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Keeping Asian Carp out of the Great Lakes
A study found that in order for carp eggs to hatch, giant river systems with at least 62-mile stretches of moving water within a limited temperature range are required. However, a more recent study by the U.S. Geological Survey concluded that the eggs could hatch if the right conditions were sustained in a stream for as little as 16 miles. That suggests that other tributaries will be identified in which successful carp spawning is possible; such as the Milwaukee River, St. Joseph, Maumee and Sandusky Rivers.

A thriving population of carp might pilfer enough of the tiny plants and animals on which young and smaller fish feed to drive down the survival rates of such prized species as salmon, walleye and yellow perch, which form the base of a multibillion-dollar sport fishing industry. Walleye and yellow perch in Lake Erie already are struggling and likely won’t be helped by more competition for food.

Read about possible solutions

 
 


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State money to fight algae at Grand Lake St. Marys : EPA's $5 million will buy aluminum sulfate - The state will spend $5 million on an effort to keep toxic blue-green algae from ruining another summer at Grand Lake St. Marys. The money will be used to buy aluminum sulfate, a chemical that binds with phosphorus in water before algae can use it as food.


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