Tag Archive: fish

Dec 13

Why Didn’t the Fish Cross the Road?

It’s no joke—in many places, fish can’t get to the other side of a road. Listen up for the why and so what: Turns out, fish can’t just go with the flow after all. According to research out of the University of Wisconsin-Madison, more than 1,000 dams and 100,000 road crossings inhibit fish movement in …

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Permanent link to this article: http://www.currentcast.org/development/fish-barriers-great-lakes/

Dec 12

Helping Fish Survive an Urban Gauntlet

How are man-made islands helping young fish traveling through the Milwaukee Estuary? Listen up: Sometimes fish need a break, too. This is a story of how human development has actually helped fish find places to rest and eat as they move through the aquatic urban jungle. One sixth its former size, the Milwaukee Estuary is …

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Permanent link to this article: http://www.currentcast.org/development/helping-fish-survive-an-urban-gauntlet/

Sep 27

So many fish, so little lake

Lake Erie has only about two percent of the water in the Great Lakes… But roughly half the fish. “During 40 of the 55 years between 1915 and 1970, Lake Erie produced more fish for human consumption than the other four Great Lakes combined,” says Jeff Reutter, former Director of Ohio Sea Grant. He says Lake …

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Permanent link to this article: http://www.currentcast.org/agricultural-runoff/so-many-fish-so-little-lake/

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/

Jul 18

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/

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