Category Archive: Sustainable Fisheries

Feb 15

Grass carp putting down roots

There are extensive efforts underway to keep invasive Asian carp out of the Great Lakes. But one variety has already been popping up there for over 30 years. For decades, people have used sterilized grass carp to control pond vegetation. Over time, some of those fish have escaped to the Great Lakes. Because they could …

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Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/grass-carp-putting-down-roots/

Feb 04

Oil and water in the Straits of Mackinac

Every day, about 20 million gallons of oil travel through an underwater pipeline at the narrow passage that connects lakes Michigan and Huron. “There’s a lot of concern that this line could rupture,” says Mike Shriberg of the National Wildlife Federation, which helps organize the Great Lakes Business Network. It’s a coalition of more than …

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Permanent link to this article: http://www.currentcast.org/toxic-contamination/oil-and-water-in-the-straits-of-mackinac/

Jan 29

Breakwalls do more than protect harbors from waves

In the Milwaukee Harbor, a 500 foot section of breakwall has been re-designed to support fish. It’s made of huge boulders that fish can hide between. Then it’s covered by a layer of smaller rocks that create habitat for prey. John Janssen of the University of Wisconsin, Milwaukee studies life on this breakwall. He’s found …

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Permanent link to this article: http://www.currentcast.org/green-infrastructure/breakwalls-do-more-than-protect-harbors-from-waves/

Jan 23

Mapping What Lies Beneath

The city of Milwaukee is working to transform its industrial harbor into a bustling waterfront district that attracts anglers, boaters, and wildlife lovers. “But not a lot of people know exactly what’s going on underneath the water,” says Brennan Dow. While a graduate student at the University of Wisconsin-Milwaukee, Dow was part of a project working …

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Permanent link to this article: http://www.currentcast.org/development/mapping-what-lies-beneath/

Jan 22

Some big fish to fry in midwestern rivers

Bighead and silver carp can grow up to four feet long and gobble up food that native fish rely on. These invasive fish are in the Mississippi, Missouri, and Illinois rivers. And if they get into the Great Lakes, they could do enormous damage. John Dettmers, of the Great Lakes Fishery Commission, says one strategy …

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Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/5040/

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