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Natural Selection and Lake Superior Fisheries
(1982)
During the past 10 years, I have spent between 20 to50 days per season on Lake Superior aboard one of the University research vessels, a commercial vessel, or sport trolling. Like most other sportsmen, I am thrilled to ...
TRANSPORT OF TOXIC SUBSTANCES INTO LAKE SUPERIOR BY SUSPENDED SOLIDS
(1983-10)
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
(1983-08-19)
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
(1980-04-15)
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 ...
Characteristics of the Duluth-Superior Harbor and Lake Superior
(1981)
The twin ports of Superior, Wisconsin and Duluth, Minnesota were founded at the head of the world's
greatest continuous mass of freshwater. The Laurentian Great Lakes contain about 20% of the world's
freshwater resources. ...