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Growth of submersed macrophyte communities in the St. Clair - Detroit River system between Lake Huron and Lake Erie

Canadian Journal of Botany

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Abstract

Growth of submersed aquatic macrophytes was determined from observation and on the basis of biomass of samples collected from April to November 1978 at seven study sites in a major river system of the Great Lakes, the St. Clair - Detroit river system between Lake Huron and Lake Erie. Growth usually began between April and June, peaked between July and October, and decreased by late November. Maximum biomass at six of the seven sites (118-427 g dry weight m-2) was similar or greater than that reported in other rivers at similar latitudes. Seasonal growth of the abundant taxa followed one of three seasonal patterns at each study site: one dominant taxon grew alone; codominant taxa grew sympatrically without species succession; and codominant taxa grew sympatrically with species succession. Differences in growth and seasonal succession of some taxa were apparently caused by the presence or absence of overwintering plant material, competition, and life-cycle differences.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Growth of submersed macrophyte communities in the St. Clair - Detroit River system between Lake Huron and Lake Erie
Series title:
Canadian Journal of Botany
Volume
63
Issue:
6
Year Published:
1985
Language:
English
Publisher:
NRC Research Press
Publisher location:
Ottawa, Ontario
Contributing office(s):
Great Lakes Science Center
Description:
5 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Canadian Journal of Botany
First page:
1061
Last page:
1065
Number of Pages:
4