columbia river basin fish and wildlife program annual ...

PROJECTNUMBERTITLEPROJECT STATUSSCHEDULE AND MILEmNES82-12 Developing a Predation Indexand Evaluating Ways to ReduceSalmonid Losses to Predationin the Columbia River Basin- DDFWProiect Officer: W. MaslenDbjectives:uate squawfniques.Develop and evalshharvest tech-Date initiated: 1983Results/Conclusions: An index forestimating abundance of squafish wasrefined, for use in combination withthe consumption index (Project 82-3) todetermine the significance of predation.A plan was developed for step-wiseimplementation of commercial and sportreward fisheries on squawfish on asystem-wide basis (Project 90-77).FY 1991 and beyond: Additional development ofsquawfish harvest techniques are planned.83-319 Passive Int:e&grated Transponder(PIT) Tag Research - NMFSProiect Officer:Obiectives:D. Johnson1. Determine the biologicalfeasibility of injecting salmonand steelhead with PIT tagsfor passage and monitoringresearch activities.2. Determine biological andengineering feasibility of adultand smolt salmon and steelheaddetection facilities for passagemonitoring and research activities.Date initiated: 1983 1. FY 1991: BPA will fund the project throughResults/Conclusions: All data to dateshow that there are no biologicalproblems with the PIT tag. The detectionto completion.Biological studies are essentiallycomplete, and monitoring hardware continues to bedeveloped.systems and monitorings continue to be 2. Continuing: Contractor will finalize biologicalimproved and are working extremely well. studies and equipment development and provideAdult chinook salmon with PIT tags havebeen detected at Lower Granite Dam.evaluation reports annually.