Tag Archive: invasive species

May 29

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/

Apr 19

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/

Apr 03

Going Against the Flow

Joel Brammeier Asian carp meeting

Restoring the original flow of the Chicago River could be the best way to keep invasive Asian carp out of the Great Lakes—listen up for the scoop: Chicago’s going against the flow…again. More than a century ago, the direction of the Chicago River was reversed to move the city’s wastewater away from Lake Michigan. The …

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Permanent link to this article: http://www.currentcast.org/stormwater-management/going-against-the-flow/

Mar 15

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/

Mar 12

Native and Invasive Crayfish Square Off

Non-native crayfish upset the natural balance in streams: Crayfish are an important part of the food web in streams. But in Pennsylvania, an invasive species called rusty crayfish is taking over. And in some areas, they’re so dense they stack on top of each other. Dave Lieb with the Western Pennsylvania Conservancy says rusty crayfish …

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Permanent link to this article: http://www.currentcast.org/creature-features/native-and-invasive-crayfish-square-off/

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