Affiliation: | Natural Resource Ecology Laboratory , Colorado State University, Fort Collins, CO 80523–1499, U.S.A.;Biological Resources Division , U.S. Geological Survey, Midcontinent Ecological Science Center, Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523–1499, U.S.A.;Current address: CSIRO Davies Laboratory , PMB, Aikenvale, Queensland 4814 Australia;Current address: 12 Boundbrook , San Antonio, TX 78250, U.S.A. |