Rainbow smelt, Osmerus mordaz (Mitchill), represent the dominant species in Lake Superior. Smelt feed upon zooplankton and macroinvertebrates including the opossum shrimp, Mysis relicta and the amphipod, Pontoporeia affinis ...

Shoreline erosion along the Great Lakes continues to be a major economic and environmental concern. Of the nearly 5900 km. of shore- line, approximately 60% is erodible glacial clays, sands, or gravels. Fifty percent of ...