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Fish Factor

 


Alaskan salmon producers are not buying the presumption that growing numbers of pinks are eating too much food in the ocean, causing sockeye salmon to grow slower and smaller.

That’s the claim of a new study by Seattle and British Columbia researchers, who say the race for food ultimately affects sockeye abundance and survival.

“Our data sets extend up to 55 years each. In terms of looking at productivity or survival of salmon, they’ve included 36 sockeye populations,” said Greg Ruggerone, a researcher at Natural Resources Consultants in Seattle and study co-author.

The project was...



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