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Life cycle of a mayfly Hexagenia limbata in the St. Marys River between Lakes Superior and Huron

Journal of Great Lakes Research

By:
and

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Abstract

Length-frequency distribution curves of Hexagenia limbata nymphs collected in May, August, and October 1974 and May 1975 in the St. Marys River between Lakes Superior and Huron were bimodal for each sampling period. These curves, combined with interpretation of nymphal emergence period and mean surface water temperatures, indicate that the population of Hexagenia nymphs in the St. Marys River is composed of two year classes or cohorts. One cohort emerges per season, 2 years after egg deposition.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Life cycle of a mayfly Hexagenia limbata in the St. Marys River between Lakes Superior and Huron
Series title:
Journal of Great Lakes Research
Volume
10
Issue:
4
Year Published:
1984
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 435-439
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Great Lakes Research
First page:
435
Last page:
439