1. USDA-ARS Range Sheep Production Efficiency Unit, Dubois, ID, USA
2. U.S. Forest Service, Pacific Northwest Research Station, Seattle, WA, USA
3. U.S. Forest Service, Pacific Northwest Research Station, Juneau, AK, USA
4. Columbia River Estuary Study Taskforce, Astoria, OR, USA
5. University of Alaska-Fairbanks, Fairbanks, AK, USA