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Climate warming may have unexpected impact on invasive species, Dartmouth study finds
Date:8/7/2014

emperatures. The sunfish's increased appetite disproportionally benefits the non-native crustacean because it has more effective defenses against fish predation -- hence its "release" from this particular enemy -- than the native crustacean.

The results suggest that warming temperatures can affect the strength of "enemy release," which will alter the success of invading species. "But the direction of this effect depends on the physiology of the species present. As such, warming could increase or decrease the strength of 'enemy release' depending on the organisms that exist in a given location," says the study's lead author Samuel Fey, a visiting scholar at Dartmouth and a postdoctoral fellow at Yale University who recently received a Ph.D. from Dartmouth's Ecology and Evolutionary Biology program.


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Contact: John Cramer
John.Cramer@Dartmouth.edu
603-646-9130
Dartmouth College
Source:Eurekalert

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