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E-M:/ big haul out of Grand Traverse Bay: algae

Enviro-Mich message from "Dave Dempsey" <davedem@hotmail.com>

A tall ship used to gather fish for an education program about the Great Lakes is finding that its heaviest haul so far this spring is a slimy green algae.

"We've been getting more algae in recent years, but never this much," Kelly told the Traverse City Record-Eagle for a story published Sunday. He said the amount of spirogyra clogging the Manitou's nets is "a dramatic increase" from last year.

The Michigan Department of Environmental Quality has asked that a $60,000 "emergent threat" grant be awarded to Grand Valley State University to study algae growth in Grand Traverse, Little Traverse and Saginaw bays. Saginaw Bay has been seriously affected by spirogyra and other types of filamentous algae that grow on the lake bottom, frequently break off, float to the surface and form decaying mats in the water that may eventually wash up on beaches.


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