Natural Resources Canada, Canadian Forestry Service-Atlantic, P.O. Box, 4000, Fredericton, NB, Canada, E3B 5P7
K. Percy
Swiss Federal Institute for Snow and Landscape Research, Zurcherstrasse 111, CH-8903, Birmensdorf, Switzerland
J. Bucher
Institute of Terrestrial Ecology, Bush Estate, Penicuick, Midlothian, EH26 0QB, UK
J. Cape & L. Sheppard
LINNAEA ambient Srl, Via G. Sirtori 37, I-50137, Firenze, Italy
M. Ferretti
Department of Botany and Plant Sciences, University of California, Riverside, CA, 92521-0124, USA
R. Heath
Institute of Terrestrial Ecology, Merlewood Research Station, Grange-over-Sands, Cumbria, LA11 6JU, UK
H.E. Jones
School of Forestry and Wood Products, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931-1295, USA
D. Karnosky
Department of Forest Botany, Ludwig-Maximilians-Universitat, Am Hochanger 13, D-85354, Freising, Germany
R. Matyssek
Lehrbereich Forstgenetik, Ludwig-Maximilians-Universitat Munchen, LMU Munchen, Am Hochanger 13, D-85354, Freising, Germany
G. Muller-Starck
IPAF-CNR, Piazalle delle Cascine 28, 50144, Firenze, Italy
E. Paoletti
Department of Plant Ecology, University of Lund, Ecology Bldg., S-223 62, Lund, Sweden
U. Rosengren-Brinck
Department of Plant Pathology, Pennsylvania State University, 210 Buckhout Laboratory, University Park, PA, 16802, USA
J. Skelly
Forest Sciences Department, Faculty of Forestry, University of British Columbia, Vancouver, BC, Canada, V6T IZ4
G. Weetman
