Study Shows Declining Survival Rates for Coho and Chinook in British Columbia

Seafood.com reported today (2/10/09) about the study results presented at the biennial Puget Sound/Georgia Basin Ecosystem Conference in Seattle.  The Canadian researcher said that the Chinook and coho in the waters of British Columbia and Georgia Strait have showed a “dramatic and alarming” decline while the survival of pink salmon is increasing.  The new research shows that the survival rate has declined from 10% in 1980′s to 0.5% for coho and from 1% to 0.1% for chinook.  It appears that the deaths are appearing during the first four months while juvenile salmon.  It it thought that factors might include an increase in temperature because of climate changes; less food being available as the ecosystem declines; and ocean conditions to name a few.

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