Thursday, February 19, 2009

Mussels destroying link in Lake Michigan food web

By JOHN FLESHER , Associated Press

TRAVERSE CITY, Mich. - A tiny, shrimplike creature that forms a crucial link in the Great Lakes food web has all but disappeared from Lake Michigan because of competition from invasive foreign mussels, scientists reported Wednesday.

Observations over a decade have documented a 96-percent drop-off of the amphipod species known as diporeia, according to scientists with NOAA's Great Lakes Environmental Research Laboratory in Ann Arbor. [Full Story]


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