1. Great Lakes Institute for Environmental Research, University of Windsor, Windsor, Ont., Canada.
2. Sandusky Fisheries Research Station, Ohio Department of Natural Resources, Sandusky, Ohio, USA.
3. Department of Fisheries and Wildlife, Michigan State University, Hammond Bay Biological Station, 11188 Ray Road, Millersburg, Mich., USA.
4. Lake Erie Biological Station, Great Lakes Science Center, US Geological Survey, Sandusky, Ohio, USA.
5. Great Lakes Fishery Commission, Ann Arbor, Mich., USA.
6. Fish Ecology and Conservation Physiology Laboratory, Department of Biology and Institute of Environmental Science, Carleton University, Ottawa, Ont., Canada.
7. Ontario Ministry of Natural Resources and Forestry, Aquatic Research and Monitoring Section, Wheatley, Ont., Canada.
8. Center for Systems Integration and Sustainability, Department of Fisheries and Wildlife, Michigan State University, East Lansing, Mich., USA.