Category Archive: Sustainable Fisheries

Jul 31

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/

Jul 25

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/

Jul 24

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/

Jul 06

Mapping Endangered Fish in Illinois

Counting endangered fish is the first step towards protecting and improving their habitats. Dive in: One fish, two fish, red fish, blue fish…research biologist Phillip Willink, PhD, of the Shedd Aquarium is counting endangered and threatened fish. From there to here, from here to there, he’s also mapping their distribution throughout Chicagoland waters. He’s doing …

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Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/endangered-fish-count/

Jun 22

Lake trout stocking

A fishy tale: In the 1800s, lake trout were abundant in Lake Superior. Then, in the early to mid 1900s… Hansen: “… populations began to decline rapidly.” That’s biologist Michael Hansen. He says overfishing and predatory invaders known as sea lampreys were to blame. By the time an effective way to control lampreys was discovered, …

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Permanent link to this article: http://www.currentcast.org/water-and-energy/lake-trout-stocking/

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