Summary
Oshkosh The zebra mussel, the invasive species that has upended its share of rivers and lakes in Wisconsin, also is causing major problems for native mussels.
The tiny mollusk has been crowding out native mussels in the Mississippi River almost since zebra mussels were first discovered in the river in 1991.See the full content of this document
Extract
Clamming Season On Mississippi May Close
It took a few more years for the zebra mussel to gain a foothold, but since then, the native ...
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