Affiliation: | 1. Department of Environmental Science and Policy, University of California, , Davis, CA, 95616 USA;2. USDA Forest Service, Pacific Southwest Region, , Vallejo, CA, 94592 USA;3. Department of Forest Management, University of Montana, , Missoula, MT, 59812 USA;4. Department of Environmental Science and Policy, Information Center for the Environment, University of California, , Davis, CA, 95616 USA |