Green Guide

Traverse City dam chosen for testing fish passage methods

Posted September 21

— Experts will use a dam in downtown Traverse City to test ways of preventing invasive fish from swimming upstream while allowing other fish species to get through.

The Great Lakes Fishery Commission will lead the project at Union Street Dam on the Boardman River.

The Traverse City Record-Eagle (http://bit.ly/2dbw2cK ) reported Wednesday that a team of engineers, fish biologists and other specialists will meet in November to discuss which technologies and methods to use.

Spokesman Marc Gaden says the commission expects the system to be in place within two or three years.

The dam blocks the path of parasitic sea lampreys, which fasten themselves to other fish and suck out their bodily fluids. But biologists want desirable fish to bypass the dam so they can reach habitat and spawning grounds upstream.

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