1. Alaska Cooperative Fish and Wildlife Research Unit College of Fisheries and Ocean Sciences University of Alaska Fairbanks Fairbanks Alaska USA
2. Research Department The Wilderness Society Anchorage Alaska USA
3. U.S. Geological Survey Alaska Cooperative Fish and Wildlife Research Unit University of Alaska Fairbanks Fairbanks Alaska USA
4. Fish and Wildlife Field Conservation Office U.S. Fish and Wildlife Service Anchorage Alaska USA
5. U.S. Geological Survey Alaska Cooperative Fish and Wildlife Research Unit Institute of Arctic Biology University of Alaska Fairbanks Fairbanks Alaska USA
6. College of Fisheries and Ocean Sciences University of Alaska Fairbanks Fairbanks Alaska USA
7. Arctic District Office Bureau of Land Management Fairbanks Alaska USA