Feds battle Asian carp invasion in the Great Lakes

In another attempt to locate the potential threat of Asian carp in the Great Lakes, officials began dumping approximately 2,000 gallons of the organic fish poison Rotenone yesterday into a two-mile stretch of the Calumet-Sag Channel, about seven miles west of Lake Michigan. The aim is to kill and count any invasive carp potentially lurking in the waterway as proof that these fish are spreading into Lake Michigan.

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Look out for Loners

This post contributed by Nadine Lymn, ESA Director of Public Affairs   Personality traits that lead an individual to want to avoid crowds could actually be playing a role in biological invasions, says a recent study that appeared in the Proceedings of the Royal Society Biological Sciences.  Julien Cote and colleagues at the University of California at Davis looked at the personality traits of the mosquitofish, Gambusia affinis and...

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