From the Minneapolis Star Tribune:

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. Read More.