1. Department of Biological Sciences, Macquarie University, NSW 2109, Australia;
2. Department of Forest Resources, University of Minnesota, St Paul, MN 55108, USA;
3. Institute of Ecological Science, Department of Systems Ecology, Vrije Universiteit, Amsterdam, the Netherlands;
4. Faculty of Medicine, University of Oslo, 0315 Oslo, Norway;
5. Centre d’Ecologie Fonctionnelle et Evolutive, CNRS, Montpellier, France;
6. Graduate School of Life Sciences, Tohoku University, Aoba, Sendai 980‐8578, Japan;
7. Department of Environmental Biology, Curtin University of Technology, Perth, WA 6845, Australia;
8. Landcare Research, Private Bag 1930, Dunedin, New Zealand;
9. Polish Academy of Sciences, Institute of Dendrology, Parkowa 5, 62‐035 Kornik, Poland;
10. Nikko Botanical Garden, Graduate School of Science, University of Tokyo, Japan;
11. Plant Ecophysiology, Utrecht University, Utrecht, the Netherlands;
12. Area de Ecología, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain;
13. Department of Statistics, School of Mathematics, University of New South Wales, NSW 2052, Australia