UN warns number of migratory freshwater fish is increasing dramatically
Atlantic salmon (Salmo salar) rest in a retention pond during spawning migration upstream, Quebec, Canada, in this undated photo. — Reuters/File Populations of migratory freshwater fish, essential to the health of rivers and maintaining the livelihoods of millions of people, are plummeting and at risk of collapse, a major UN assessment warned on Tuesday. Habitat […]
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