David R. Johnson,^* Diane Ebert-May,^** Patrick J. Webber,^*** Craig E. Tweedie<sup>****


*</sup>David R. Johnson () is a Post-Doctoral Research Associate with the Systems Ecology Laboratory at the University of Texas at El Paso. His interests include understanding alpine and arctic terrestrial ecosystems in the context of climate warming. Address: Department of Biology, University of Texas at El Paso, 500 West University Ave, El Paso, TX 79968-0519, USA. e-mail: drjohnson2@utep.edu
^**Diane Ebert-May is a Professor in the Department of Plant Biology at Michigan State University. Her interests are in plant ecology and education science—particularly in biology. Address: Department of Plant Biology, Michigan State University, 166 Plant Biology Building, East Lansing, MI 48824-1312, USA.
^***Patrick J. Webber is a Professor Emeritus in the Department of Plant Biology at Michigan State University. His interests cover many aspects of cold regions plant ecology, systems science, and science management. Address: Department of Plant Biology, Michigan State University, 166 Plant Biology Building, East Lansing, MI 48824-1312, USA. Address: P.O. Box 1380, Ranchos de Taos, NM 87557, USA.
^****Craig E. Tweedie is an Assistant Professor in the Department of Biology and the Environmental Science and Engineering Program at the University of Texas at El Paso where he directs the Systems Ecology Laboratory (www.sel.utep.edu). His interests are global change science, cyberinfrastructure and science education. Address: Department of Biology, University of Texas at El Paso, 500 West University Ave, El Paso, TX 79968-0519, USA.