| Institution: | Department of Economics and Natural Resources, Arboretum, The Royal Veterinary &Agricultural University, Hørsholm Kongevej 11, DK-2970 Hørsholm, Denmark;;Centre for Ecology and Hydrology, Bush Estate, Penicuik, Midlothian EH26 0QB, UK;;Norwegian Forest Research Institute, Høgskolevegen 12, N-1432 Ås, Norway;;USDA Forest Service, Rocky Mountain Research Station, 240 West Prospect RD, Fort Collins, CO 80526–2098, and Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado 80523, USA;;Biology Program Area, 6237 Craven Hall, California State University San Marcos, California 92096–0001, USA |
