Andrzej Bytnerowicz
US Forest Service
Patrick M. McCool
University of California, Riverside
R. A. Sommerfeld
Rocky Mountain Research Station
W. J. Massman
Rocky Mountain Research Station
Gene L. Wooldridge
United States Department of Agriculture
Allen S. Lefohn
Lancaster University Ghana
Walter J. Kender
University of Florida
Ovidiu Badea
National Institute for Research and Development in Forestry "Marin Drăcea"
Robert C. Szaro
Smithsonian Conservation Biology Institute
Theodore Younglove
Chaffey College
US Forest Service
United States Department of Agriculture
Rocky Mountain Research Station
University of California, Riverside
Colorado State University
Rocky Mountain Research (United States)
Pacific Northwest Research Station
New York State Department of Agriculture and Markets
Cornell University
Northern Research Station