Readers ask: How Did Zebra Mussels Get Into The Great Lakes?

How did the zebra mussel spread?


Where did the zebra mussels that invaded the Great Lakes come from?

The zebra mussel (Dreissena polymorpha) is a small freshwater mussel. The species was originally native to the lakes of southern Russia and Ukraine, but has been accidentally introduced to numerous other areas and has become an invasive species in many countries worldwide.

How did zebra mussels get in Lake Erie?

The zebra mussel had already colonized rivers and lakes across Western Europe thanks to an extensive network of canals. Scientists knew the most plausible way Santavy’s mussel could have made the trip across the Atlantic and into the Great Lakes was in the friendly confines of a freighter ballast tank.

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How did zebra mussels get into Lake Michigan?


Are zebra mussels good for anything?


Do zebra mussels ever go away?


Can you swim in a lake with zebra mussels?


Are zebra mussels bad for humans?


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Why are zebra mussels so bad?


Can you eat zebra mussels?


Can you buy zebra mussels?


What is being done to get rid of zebra mussels?


Why is Lake Michigan water so clear?

They say there are so many mussels they can filter the entire volume of Lake Michigan in four to six days, and they’ve reduced the amount of light-absorbing algae by over 50 percent. Since there’s less algae, the water is less green. And according to their research, the lake’s water is also 20 percent clearer.

What happens when a lake gets zebra mussels?


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Why is the water so blue in Chicago?

“The discoloration is not due to outfill, but caused by a combination of the storm, seasonal vegetation changes and other naturally occurring circumstances,” water department spokeswoman Megan Vidis said. Despite the City of Chicago’s stance, the river’s strange colors have garnered concerns among environment groups.

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