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LAKE ERIE NUTRIENT CONTROL PROGRAM - AN ASSESSMENT OF ITS EFFECTIVENESS IN CONTROLLING LAKE EUTROPHICATION
Citation:
Herdendorf, C. LAKE ERIE NUTRIENT CONTROL PROGRAM - AN ASSESSMENT OF ITS EFFECTIVENESS IN CONTROLLING LAKE EUTROPHICATION. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/3-80/062.
Description:
A three-year assessment of nutrient control efforts was conducted in the western and central basins of Lake Erie during the period June 1973 to June 1976. The objective of the study was to determine recent trends in lake eutrophication and water quality which may be related to recent attempts to control nutrient loadings to these basins. The assessment was accomplished by visiting approximately 50 stations at nearly monthly intervals during the ice-free periods. Over 25 water quality, meteorological and biological parameters were routinely determined shipboard or on samples collected at a typical station. Measurements were taken at several depths in order to characterize the various strata of water in the lake and to permit volume-weighted calculation of nutrient concentrations and quantities. Data from previous limnological surveys as far back as 1928 were compared with the results of the present study to establish longterm trends, as well as recent trends since the last comprehensive survey in 1970.