Seasonal Variations in Densities of Macrobenthic Populations in the Wave-Zone of North-Central Lake Erie

Benthic macroinvertebrate communities consisting mainly of Amphipoda, Trichoptera and Chironomidae develop in the 0-2 m zone along the Canadian shore of Lake Erie's central basin during summer, but are eliminated by storm and ice scouring in fall and spring. Most species probably overwinter off...

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Bibliographic Details
Published in:Journal of Great Lakes research 1978, Vol.4 (1), p.50-56
Main Authors: Barton, D.R., Hynes, H.B.N.
Format: Article
Language:English
Subjects:
Freshwater
Hydropsyche
Invertebrata
Polypedilum
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Summary:Benthic macroinvertebrate communities consisting mainly of Amphipoda, Trichoptera and Chironomidae develop in the 0-2 m zone along the Canadian shore of Lake Erie's central basin during summer, but are eliminated by storm and ice scouring in fall and spring. Most species probably overwinter offshore and re-enter the wave-zone by drifting via lake currents. Overwintering refuges were not found for three of the dominant wave-zone species—Hydropsyche recurvata, H. guttata and Polypedilum illinoense.
ISSN:0380-1330
DOI:10.1016/S0380-1330(78)72164-7