Abisko Scientific Research Station Abisko SE 981-07 Sweden;
Physiological Ecology Group Botanical lnstitute University of Copenhagen Oester Farimagsgade 2DDK-1353 Copenhagen K Denmark;
Komarov Botanical Institute Russian Academy of Sciences Popova Str. 2St. Petersburg 197376 Russia;
Stevens Technical University Castle Point on Hudson Hoboken NJ 07030 USA;
Professor of Biology and Director Global Change Research Group San Diego State University San Diego CA 92182;
The Ecosystems Center Marine Biological Laboratory Woods Hole MA 02543 USA;
Department of Cell and Organism Biology Lund University Solvegatan 35 SE-22362 Lund Sweden;
A.N. Severtsov Institute of Evolutionary Morphology and Animal Ecology Russian Academy of Sciences Staromonetny per. 29 Moscow 109017 Russia;
Institute of Arctic Biology University of Alaska Fairbanks AK 99775 USA;
Department of Physical Geography and Ecosystem Analysis GeoBiosphere Science Centre Lund University Sweden;
School of Biological and Biomedical Sciences University of Durham UK;
Institute of Biology University of Tromso N-9037 Tromso Norway;
Abisko Scientific Research Station Abisko SE 981-07 Sweden;
Centre for Maori and Indigenous Planning and Development P.O. Box 84 Lincoln University Canterbury New Zealand;