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UVic-linked study finds humans speeding up freshwater mammal extinction

Three in four freshwater mammals facing threats from expanded human activity
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Increased aridity is one of the human-induced factors accelerating the extinction of freshwater mammals, according to a new study co-authored by a University of Victoria ecologist. Pictured is cracked earth is visible in an area once under the water of Lake Mead at the Lake Mead National Recreation Area, Friday, Jan. 27, 2023, near Boulder City, Nev. Amid a major drought in the Western U.S., a proposed solution comes up repeatedly: large-scale river diversions, including pumping Mississippi River water to parched states. (AP Photo/John Locher)

Whether it’s forests being felled for monoculture crops or development encroaching on habitats, a new study highlights how human activity is causing freshwater species to be wiped out at a faster rate.

The study found 43 per cent of mammals dependent on the rivers, streams and lakes that make up freshwater systems are threatened and three in four of them globally face threats from the expansion of human activity.

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