Abstract
The macro-benthic fauna, especially the Chironomidae, and the sequence of faunal groups in a horizontal transect across Lake Mutek (1977–79) before and after artificial destratification are described. Before destratification (1977–78), Chaoborus flavicans was the dominant species. After destratification this form decreased in numbers rapidly. Chironomidae and Oligochaeta first appeared in the open water zone. A multiple increase in density of pelophilous forms (Chironomus plumosus and C. thummi) was also observed. The trophic status of the lake shifted from polytrophic to eutrophic.
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Wielgosz, S. Effects of artificial destratification on zoobenthos and on the trophic status of a Polish reservoir. Hydrobiologia 102, 197–203 (1983). https://doi.org/10.1007/BF00006347
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DOI: https://doi.org/10.1007/BF00006347