Round pigtoe (Pleurobema sintoxia) COSEWIC status report: chapter 16
David T. Zanatta received a B.Sc. (Hons.) in Biology from Laurentian University (1998) and an M.Sc. (Zoology) from the University of Guelph (2000). His M.Sc. supervisor, Dr. Gerald L. Mackie, is currently chair of the Mollusc Species Subgroup Group of the Lepidoptera and Mollusca Subcommittee of COSEWIC. Mr. Zanatta’s thesis was entitled “Biotic and abiotic factors relating to distribution of unionid mussel species in Lake St. Clair.” Part of his thesis research, which documented the discovery of native mussel refuge sites in Lake St. Clair, has been published in the Journal of Great Lakes Research. He has also studied Lake Trout populations in Northwestern Ontario lakes and analyzed Walleye index netting data for the Ontario Ministry of Natural Resources. He is a member of the North American Benthological Society and the Freshwater Mollusk Conservation Society. David is currently a research technologist with the National Water Research Institute of Environment Canada in Burlington, Ontario. He has co-authored two previous status reports on mussel species at risk for COSEWIC.
Janice L. Metcalfe-Smith is an Aquatic Research Biologist with the National Water Research Institute of Environment Canada in Burlington, Ontario. She has a B.Sc. (Hons.) in Zoology from the University of Manitoba (1973), and 30 years of experience as a technologist (1973-1978) and biologist (1978-present) with the departments of Fisheries and Oceans (Winnipeg, Manitoba and St. Andrews, New Brunswick) and Environment (Burlington, Ontario). She has conducted research in several areas, including the effects of forestry practices and acid rain on Atlantic salmon, the use of benthic macroinvertebrate communities in water quality assessment, and the development of biological monitoring techniques for measuring contaminant trends in freshwater ecosystems. Since 1995, her research has focused on the assessment and conservation of freshwater mussels in Ontario. She has authored or co-authored over 70 scientific papers and reports, including 20 on biodiversity issues. She is a member of the North American Benthological Society, the Freshwater Mollusk Conservation Society, and the Mollusc working group of the Lepidopterans and Molluscs Specialist Subcommittee of COSEWIC. She co-authored seven previous status reports on mussel species at risk for COSEWIC.
Bogan A.. North Carolina State Museum of Natural Sciences, Research Laboratory, Raleigh, NC.
Bruenderman, S. Fisheries Research Biologist/Malacologist, Missouri Department of Conservation, Conservation Research Center, Columbia, MO.
Cicerello, R. KentuckyState Nature Preserves Commission, Frankfort, KY.
Clayton, J. West VirginiaDivision of Natural Resources, WV.
Davis, M. Minnesota Department of Natural Resources, Division of Ecological Services, Lake City, MN.
Dextrase, A. Ontario Parks, Species at Risk Section, Ontario Ministry of Natural Resources, Peterborough, ON.
Evans, R. Conservation Zoologist, The Western Pennsylvania Conservancy/ Pennsylvania Natural Diversity Inventory - Western Office, Pittsburgh, PA.
Fowler, B.T. Co-chair, Lepidopterans and Molluscs Specialist Subcommittee, COSEWIC. Canadian Wildlife Service, Hull, Quebec.
Garner, J. Malacologist, Alabama Division of Wildlife and Freshwater Fisheries,Florence, AL.
Jacobs, C. Walpole Island Heritage Centre, Walpole Island First Nation, Wallaceburg, ON.
Marangelo, P. Planning Ecologist, The Nature Conservancy, Michigan Chapter, East Lansing, MI.
Mason, P. Grand River Conservation Authority, Cambridge, Ontario.
Masteller, E. Emeritus Professor of Biology, Penn State Erie, The Behrend College, Erie, PA.
Nicks, C. Water Quality Specialist - Species at Risk, Upper Thames River Conservation Authority, London, ON.
Schneider, K. Stuyvesant Environmental Consulting, LLC, Stuyvesant Falls, New York.
Smith, W. Natural Heritage Inventory Program, Wisconsin Department of Natural Resources, Madison, WI.
Strayer, D.L. Institute of Ecosystem Studies, Millbrook, NY.
Sutherland, D. Ontario Natural Heritage Information Centre, Ministry of Natural Resources, Peterborough, Ontario.
Woolnough, D. PhD Candidate, Ecology and Evolutionary Biology, Iowa State University, Ames, Iowa.
In 1996, all available historical and recent data on the occurrences of freshwater mussel species throughout the lower Great Lakes drainage basin were compiled into a computerized, GIS-linked database referred to as the Lower Great Lakes Unionid Database. Data sources included the primary literature, natural history museums, federal, provincial, and municipal government agencies (and some American agencies), conservation authorities, Remedial Action Plans for the Great Lakes Areas of Concern, university theses, and environmental consulting firms. Mussel collections held by six natural history museums in the Great Lakes region (Canadian Museum of Nature, Ohio State University Museum of Zoology, Royal Ontario Museum, University of Michigan Museum of Zoology, Rochester Museum and Science Center, and Buffalo Museum of Science) were the primary sources of information, accounting for over two-thirds of the data acquired. The database continues to be updated and now has over 7000 records of unionids from the lower Great Lakes drainage. One of us (J.L. Metcalfe-Smith) personally examined the collections held by the Royal Ontario Museum, University of Michigan Museum of Zoology and Buffalo Museum of Science, as well as smaller collections held by the Ontario Ministry of Natural Resources.
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