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Article: Continued disappearance of the benthic amphipod Diporeia spp. in Lake Michigan: is there evidence for food limitation?
- Article from:
- Canadian Journal of Fisheries and Aquatic Sciences
- Article date:
- April 1, 2006
- Author:
CopyrightCOPYRIGHT 2006 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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Abstract: Benthic surveys were conducted in the southern basin of Lake Michigan and throughout the lake to assess trends in benthic populations, emphasizing recent changes in densities of the benthic amphipod Diporeia spp. and dreissenid mussels. In the southern basin, Diporeia populations declined 89%, 91%, and 45% between 1993 and 2002 at sites
Resume: Nous avons inventorie le benthos dans le bassin sud du lac Michigan ainsi que dans le lac dans son ensemble afin de determiner les tendances dans les populations benthiques, en particulier les changements recents de densite de l'amphipode benthique Diporeia spp. et des bivalves dreissenides. Dans le bassin sud de 1993 a ...