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Rediscovery of lake balls in Lake Michigan

Journal of Freshwater Ecology

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Abstract

For the first time in 70 years, the occurrence of a 'lake ball' in Lake Michigan is here reported in the literature. According to a published system of classification, the object we collected in 1978 was a 'false' lake ball. Dissection revealed that it was colonized by 5 chironomid larvae and 162 oligochaetes. The species and numerical proportions of the oligochaetes indicated that it was formed in or near the mouth of a eutrophic tributary rather than in the open waters of Lake Michigan where it was found. Because of their mobility, false lake balls may be ecologically important, serving as natural vehicles for the dispersal of invertebrates.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Rediscovery of lake balls in Lake Michigan
Series title:
Journal of Freshwater Ecology
Volume
2
Issue:
2
Year Published:
1983
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 159-163
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Freshwater Ecology
First page:
159
Last page:
163
Number of Pages:
4