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Zebra Mussels

Zebra mussels have caused drastic declines in native clam and mussel populations in some locations. Zebra mussels compete with other invertebrates and young fish for plankton, the primary food source for these groups. UMESC scientists are investigating the effects zebra mussels are having on the riverine ecosystem. This study examines the effects More...

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Landscape Analysis of Freshwater Mussels in the Upper Mississippi River Basin

Freshwater mussels are the largest group of federally listed endangered or threatened invertebrates, and their declines may signal declining riverine health. They are a renewable resource, providing significant ecological and economic benefits to the Nation. Our study uses a landscape-level approach to assess whether the distribution of mussels More...

  • butterfly mussel (Ellipsaria lineolata)