Institution: | Department of Natural Resources, Cornell University, Ithaca, NY 14853 USA;;Institute of Ecosystem Studies, Box AB, Millbrook, NY 12545, USA;;Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22903, USA;;Present address: Department of Plant and Microbial Biology, 111 Koshland Hall, University of California, Berkeley, CA 94720, USA;;Present address: CSRC, University of New Hampshire, Durham, NH 03824, USA |