Category Archive: Invasive Species

Oct 17

A tiny green insect does major damage

Tens of millions of ash trees in the U.S have fallen victim to an invasive insect called the emerald ash borer. That’s not just a problem for forests. Trees are important for water quality. “The roots help control the nitrates and phosphates, which are some of the pollutants that can enter streams and waterways. They …

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Permanent link to this article: http://www.currentcast.org/stormwater-management/a-tiny-green-insect-does-major-damage/

Oct 11

One small turtle, one big reason not to let it go

Red-eared sliders are popular pet turtles. But according to Sara Stahlman of Pennsylvania Sea Grant, “People don’t often realize that these turtles can grow to be up to twelve inches, and they can actually live longer than 30 years. So most pet owners just aren’t prepared for that long-term commitment and so what they do …

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Permanent link to this article: http://www.currentcast.org/biodiversity/one-small-turtle-one-big-reason-not-to-let-it-go/

Sep 18

Invasion of the Bottom-Dwelling Gobies

Aggressive round goby fish are causing mayhem in the Great Lakes. Hook yourself up with the intel: There’s trouble in the Great Lakes, and plenty of it’s coming from a non-native, bottom-dwelling fish called the round goby. These fish hitched a ride in the ballast waters of ships and arrived in the lakes uninvited. This …

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Permanent link to this article: http://www.currentcast.org/creature-features/invasion-of-the-bottom-dwelling-gobies/

Sep 06

Grass carp putting down roots

There are extensive efforts underway to keep invasive Asian carp out of the Great Lakes. But one variety has already been popping up there for over 30 years. For decades, people have used sterilized grass carp to control pond vegetation. Over time, some of those fish have escaped to the Great Lakes. Because they could …

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Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/grass-carp-putting-down-roots/

Aug 23

Breakwalls do more than protect harbors from waves

In the Milwaukee Harbor, a 500 foot section of breakwall has been re-designed to support fish. It’s made of huge boulders that fish can hide between. Then it’s covered by a layer of smaller rocks that create habitat for prey. John Janssen of the University of Wisconsin, Milwaukee studies life on this breakwall. He’s found …

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Permanent link to this article: http://www.currentcast.org/green-infrastructure/breakwalls-do-more-than-protect-harbors-from-waves/

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