1. Alaska Cooperative Fish and Wildlife Research Unit College of Fisheries and Ocean Sciences University of Alaska Fairbanks Fairbanks Alaska
2. Ecology Department Montana State University Bozeman Montana
3. Water and Environmental Research Center Institute of Northern Engineering University of Alaska Fairbanks Fairbanks Alaska
4. U.S. Bureau of Land Management Arctic District Office Fairbanks Alaska
5. U.S. Geological Survey Alaska Cooperative Fish and Wildlife Research Unit Institute of Arctic Biology University of Alaska Fairbanks Fairbanks Alaska