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Hatchery fish outnumber wild chinook salmon in troubled fall run
Date:4/3/2008

ortality was a key factor in population declines, we would expect to see hatchery and wild populations responding differently."

Barnett-Johnson plans to use the otolith technique to track changes in the composition of the salmon population over time. Unfortunately, because her research depends on a collaboration with commercial fishermen, the possible closure of the fishery this year may mean that she will not be able to get any salmon otoliths to analyze.

"At a time when we really need more information on the status of wild populations, a complete closure would mean I can't conduct my research to provide this estimate," she said.


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Contact: Tim Stephens
stephens@ucsc.edu
831-459-2495
University of California - Santa Cruz
Source:Eurekalert

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4. Understanding, combating foodborne pathogens E. coli 0157 and salmonella
5. Salmonid hatcheries cause stunning loss of reproduction
6. New paper examines dams effects on California salmon
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