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Massive collapse of Atlantic cod didn’t leave evolutionary scars – Science Magazine

Despite overfishing, robust genetic diversity remains intact and provides hope for recovery

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Atlantic cod in 1952, before overfishing collapsed Canadian populations
Peter Stackpole/The LIFE Picture Collection via Getty Images
By Erik StokstadApr. 7, 2021 , 4:45 PM
Atlantic cod was once one of the most important fish species in the world. The big, long-lived predator helped feed Europe and North America for centuries. But decades of overfishing in the mid20th century caused populations to crash, wiping out 30,000 jobs in Canada alone and financially devastating many coastal communities.

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