Trophic Disruption Effects on the Diet and Condition of Lake Whitefish

Grant: # 0836

Grant Amount: $81,000.00

Board Decision Year: 2006

Fisheries and Oceans Canada - Great Lakes Laboratory for Fisheries and Aquatic Sciences (Burlington, ON, Canada)

Great Lakes Laboratory for Fisheries and Aquatic Sciences

Koops, Marten (marten.koops@dfo-mpo.gc.ca) 905-336-4559

GLFT - Ecosystem Health and Sustainable Fish Populations-H - Ecological and biological fisheries research to inform management

Project Details

Great Lakes Laboratory for Fisheries and Aquatic Sciences tested the hypothesis that low Diporeia abundance caused by dreissenid invasion is associated with poorer diets and slower-growing, low-condition lake whitefish. The diet-condition link was examined by stable isotope analyses of whitefish from Lakes Michigan, Erie, and Superior, along a spectrum from invaded with complete Diporeia loss (Erie), to invaded with partial Diporeia loss (Michigan), to uninvaded with no Diporeia loss (Superior).

Documents

Final Report
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