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Study shows precipitous drop in US global migratory fish populations / Public News Service

A new World Wildlife Fund study shows since 1970, more than 80% of the global populations of freshwater migratory fish have declined significantly. The report calls developments in its Living Planet Index "distressing," and faults habitat loss and degradation. It says factors like river fragmentation due to dams, and agricultural encroachment, account for half of the threats. .

Migratory freshwater fish populations down by more than 80% since 1970 | Fish

Report Reveals Catastrophic Decline of Migratory Fish

Report Reveals Catastrophic Decline of Migratory Fish
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