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Coho Reintroduction in the Upper Columbia: Using Adaptive Management to Achieve Success

Coho Reintroduction in the Upper Columbia: Using Adaptive Management to Achieve Success. Fisheries Resource Management Yakama Nation. Long Term Vision For Coho Reintroduction. “To re-establish naturally spawning coho populations in mid and upper Columbia

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Coho Reintroduction in the Upper Columbia: Using Adaptive Management to Achieve Success

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  1. Coho Reintroduction in the Upper Columbia:Using Adaptive Management to Achieve Success Fisheries Resource Management Yakama Nation

  2. Long Term Vision For Coho Reintroduction “To re-establish naturally spawning coho populations in mid and upper Columbia tributaries to biologically sustainable levels, which provides significant harvest in most years”

  3. Upper Columbia Tributaries • Historical Abundance (Mullan 1983) • Wenatchee: 6,000-7,000 • Entiat: 9,000-13,000 • Methow: 23,000-31,000 Coho Salmon Methow River 1910, Mullan (1992)

  4. Project Undertaking: An Uphill Battle • Challenges and limitations • Identify evaluations needed to study interactions with endemic and sensitive species

  5. Feasibility Study Goals • To determine if a local broodstock could be developed from lower Columbia River stocks • Initiate natural production • Answer critical uncertainties regarding species interactions.

  6. Broodstock Development

  7. Broodstock Development

  8. Natural ProductionWenatchee River Basin 2009-2011 Creating 4thgeneration MCR broods 2003-2005 Creating 2ndgeneration MCR broods 2000-2002 Creating 1st generation MCR broods 2006-2008 Creating 3rdgeneration MCR broods

  9. Natural ProductionMethow River Basin 2010-2011 Creating 3rdgeneration MCR broods 2007-2009 Creating 2ndgeneration MCR broods 2001-2006 Creating 1st generation MCR broods

  10. Natural ProductionSmolt to Adult Return Rates

  11. Feasibility Phase Species Interactions • Predation • Redd superimposition • Residualism • Competition

  12. Feasibility PhaseNext Step • Create a comprehensive long-term plan for coho reintroduction • Progress brood development towards “preferred habitats” • Modeling to determine estimate capacity • Focus on decreasing domestication while increasing population fitness • Target PNI > 0.5

  13. Proposed Phased ApproachAn adaptive management strategy to reintroduction • Broodstock Development Phases • Natural Production Phases

  14. Monitoring and Evaluation • Project Performance Indicators • Species interactions • Adaptability to local conditions

  15. Program’s Future • Several studies being implemented: • Monitor natural origin juvenile freshwater performance • Productivity • Distribution • Study the rate of divergence between LCR vs MCR • Allele frequency over time • Phenotypic adaptation • Adult outplant study • Relative reproductive success • Measuring phenotypic attributes of upper basin adults at a lower trap facility • Parental Crosses • Measure progeny’s adult return rates based on mating schemes

  16. Key Milestones • March 2010: Final Master Plan completed • March 2012: Completed the Final Environmental Impact Statement (FEIS) • July 2012: Received a Record of Decision (RoD) from BPA • Fall 2012: RevisingBiological Assessments (BAs) with USFWS/NMFSto initiate Section 7 consultations • Fall 2013: Begin Natural Production Implementation Phase (NPIP) in the Methow subbasin

  17. Project Benefits • Provide increased cultural and socio-economic value to the region • Opportunity to study the local adaptation process and at what rate it can occur • Supplying marine nutrients at the onset of winter • Increase abundance of a keystone species within ecological communities

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