, mitigation and offsets

• China– Land-use planning

• Virungas: Uganda, Rwanda and DRC– Advocacy & awareness-raising

• If we have time and interest: Hawaii & Tanzania

China

Tanzania

InVEST demo applications

Hawai’i

• Test InVEST with field partners and experts• Ensure useful, relevant• Refine models

Colombia & Ecuador

California

Growing number of sites

Mekong

AmazonAlbertine

Rift

Puget Sound

Mexico

Borneo &Sumatra

Vancouver Island

Colombia

Cauca Valley Water Fund, Colombia

• Water fund investments

• TNC-ecosystem service payments to fund conservation

• Prioritize investments

Water For Life Water Fund

Maintain consistent water flows necessary for drinking water, biodiversity and agriculture through a coordinated strategy.

Committee:Watershed AssociationsSugar Cane AssociationsThe Nature ConservancyVallenpaz (local NGO)

Water For Life Water Fund

Linea BaseBoundary Scenarios - CIAT

No Water Fund

Current Landscape

Degraded ForestWaterParamoDeciduous ForestPastureWooded pastureMixed agricultureSugar caneRangelandSuburbanMinesUrban

With Water Fund

Legend

wyield_no

Value

High : 1004.07

Low : 164.16

No Water Fund

With Water Fund

Legend

usle_no

Value

High : 75.7051

Low : -194.466

Change

Annual Water Yield (mm/yr)

Annual Erosion (tons/ha/yr)

Demonstration Scenarios - CIAT

1005

164

Legend

wyield_no

Value

High : 1004.07

Low : 164.16

1005

164

-837 0213246266838

76

0

Legend

usle_no

Value

High : 75.7051

Low : -194.466

9

0

-70 -2-1.5-1.1013

Priority Areas for Investment

Priority Areas for Investment

Stable ErosionDecreased Yield

Priority Areas for Investment

Stable ErosionDecreased Yield Improved Erosion

Greatest Improved Yield

• Identify priority investments:– realistic scenarios for each basin– biodiversity portfolio– climate change

• Make investments!– Monitor and iterate

Next Steps

• Science-policy links strong

• Science gaps– Impacts of alternative management actions on services

and biodiversity– Simple sub-annual water yield model that differentiates

surface and groundwater

• Capacity– Committee relying on outside expertise and technical

capacity

Lessons

Colombia

Cesar Department, Colombia

• Permitting and Licensing

• Ministry expanding requirements to include biodiversity and ecosystem services

• Demonstrate approach with coal mining sector

Services of interest:

Water quality (Tier 1 nutrients and sediment)

Water yield (groundwater and surface)

Cesar Department, Colombia

Current Landscape

Demonstration Case Scenarios

12,000 km2

Permits Granted Permits Requested All Permit Blocks

Beneficiaries

12,000 km2

Permits Granted Permits Requested All Permit Blocks

Areas that provide the same service to the same people

Service Sheds

Change in sediment export(t/ha/yr)

390

0

Erosion ImpactPermits Granted Permits Requested All Permit Blocks

Rank Per Area Total Impact

1-55-99-1313-17

Rank By Total Impact

Permit blocks ranked by erosion and nutrient pollution per unit area

6 mines can be offset to same beneficiaries with no ratio

Permits with Potential for Mitigation

More Aggressive Restoration

Conservation priority areas for restoration

• Define mitigation ratio

• Summarize impacts and options

• Present framework to Ministry and train technical team

Next Steps

• Science-policy links strong

• Science gaps– Simple water yield model that differentiates surface and

groundwater– Data availability (aquifers, retention rates)

• Capacity– Will train Ministry staff (sustainable?)

Lessons

China

Baoxing County, China

• Land-use planning

• Ecosystem Function Conservation Areas

• Large scale payment schemes

Biodiversity

Taxus yunnanensis Yunnan snub-nosed monkey

Yunnanensis Common Crane

How InVEST can help policy

What InVEST can help:

Identify/map key ES regions with simplified procedure and fewer data.

Provide spatial/visualized results for government agencies’ decision-

making.

In an effort to further increase the benefits of these measures, with the help of

GEF/UNEP, the GOC plans to implement an Ecosystem Function Conservation Areas

(EFCAs) program both in regional scale and local scale.

Background• As part of its efforts to reduce floods in the Yangtze River basin, The Government

of China (GOC) is implementing a series of soil and vegetation conservation programs in the upper Yangtze River basin.

Natural Forest Protection Projects

Grain for Green Project

Shelter Forest System Project

Background--Overview of Baoxing County

210 km to chengdu3114 sq kmPopulation 50,000multinational  place

Baoxing Landuse Types

Forest land : 69.2%

Native grass: 20.6%

Crop land : 2.32%

Town and residential:0.78%

Biodiversity

Red panda

Davidia involucrata

Musk deer

chinese monal

Giant panda

429 species of vertebrates, including 17 first-class protected, 51 second-class protected

3,000 plants among which 8 species have been listed as National First Class Protected Species (I), 20 as National Second Class (II)

How InVEST can help policy

County government situation• Sustainable Master planning • Payment for Ecosystem service,

especially for Yaoji hydropower station, carbon salling

• Tourism/infrastructure/mining development planning

GEF project background – demo site for local scale EFCACCICED task force – case study

Ecosystem service Model A : Water yield

Error: 4.4% with the observed data.Results were varying with the Parameter of Zhang_cteDefault: 9.433Input: 4.433

Ecosystem service Model B : Water Retention

Error :11.3% with the observed base flow from Nov to March.

Ecosystem service Model C : Soil Retention

• Result of model: t/sq km, • Observed data: t/ sq km• Modification: use different

equation for LS factor in different slope.

• Threshold: 30%

For low slope<30%:

For high slope>30%:

Sheet erosion

Gully erosion

Ecosystem service Model D : Pollution control

less pollution in BaoxingAdd precipitation layer or through flow layer

Ecosystem service Model E : Biodiversity

• Data prepare: threat source including cropland, roads, mine

• The result is agree with our knowledge about baoxing

• species and habitat size and location should be take in account

Ecosystem service Model F : Carbon

• Hard to get the current and future harvest rate

• Soil carbon data only related with soil types not with land use types

Ecosystem service Model G : Pollination

Application for EFCA Mapping

Biodiversity

Species database maps (CAS, 2007)

Ecological Function Maps -Water Retention- Soil Retention- Carbon Storage InVEST

Demand Information-Hydropower/irrigation/flood

mitigation/etc- Land production/sediment reduction- Carbon sequestration Estimate

relative demand. Circle high contributing areas

Draft EFCA map

Overlay

Application of Results

Albertine Rift

• Advocacy

• Awareness & education

• Trans-boundary context

Albertine Rift: Uganda, Rwanda & DRC