Author: Stephanie Parker / Source: Science News
North America’s fox squirrel, the venomous striped eel catfish (SN: 4/29/17, p. 28) and 64 other species are now considered invasive threats to existing species in the European Union, scientists report online on December 12 in Global Change Biology. Emphasis on the word ‘threat.’ None of these organisms have been found yet in the EU, except for in captivity.
The goal in listing and evaluating invasive threats is to prevent these species from ever crossing EU borders and establishing themselves, says coauthor Helen Roy, an ecologist at the Centre for Ecology and Hydrology in Wallingford, England. Roy and colleagues whittled…
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