Tag Archive: invasive species

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/

Jul 10

Too Little Phosphorus

The lowdown on phosphorus levels… Listen up: Mussels are great water filters, but too many can do more harm than good. Excess phosphorus is a problem in many parts of the Great Lakes. But in Saginaw bay, invasive mussels are removing so much that there’s not enough making its way to the deep waters of …

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Permanent link to this article: http://www.currentcast.org/biodiversity/too-little-phosphorus/

Jun 13

European Frogbit

A bit about European Frogbit: European Frogbit  may look beautiful – like tiny, white water lilies floating on the edges of ponds and slow-moving rivers. But this plant is a ruthless invader. Frogbit was brought to Canada in 1932 as an ornamental pond plant. But it’s now spread to places such as the bays and …

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Permanent link to this article: http://www.currentcast.org/invasive-species/european-frogbit/

Jun 04

Great Lakes Villains on the Move

Cue the scary music! If Asian carp barge into Lake Erie, Ohio’s tourism and travel industries are at stake. Listen up: Imagine 40-pound fish taking over a lake, and stealing food from smaller species. It may sound like a horror flick, but the threat of Asian carp is real—and breeding populations exist in rivers near the …

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Permanent link to this article: http://www.currentcast.org/water-and-recreation/villains-on-the-move/

May 09

Multiplying Mussels Attack!

Invasive mussels muscle their way into the Great Lakes—listen up for the scoop on why that’s scarier than it might sound. You might think a creature the size of a dime is no match for a freshwater system the size of Texas, but quagga mussels are prolific breeders. Multiply one by trillions, and you get mussels …

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Permanent link to this article: http://www.currentcast.org/creature-features/multiplying-mussels-attack/

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