Category Archive: Creature Features

Jan 27

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/

Jan 24

A Super Highway for Aquatic Invaders

The system of locks and canals that allowed ships to bypass Niagara Falls suddenly created a path for invasive species. Tune in to this highway of info: When locks and canals began allowing ocean-going vessels to by-pass Niagara Falls, they did more than open new trade routes to the west. Suddenly… Campbell: “Things like sea …

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Permanent link to this article: http://www.currentcast.org/industrial-and-corporate-water-use/a-super-highway-for-aquatic-invaders/

Jan 13

A Salamander Hell-Bent on Clean Water

Hellbender salamander populations are declining because of poor water quality. Bend your ears to this: At more than one-foot long, the Hellbender salamander is the largest in North America. Flat, brown, and wrinkled, it has lived at the bottom of streams and ponds for millions of years. But that legacy is threatened, as hellbender populations shrink  Conservationist …

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Permanent link to this article: http://www.currentcast.org/marine-debris/a-salamander-hell-bent-on-clean-water/

Jan 07

Fish Talk

Scientists listen in on a world of underwater sound. Listen up: When Aaron Rice eavesdrops on a conversation, he hears plenty of pops, purrs, clicks and grunts. As Research Associate at the Bioacoustics Research Program at Cornell University, he listens to fish. The sounds usually have something to do with aggression or reproduction – and …

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

Nov 29

Fishy Business

How much sustainably caught fish comes out of the Great Lakes each year? We cast around for answers—and caught ’em. Listen up: Throughout history, people have been hooked on fishing the Great Lakes, from Native Americans in birch bark canoes to commercial fishermen in modern boats. A century ago, nearly 150 million pounds of fish were …

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Permanent link to this article: http://www.currentcast.org/water-and-the-economy/fishy-business/

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