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Snake River fall Chinook salmon life history investigation, annual report 2007

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Abstract

In 2007, we used radio and acoustic telemetry to evaluate the migratory behavior, survival, mortality, and delay of subyearling fall Chinook salmon in the Clearwater River and Lower Granite Reservoir. Monthly releases of radio-tagged fish (~95/month) were made from May through October and releases of 122-149/month acoustic-tagged fish per month were made from August through October. We compared the size at release of our tagged fish to that which could have been obtained at the same time from in-river, beach seine collections made by the Nez Perce Tribe. Had we relied on in-river collections to obtain our fish, we would have obtained very few in June from the free-flowing river but by late July and August over 90% of collected fish in the transition zone were large enough for tagging.

Study Area

Publication type Report
Publication Subtype Other Government Series
Title Snake River fall Chinook salmon life history investigation, annual report 2007
Year Published 2009
Language English
Publisher Bonneville Power Administration
Contributing office(s) Western Fisheries Research Center
Description v., 85 p.
Country United States
State Idaho, Washington
Other Geospatial Clearwater River, Snake River
Google Analytic Metrics Metrics page
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