Category Archive: Biodiversity

Dec 26

Protecting a Stream’s Comfort Zone

Using a three-zone buffer system around a stream can dramatically improve water quality. Zone in on this: When we destroy the ecosystem along a stream, we threaten water quality, displace wildlife, and increase the risk of flooding. Robert Tjaden of the University of Maryland says that a three-part buffer between the water and adjacent land …

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Permanent link to this article: http://www.currentcast.org/stormwater-management/protecting-a-streams-comfort-zone/

Dec 21

Bioacoustics in the Great Lakes

A “sound” strategy for learning about fish: Aaron Rice, of Cornell’s Bioacoustics Research Program, tracks fish populations and behavior. He does it using sound. Rice: “The advantage of using sound as a survey method is that with digital recording technology that’s available now you can take a hydrophone, connect it to a essentially waterproof computer …

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Permanent link to this article: http://www.currentcast.org/water-and-energy/bioacoustics-in-the-great-lakes/

Dec 19

Ciscoes: A Great Snack for Great Lakes Fish

A middle-of-the-food-web fish: Ciscoes were once abundant in the Great Lakes. But these native fish were depleted by overfishing, invasive species, and pollution. Ellen George, a grad student in the Cornell Department of Natural Resources, wants to see them come back. She says some of the invasive fish that replaced ciscoes in the food chain …

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Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/ciscoes-a-great-snack-for-great-lakes-fish/

Dec 18

Floating Urban Islands

Floating gardens in the Chicago River provide new habitat for wildlife: For many years, Chicago’s rivers have been used for transportation and commerce… Damato: “…But now they should be used for habitat and interaction.” That’s Zachary Damato of the nonprofit Urban Rivers. His group is installing man-made floating wetlands in the Chicago River. They’re essentially …

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Permanent link to this article: http://www.currentcast.org/green-infrastructure/floating-urban-islands/

Dec 13

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/

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