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Article: Recent shifts in the crustacean zooplankton community of Lake Huron.(Report)
- Article from:
- Canadian Journal of Fisheries and Aquatic Sciences
- Article date:
- May 1, 2009
- Author:
CopyrightCOPYRIGHT 2009 NRC Research Press. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
Lake Huron, the second largest of the Laurentian Great Lakes in terms of surface area (Beeton 1984) and the fourth largest in the world (Beeton and Saylor 1995), has experienced a number of major shifts in its biological communities during the last century. The earliest indications of major ecosystem change were apparent in the lake's fish community. Originally supporting a diverse community of cold-water and cool-water fish, by the mid 1960s the native top predator, lake trout (Salvelinus fontinalis), had nearly disappeared, and four species of deepwater ciscoes (Coregonus spp.) were completely extirpated, while populations of whitefish (Coregonus ...