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Artificial beaver dams boost juvenile coho salmon survival from 8% to 60%

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Artificial beaver dams installed in California waterways have dramatically improved survival rates for juvenile coho salmon, rising from 8% to 60%. The structures mimic the natural dams built by beavers, creating slower, deeper water pools that provide critical habitat for young fish. Coho salmon, a species under significant conservation pressure, depend on cool, stable stream conditions during their early life stages. The findings highlight how nature-inspired engineering interventions can play a meaningful role in wildlife restoration efforts.

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Artificial beaver dams boost juvenile coho salmon survival from 8% to 60% · ShortSingh