1. Department of Plant Sciences; Forest Ecology and Conservation group; University of Cambridge; Cambridge UK
2. CSIRO Land and Water; 147 Underwood Avenue Floreat 6014 WA Australia
3. School of Biological Sciences; University of Aberdeen; Cruickshank Building, St Machar Drive Aberdeen UK
4. Sabah Forestry Department; Forest Research Centre; P.O. Box 1407 90715 Sandakan Sabah Malaysia
5. Department of Sustainable Agro-ecosystems and Bioresources, Research and Innovation Centre; Fondazione E. Mach; Via E. Mach 1 38010 San Michele all'Adige Italy
6. School of Geography; University of Leeds; Leeds LS2 9JT UK
7. Imperial College London, Silwood Park Campus; Buckhusrt Road Ascot SL5 7PY UK