News tagged with wild fish
Scientists worry North Pacific salmon may run out of food
With the number of salmon in the North Pacific having doubled in the past 50 years, scientists are increasingly concerned there may not be enough food to support them, and changing ocean conditions could make it even worse.
Nov 28, 2010 |
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Averting the perfect storm for wild salmon
We hear so much about missing wild salmon and recently a record run. But Simon Fraser University scientists say a population explosion of hatchery and wild salmon in the North Pacific Ocean is leading hatchery fish to beat ...
Oct 04, 2010 |
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A new chemical method for distinguishing between farmed and wild salmon
Wild salmon and farmed salmon can now be distinguished from each other by a technique that examines the chemistry of their scales.
Sep 30, 2009 |
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Hatchery fish may hurt efforts to sustain wild salmon runs
Steelhead trout that are originally bred in hatcheries are so genetically impaired that, even if they survive and reproduce in the wild, their offspring will also be significantly less successful at reproducing, according ...
Jun 10, 2009 |
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