Category Archive: Biodiversity

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/

Dec 06

Fish Talk

Scientists listen in on a world of underwater sound. Listen up: When Aaron Rice eavesdrops on a conversation, he hears plenty of pops, purrs, clicks and grunts. As Research Associate at the Bioacoustics Research Program at Cornell University, he listens to fish. The sounds usually have something to do with aggression or reproduction – and …

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Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/fish-talk/

Dec 04

A Fish Called Cisco

Lake herring are making a comeback in the Great Lakes. Listen up: Until the sixties, schools of slender silvery cisco swam the Great Lakes, feeding on zooplankton, and dodging predators. Fishermen called them ‘lake herring.’ “They were one of the most abundant species across the great lakes. And at one time they comprised the largest …

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Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/a-fish-called-cisco/

Nov 16

Praise for Native Grassland Prairies

Native prairie grasses aren’t just pretty—they also improve water quality across the Midwest. Listen up: How do we love native grassland prairies? Let us count the ways—or at least, let us recount the number one water-related way: When restored, native grassland prairies can improve water quality big-time, and help prevent erosion during heavy rains. Once …

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Permanent link to this article: http://www.currentcast.org/green-infrastructure/prairie-grasses/

Nov 14

Dams: They Cut Both Ways

Dams can benefit society—and harm river ecosystems. Listen up for why it’s important to balance the good with the bad: Dams can create a reservoir to hold water, protect areas from floods, or generate clean electricity. All good, right? But wait, there’s more: A dam also physically blocks migrating fish and changes the overall biology …

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Permanent link to this article: http://www.currentcast.org/water-and-energy/dams-the-good-and-the-bad/

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