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North American Freshwater Fishes Race to Extinction
date:Aug 14, 2012
unique populations, have gone extinct since 1898, about 3.2 per cent of the total. Freshwater species generally are known to suffer higher rates of extinction than terrestrial vertebrates.


Extinctions in fishes are mostly caused by loss of habitat and the introduction of nonindigenous species. In North America, there are more freshwater fish species in a typical drainage to the east of the Great Continental Divide than to the west, where a greater proportion of species have gone extinct or ar

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