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Dwindling waterways challenge desert fish in warming world

One of Arizona’s largest watersheds – home to many native species of fish already threatened by extinction – is providing a grim snapshot of what could happen to watersheds and fish in arid areas around the world as climate warming occurs.

New research by University of Washington and Ohio State University scientists suggests that, by 2050, the Verde River Basin in Arizona will have up to one-fifth more streams dry up each season and at least a quarter more days with no water flow, a problem when fish are trying to reach spawning habitats and refuges where water still remains. (more…)

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