Remnant fish species discovered in Antrim County

Researchers have discovered a very special population of fish lurking in the depths of Elk Lake in Antrim County. These fish share a unique heritage, linking them to the native lake trout that disappeared from Lake Michigan over 50 years ago. Killed by sea lamprey invading from the Atlantic Ocean and caught in too-many fishing nets, the native populations of lake trout were wiped out of Lake Michigan by the late 1950s.

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Acoustics in the Water

Exploring the Hearing of Freshwater Fish

Water is a carrier for many forms of sound. Some sounds vary in frequency; others have a range of volume measured in decibels (intensity and power). When one travels one cannot help but ask the question, “What impact does the boating equipment I own make?”

boatMotorDr. Arthur Popper, who is the Professor of Biology at the University of Maryland, forwarded some articles to me to learn more about acoustics in water. 

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Fisheries of Leelanau and the Role of Cormorants

Heather Hettinger, Fisheries Management Biologist for Michigan Dept. of Natural Resources out of Traverse City, gave an informative and lively presentation to the Leelanau Clean Water organization on July 20, which was attended by some of our members.  You can access the presentation by clicking here.  Here is a little info on Heather:

I have worked for the Department of Natural Resources in various capacities since 2000.

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