Environmental assessment on protecting winter-run wild steelhead from predation by California sea lions in the Lake Washington Ship Canal. NMFS/WDFW Environmental Assessment Report, Seattle, Washington.

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Citation: National Marine Fisheries Service and Washington Department of Fish and Wildlife., 1995. Environmental assessment on protecting winter-run wild steelhead from predation by California sea lions in the Lake Washington Ship Canal. NMFS/WDFW Environmental Assessment Report, Seattle, Washington.. ps 107 pp.
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Summary:

Pyrotechnic seal bombs do not deter sea lions from locks in Washington, over time.
Field Studies:
Location Fishing gear Reduction technique Bycatch species Effect on bycatch species Catch Effect on target catch Type
Washington State   Pyrotechnics Pinnipeds Did not deter sea lions Trout In the wild