Category Archive: Invasive Species

Jan 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/

Dec 11

A Bird’s-Eye View of Grassland Restoration

Protecting grasslands helps protect our feathered friends and water quality in one fell swoop—listen up: What’s the bird’s-eye take on grasslands? From bobolinks and northern harriers to some sparrows, many birds rely on grasslands for food and habitat. But a grassland also delivers another ecosystem benefit—it absorbs water when it rains. To learn more, CurrentCast …

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Permanent link to this article: http://www.currentcast.org/stormwater-management/birds-grassland-restoration/

Nov 26

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/

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/

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