Genetic population structure of cisco,Coregonus artedi,in the Laurentian Great Lakes |
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| Affiliation: | 1. Ministry of Northern Development, Mines, Natural Resources and Forestry, Peterborough, 1600 West Bank Drive, DNA Building, Peterborough, Ontario K9L 0G2, Canada;2. U.S. Geological Survey, Great Lakes Science Center, Lake Superior Biological Station, 2800 Lake Shore Drive E., Ashland, WI 54806, USA;3. Upper Great Lakes Management Unit, Ontario Ministry of Natural Resources, 1450 Seventh Avenue East, Owen Sound, ON N4K 2Z1, Canada;4. Little Traverse Bay Bands of Odawa Indians, 7500 Odawa Circle Harbor Springs, Michigan 49740, USA;5. The Fresh Lake Whitefish Company, 4234 Interstate I75 Business Spur #250, Sault Ste. Marie, MI 49783, USA;6. Charlevoix Fisheries Research Station, Michigan Department of Natural Resources, 96 Grant Street, Charlevoix, MI 49720, USA;7. U. S. Forest Service, 100 Main Street, Walden, CO, USA;1. Cooperative Institute for Great Lakes Research, School for Environment and Sustainability, University of Michigan, Ann Arbor, MI 48109, USA;2. University of Minnesota Duluth, Duluth, MN 55812, USA;3. Fedwriters at National Oceanic and Atmospheric Administration, Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108, USA;1. Wisconsin Cooperative Fishery Research Unit, University of Wisconsin-Stevens Point, 800 Reserve St., Stevens Point, WI 54481, USA;2. Wisconsin Department of Natural Resources, Bureau of Fisheries Management, 110 South Neenah Ave., Sturgeon Bay, WI 54235, USA;3. Wisconsin Department of Natural Resources, Office of Applied Sciences, 2801 Progress Rd., Madison, WI 53716, USA;4. Wisconsin Department of Natural Resources, Bureau of Fisheries Management, Peshtigo Service Center, 101 North Ogden Rd., Peshtigo, WI 54157, USA;5. Michigan Department of Natural Resources, Fisheries Division, Marquette Fisheries Research Station, 484 Cherry Creek Rd., Marquette, MI 49855, USA;6. U.S. Geological Survey, Wisconsin Cooperative Fishery Research Unit, University of Wisconsin-Stevens Point, 800 Reserve St., Stevens Point, WI 54481, USA;1. New York State Department of Environmental Conservation, Lake Erie Fisheries Research Unit, 178 Point Drive North, Dunkirk, NY 14048, USA;2. Ontario Ministry of Natural Resources and Forestry, Trent University, 2140 East Bank Drive, Peterborough ON K9L 0G2, Canada;3. Great Lakes Acoustic Telemetry Observation System, Department of Fisheries and Wildlife, Michigan State University, 1405 South Harrison Road, East Lansing, MI 48824, USA;1. Aquatic Research and Monitoring Section, Ontario Ministry of Natural Resources and Forestry, 2140 East Bank Dr., Peterborough, Ontario K9L 0G2, Canada;2. Department of Biology, Lakehead University, Thunder Bay, ON P7B 5E1, Canada;3. International Institute for Sustainable Development Experimental Lakes Area, Winnipeg, Manitoba R3B 0Y4, Canada |
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| Abstract: | Management of a widely distributed species can be a challenge when management priorities, resource status, and assessment methods vary across jurisdictions. For example, restoration and preservation of coregonine species diversity is a goal of management agencies across the Laurentian Great Lakes. However, management goals and the amount of information available varies across management units, making the focus for management efforts challenging to determine. Genetic data provide a spatially consistent means to assess diversity. Therefore, we examined the genetic stock structure of cisco (Coregonus artedi) in the Great Lakes where the species is still extant. Using genotype data from 17 microsatellite DNA loci, we observed low levels of population structure among collections with most contributions to overall diversity occurring among lakes. Cisco from lakes Superior, Michigan, Ontario, and the St. Marys River could be considered single genetic populations while distinct genetic populations were observed among samples from northern Lake Huron. Significant within-lake diversity in Lake Huron is supported by populations found in embayments in northern Lake Huron. The Grand Traverse Bay population in Lake Michigan represents a distinct population with reduced levels of genetic variation when compared to other lakes. The different levels of within lake population structure we observed will be important to consider as future lake-specific management plans are developed. |
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| Keywords: | Cisco Laurentian Great Lakes Stock structure Microsatellite DNA loci |
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