1. Colorado Forest Restoration Institute, Colorado State University, Fort Collins, CO 80523, USA
2. Department of Forest and Rangeland Stewardship, Warner College of Natural Resources, Colorado State University, Fort Collins, CO 80523, USA
3. USDA Forest Service, Rocky Mountain Research Station, Fort Collins, CO 80523, USA
4. Los Alamos National Laboratory, Los Alamos, NM 87545, USA
5. Pacific Northwest Research Station, USDA Forest Service, Seattle, WA 98122, USA