1. US Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, Alaska 99508, USA
2. Daniel B. Warnell School of Forestry and Natural Resources, 180 E Green Street, Athens, Georgia 30602, USA
3. National Park Service, Gates of the Arctic National Park and Preserve, 4175 Geist Road, Fairbanks, Alaska 99709, USA
4. National Park Service, Lake Clark National Park and Preserve, PO Box 226, Port Alsworth, Alaska 99653, USA
5. US Fish and Wildlife Service, Kodiak National Wildlife Refuge, 1390 Buskin River Road, Kodiak, Alaska 99617, USA
6. Alaska Department of Fish and Game, Division of Wildlife Conservation, PO Box 110024, Douglas, Alaska 99811, USA
7. US Department of Agriculture, Agricultural Research Service, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA