Tag: hatchery salmon
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Just one generation in a salmon hatchery ruin salmon for thriving in the wild
Most people know the inspiring story of the salmon. Hatched in the gravel of a rushing mountain stream, the smolts are pulled by the waters downstream past logjams, lethal crevices in the rock, and sometimes into side pools from which there is no escape. Mile-after-mile, sometimes many hundreds of miles, the river grows but nowadays…
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Hatch-22: The Problem with the Pacific Salmon Resurgence
More salmon but more of them are of hatchery origin The proportion of hatchery versus wild Pacific salmon has risen to 1 in 5 with an overall production of 5 billion smolts produced annually, up from just 500 million in 1970. There are problems which stem from this. For imperiled salmon, the competition and genetic…