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SIGNIFICANCE TO EUTROPHICATION OF SPATIAL DIFFERENCES IN NUTRIENTS AND DIATOMS IN LAKE MICHIGAN 1
Author(s) -
Holland Ruth E.,
Beeton Alfred M.
Publication year - 1972
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1972.17.1.0088
Subject(s) - eutrophication , diatom , nutrient , environmental science , abundance (ecology) , oceanography , submarine pipeline , phosphorus , nitrate , ecology , biology , geology , chemistry , organic chemistry
Sampling was conducted from a railroad ferry between Milwaukee, Wisconsin, and Ludington, Michigan, 27 May 1970–6 January 1971, to determine inshore—offshore differences in species and abundance of diatoms, and concentrations of phosphorus, silica, nitrate, and pigments. Inshore waters, especially off Milwaukee, had greater populations of diatoms, different species composition of the diatom communities, and different concentrations of major nutrients and pigments than offshore waters. It appears, therefore, that data from water intakes, which have been used in the past to document changes in the lake, may have represented only local conditions.