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Great Lakes Trends



Due to the high demand for Great Lakes Trends:  A Dynamic Ecosystem, the Michigan Department of Environmental Quality (MDEQ), Office of the Great Lakes, has reprinted 2,000 extra copies, which are available free of charge.  The trends analysis, which was originally printed in January, 1998, focuses on the chemical, physical and biological aspects of the Great Lakes ecosystem.  The report reviews trends such as PCB levels in coho salmon and herring gull eggs; annual phosphorus loadings from the Detroit River; lead and mercury in Lake Michigan sediments; atmospheric deposition; land use changes; and the introduction of exotic species.  

To order a copy of the report, please fax requests to 517-335-4053; email bredinj@state.mi.us; call 517-335-4056; or write the Office of the Great Lakes, P.O. Box 30473, Lansing, MI 48909-7973.