Category Archive: Invasive Species

May 14

The Wetlands’ Devil in Disguise

purple loosestrife in wetland area

A beautiful purple plant has some very ugly effects on many wetland ecosystems—listen up: What do you call a purple alien that’s really tough to get rid of? Purple loosestrife…and it’s no joke. First spotted in the Great Lakes region near Lake Ontario in 1869, this pretty but invasive purple flowering plant takes over wetland …

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Permanent link to this article: http://www.currentcast.org/citizen-science-2/the-wetlands-devil-in-disguise/

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/

May 06

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/

May 01

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/

Apr 26

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/

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