TRAVERSE CITY, Mich. (AP) — Federal grants will support stepped-up research into ways to prevent invasions of the Great Lakes by foreign animal and plant species, with special emphasis on refining techniques that detect their DNA in the water, officials said Tuesday.

The U.S. Environmental Protection Agency said it was distributing $8 million among 21 universities and nonprofit organizations for invasive species research studies. In addition to warding off future attacks, the projects will develop alarms to signal when invasions are starting and new methods of controlling those already under way.

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