| Affiliation: | 1. US Geological Survey, Southwest Biological Science Center, Moab, UT 84532, USA;2. Department of Physical and Environmental Sciences, Colorado Mesa University, Grand Junction, CO 81501, USA;3. US Geological Survey, Forest and Rangeland Ecosystem Science Center, Corvallis, OR 97330, USA;2. Division of Agriculture, Cooperative Extension Service. University of Arkansas, Little Rock 72204;3. Division of Agriculture, Livestock and Forestry Research Center, University of Arkansas, Batesville 772701;4. Furst-McNess Co, Freeport, IL 61032 |
