How PIT Tagging Helps Detect Hidden Mortality in Fish Populations

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2025-09-05 07:44:25 -

The epic journey of a migratory fish, such as a salmon or a sturgeon, is a marvel of nature. But for conservationists and fisheries managers, it has long been a frustrating puzzle. They know that millions of young fish leave their spawning grounds, and only a fraction of them return as adults. The big question has always been: where did they go, and why did they die? The sources of...

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