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 …
Tag Archive: invasive species
Permanent link to this article: http://www.currentcast.org/biodiversity/too-little-phosphorus/
Jun 04
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 …
Permanent link to this article: http://www.currentcast.org/water-and-recreation/villains-on-the-move/
Feb 14
Some big fish to fry in midwestern rivers
Bighead and silver carp can grow up to four feet long and gobble up food that native fish rely on. These invasive fish are in the Mississippi, Missouri, and Illinois rivers. And if they get into the Great Lakes, they could do enormous damage. John Dettmers, of the Great Lakes Fishery Commission, says one strategy …
Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/5040/
Oct 29
Going Against the Flow
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 …
Permanent link to this article: http://www.currentcast.org/stormwater-management/going-against-the-flow/
Sep 18
Invasive Species in Lake Ontario
“I came, I saw, I conquered!” say invasive species in the Great Lakes: Many of the most abundant species in Lake Ontario are non-native. According to Brian Weidel of the U.S. Geological Survey, “My colleagues and I often joke if we only studied species that were native, most of us in Lake Ontario would be out …
Permanent link to this article: http://www.currentcast.org/biodiversity/invasive-species-in-lake-ontario/