Institution: | 1. USDA Forest Service, Northern Research Station, 1831 Hwy 169 East, Grand Rapids, MN 55744, USA;2. Department of Forest Resources, University of Minnesota-Twin Cities, 1530 North Cleveland Avenue, Saint Paul, MN 55108, USA;3. Hawkesbury Institute for the Environment, University of Western Sydney, Locked Bag 1797, Penrith NSW 2751, Australia;4. USDA Forest Service, USA, Retired |