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TRANSPORT OF TOXIC SUBSTANCES INTO LAKE SUPERIOR BY SUSPENDED SOLIDS
A primary threat to Great Lakes sport and commercial fisheries arises from contamination problems due to the introduction of certain xenobiotic chemicals in aquatic environments. Of particular concern are hydrophobic ...
SEVEN-DAY LARVAL FATHEAD MINNOW TOXICITY TEST WITH ZINC AND COPPER IN LAKE SUPERIOR WATER
7-Day Toxicity Tests with Zn and Cu were completed using larval fathead minnows. The results presented below are preliminary based upon nominal concentrations. A final report will be provided upon completion of the ...
LAKE SUPERIOR SHORELINE VEGETATION AND EROSION: AN ECOLOGICAL SURVEY
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 ...