Plymouth State University & US Forest Service, Center for the Environment - MSC 63 Plymouth State University 17 High Street, Plymouth, NH 03264, United States
Oregon State University, Department of Forest Engineering, Corvallis, OR 97331, United States
University of Giessen, Institute for Landscape Ecology and Resources Management, Giessen, 35392, Germany
University of British Columbia, Department of Forest Resources Management and Geography, Vancouver, BC V6T 1Z4, Canada