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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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Deep Water Science Project, Great Lakes

The USGS Great Lakes Science Center (GLSC) has a long history of significant contributions to the understanding of aquatic resources in the Great The main focus of the Center's research is on the long-term dynamics of native and non-native aquatic species and the sustainability of Great Lakes fisheries. Since the Center was established, the fish More...

  • Bottom trawl fish sampling