Tag Archive: invasive species

Nov 21

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/

Nov 18

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/

Nov 13

Clean, Drain, and Dry

Boaters can help turn away unwanted hitchhikers. Here’s how: Invasive plants and animals can wreak havoc on waterways, from making a shoreline less able to withstand flooding to harming fish. Boaters can help stop the spread of aquatic invasive species by cleaning plants and mud off their boats; then they should drain and dry out before …

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Permanent link to this article: http://www.currentcast.org/water-and-recreation/clean-drain-and-dry/

Nov 08

Holding the Invaders at Bay

On the lookout for invasive plants: When a new plant moves into a lake or stream, take note – it could be cause for concern. Sandra Keppner with the U.S. Fish and Wildlife Service says that rapidly spreading invasive plants like water chestnut and hydrilla are causing big problems for New York waters. “We see …

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Permanent link to this article: http://www.currentcast.org/biodiversity/holding-the-invaders-at-bay/

Nov 06

See Sea Species in the Sea, Not the Lakes

Sea-faring ships, ballast water, and invasive species . . . Learn more: Ships use water as ballast to add weight and increase their stability. But that water can bring invasive species into the Great Lakes from elsewhere. “They’re bringing in all the stuff that’s in the water. So zooplankton, fish, plants, bacteria, diseases, all those …

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Permanent link to this article: http://www.currentcast.org/invasive-species/see-sea-species-in-the-sea-not-the-lakes/

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