pier-efp update agenda item f.2.a supp dsbg ppt …€¦ · pier-efp update provide progress report...
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PIER-EFP updateProvide progress report for PIER-DSBG-EFP
Research history and progress to date
2015 EFP findings
Ongoing and proposed research
Chugey Sepulveda, PhDScott Aalbers, MS
Agenda Item F.2.aSupp DSBG PPT
March 2016
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PIER - DSBG Research HistoryPhase IPIER award to design and test deep-set buoy gear (harpoon supplement)
(DSBG) in Southern California (NOAA-Saltonstall-Kennedy 2011; GTP)
Phase IIInvestigate alternative DSBG configurations that may
increase efficiency and reduce potential for gear loss(NOAA-Bycatch reduction and Engineering Program: 2013)
Phase IIITesting DSBG with cooperative fishers in the SCB
(Bycatch reduction and Engineering Program: 2013-2014;Pew Charitable Trust: 2014; FishWise, GTP)
Nocturnal shallow-set buoy gear experiments (Ongoing)(Saltonstall-Kennedy: 2014; Pew Charitable Trust: 2014)
Expanding DSBG and designing a linked configuration (Ongoing)(Bycatch reduction and Engineering Program: 2015-2016)The Nature Conservancy; Pew Charitable Trust: 2016
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All Federal awards included:
NOAA WCR consultation & collaborationEnvironmental AssessmentProtected Resource Division ConsultationNEPA clearance
Inclusion of mandatory bycatch mitigation measures
PFMC Management Team updates
We also included language in the Department SCP amendments for each study
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Time of Day5 am 10 am 8 pm3 pm
Gear design based on depth distribution of target and bycatch species
DGN Harpoon
Deep-setting
Swordfish Daily Depth Distribution
DGN Thermocline
Data modified from Sepulveda et al., 2010
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Gear Experiments designed to avoid bycatch
050
100150200250300350400450
19:12 20:24 21:36 22:48
Below thermocline in <1 minuteAt depth in <4 minutes
Leader lengths
Light source
Buoy configuration
TimeD
epth
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PIER-DSBG Design
Modified from Sepulveda et al., 2015
Rapid sink rateConsistent fishing depthServiceabilityHigh swordfish selectivity
Using only 10-30 hooks
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Strike indication systemunique to DSBG
White float rises to the surface when a fish is on the line
Flashing strobe prevents gear loss
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2015-2016 PIER DSBG-EFP
Initiate DSBG EFP using 5 cooperative fishers (only 4 fished in 2015-2016)
start date of 9/2016
Research application does not contribute to EFP catchNo Sale or DonationTagging or research samples only
Per Council recommendation
Minimum of 30% observer coverage mandateon cooperative vessels (we had 45%)
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PIER’s role in the EFPPIER EFP Responsibilities:• Conduct gear experiments• Oversee all PIER EFP-related activities • Manage observer placement• Report to Council• NO sale or donation of fish caught on PIER RV
Cooperative fishers working with PIER:• Deploy gear• Maintain logbooks• Call in to DFG & NOAA• Report daily to PIER • Maintain observers• Take fish to market
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2015-2016 EFP- Observation costs
Total observer costs for 2015-2016 were ~70k(Saltwater Inc.)
Observer costs include -training, communicationroom and board, travel
Funding Sources: Pew Charitable TrustNOAA/PSMFCGeorge T. Pfleger Foundation
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Observer Placement Criteria
Mandatory if vessel falls under 35% coverage
Observer (DGN or DSBG) must be onboard if DSBG& DGN gear is fished on the same trip.
All vessels call in and out to PIER, DFW and NOAA
All catch is reported to PIER daily (sat phone or radio call in)
Confirmed with logbooks
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2015-2016 EFP Observer Coverage
Four cooperative fishers performed 107 8hr sets(Vessels fished from 11 to 39d; total d=138)
45%55%
2015-16 PIER DSBG EFP Observer Coverage Rate
# observed sets# unobserved sets
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EFP results to date
• 107 8h fishing days
• ~10 sets deployed each day
• 1-3 hooks/buoy
• 0 pieces of lost gear
• Catch rates range from 0.6 to 1.6 fish/8hr(average 1.3 fish/8hr)
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Vessel #trips Days(8h) SF total
Gold Coast 12 33.4 43Chula 13 38.7 53Spirit 4 11.2 73Boys 9 24.2 39
2015 Total 38 107.5 142
Breakdown of EFP swordfishCatch by vessel
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1
4
2
5
69
142
0 20 40 60 80 100 120 140 16
Elephant seal
Blue shark
Opah
Escolar
Big-eyethresher
Swordfish
97% marketable
<3% bycatch with live release
2015-2016 Total EFP Catch
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How does EFP catch compare with previous years?
Swordfish catch/8hr has ranged from0.5 to 1.75 fish/8hr across all years
Catch/8hr day % Marketable Catch2012 ~93%2013 ~1.0 ~94%2014 ~0.65 to 1.75 ~96%2015 ~ 0.6 to 1.6 ~97%
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2016 DSBG EFP Game Plan
• Initiate fishing in May/June
• Continue market outreachpresentations, brochures
• Tracking catch- traceability tagsFish tag # will correspondwith logbook and can be traced to the vessel via project website
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2016 Next Steps (research vessel only)
Linked Buoy Gear (NA15NMF4720380)
Test larger-scale deep-set operations that are:
1) Serviceable2) Fished during the day3) Low-incidental and bycatch4) Based on similar DSBG principles
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2016 Next Steps (research vessel only)
Linked Buoy Gear (NA15NMF4720380)
Goals are to expand buoy gear concept to:
1. Increase horizontal footprint2. Increases hook count 3. Provides comparable catch to that of the DGN4. Provide options for larger vessels 5. Provide option for offshore fishing
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Attributes that distinguish the PIER Linked Buoy Gear (NA15NMF4720380) from traditional longline
PIER LBG Traditional longlineHorizontal footprint 3 to 5 nm 40-50 nm Hook count 30-50 600-1,000Tending Active tending Overnight soak / no tendingHook depth Below 250m SurfaceTime of set Day NightStrike detection Yes NoServiceability Yes NoWeighted vertical legs Yes No
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Acknowledgements & Support
Saltonstall-Kennedy Grant ProgramCooperative Fisheries Grant ProgramSouthwest Fisheries Science CenterBycatch Reduction and Engineering Program
California Fisheries Research Grant ProgramPew Charitable TrustGeorge T. Pfleger FoundationThe Nature conservancySanta Monica SeafoodNOAA WCR & CA DFW
NOAA