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Steelhead stock status in Idaho 2008 update

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1 Steelhead stock status in Idaho 2008 update
Alan Byrne Idaho Department of Fish and Game 600 South Walnut Street Boise, Idaho 83707

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4 Steelhead escapement at upper dam
Proportion of total run that is wild has declined since early 1960’s. In 1960’s wild fish made up > 95%; in 1970’s about 60%; in 1980’s about 33%; in 1990’s about 14%; and since 2000 about 15% of the total run. Idaho Power hatcheries began smolt releases in mid-1960’s. Dworshak NFH in 1970.

5 Proportion of wild fish at upper dam

6 Steelhead escapement and harvest
Sport harvest is in Idaho only. Does not include harvest in WA & OR waters.

7 Chinook salmon escapement and harvest
Harvest is Idaho sport harvest only. Does not include OR/WA sport harvest or tribal harvest.

8 Need for pop specific data in the ESA world.


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