Category Archive: Biodiversity

Aug 16

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/

Aug 05

Protecting birds on the ground and in the air

The western Lake Erie basin is an important stopover site for migrating songbirds… and that means development in the region can impact our feathered friends. Shieldcastle: “It’s a constant vigilance and concern. For birds, not only is the habitat a concern, but you know structures.” That’s Mark Shieldcastle of the Black Swamp Bird Observatory in …

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Permanent link to this article: http://www.currentcast.org/development/protecting-birds-on-the-ground-and-in-the-air/

Aug 02

A conservation effort that’s all it’s quacked up to be

In an agricultural area of Ann Arbor, Michigan, a group of organizations has been helping one landowner restore about a hundred acres back to its native state – a mix of grassland prairie and wetlands. Ducks Unlimited’s Jason Hill says restoring the wetlands required little more than removing dams and drainage systems. Hill: “The wetland seed …

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Permanent link to this article: http://www.currentcast.org/location-profiles/a-conservation-effort-thats-all-its-quacked-up-to-be/

Jul 31

Backtracking Birds

Why shorelines are stopover sites:   Each spring and fall, tens of millions of birds migrate through the Great Lakes region. Jeffrey Buler of the University of Delaware says many species prefer to travel at night. In a recent study, he found that if birds were still out over the Great Lakes at sunrise, they …

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Permanent link to this article: http://www.currentcast.org/creature-features/backtracking-birds/

Jul 29

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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