1. 1Department of Horticultural Science, University of Minnesota, Saint Paul, MN 55108
2. 2Diversity Arrays Technology, University of Canberra, Bruce, ACT 2617, Australia
3. 3St. Anthony Falls Laboratory, University of Minnesota, Minneapolis, MN 55414
4. 4Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455
5. 5Urban Forests, Human Health, and Environmental Quality, U.S. Department of Agriculture, Forest Service, Northern Research Station, Baltimore, MD 21228
6. 6St. Anthony Falls Laboratory, University of Minnesota, Minneapolis, MN 55414; and Fond du Lac Tribal and Community College, Cloquet, MN 55720