Plankton community structure and size spectra in the Georgian Bay and North Channel ecosystems |
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| Authors: | W Gary Sprules M Munawar E H Jin |
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| Institution: | (1) Department of Zoology, University of Toronto, Erindale College, L5L 1C6 Mississauga, Ont.;(2) Great Lakes Fisheries Research Branch, Fisheries and Oceans Canada, Canada Centre for Inland Waters, L7R 4A6 Burlington, Ontario |
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| Abstract: | Patterns in the size distribution and taxonomic composition of phytoplankton and zooplankton communities for 1974 in Georgian Bay and the North Channel are described. The Diatomeae predominate the phytoplankton in both areas. Copepods, particularly Calanoida, comprise the greatest fraction of the zooplankton biomass. Normalized plankton biomass spectra for both ecosystems are typical of those found in Lake Superior and offshore Lake Huron. The plankton communities of Georgian Bay and the North Channel are thus similar to the most oligotrophic of the Laurentian Great Lakes. |
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| Keywords: | phytoplankton zooplankton body size community structure |
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