1. Department of Fisheries and Wildlife; Oregon State University; 104 Nash Hall Corvallis OR 97331 USA
2. U.S. Geological Survey; Oregon Cooperative Fish and Wildlife Research Unit, Oregon State University; 104 Nash Hall Corvallis OR 97331 USA
3. Real Time Research, Inc.; 52 SW Roosevelt Avenue Bend OR 97702 USA
4. Carter Biological Consulting; 1015 Hampshire Road Victoria BC V8S 4S8 Canada
5. Department of Wildlife; Humboldt State University; 1 Harpst Street Arcata CA 95521 USA
6. Point Blue Conservation Science; 3820 Cypress Drive #11 Petaluma CA 94954 USA
7. University of California, Institute of Marine Sciences; 100 Shaffer Road Santa Cruz CA 95060 USA