Feb 21
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 …
Permanent link to this article: http://www.currentcast.org/green-infrastructure/breakwalls-do-more-than-protect-harbors-from-waves/
Feb 17
The city of Milwaukee is working to transform its industrial harbor into a bustling waterfront district that attracts anglers, boaters, and wildlife lovers. “But not a lot of people know exactly what’s going on underneath the water,” says Brennan Dow. While a graduate student at the University of Wisconsin-Milwaukee, Dow was part of a project working …
Permanent link to this article: http://www.currentcast.org/development/mapping-what-lies-beneath/
Jan 27
A fishy tale: In the 1800s, lake trout were abundant in Lake Superior. Then, in the early to mid 1900s… Hansen: “… populations began to decline rapidly.” That’s biologist Michael Hansen. He says overfishing and predatory invaders known as sea lampreys were to blame. By the time an effective way to control lampreys was discovered, …
Permanent link to this article: http://www.currentcast.org/water-and-energy/lake-trout-stocking/
Jan 17
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 …
Permanent link to this article: http://www.currentcast.org/water-and-energy/bioacoustics-in-the-great-lakes/
Jan 07
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 …
Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/fish-talk/
