1. John Muir Institute University of California Davis California95616USA
2. Department of Environmental Science, Policy and Management University of California Berkeley California94720USA
3. Department of Biology University of New Mexico Albuquerque New Mexico87131USA
4. Pacific Southwest Region USDA Forest Service Southern Sierra Province Bishop California93514USA
5. Social Sciences Department California Polytechnic University San Luis Obispo California93407USA
6. Department of Forestry and Wildland Resources Humboldt State University Arcata California95521USA
7. Pacific Southwest Research Station USDA Forest Service Mammoth Lakes California93546USA