1. Department of Biological Sciences, Macquarie University, NSW 2109, Australia.
2. Centre for Past Climate Change and School of Archaeology, Geography and Environmental Sciences (SAGES), University of Reading, Whiteknights, RG6 6AH Reading, UK.
3. Université du Québec à Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada.
4. AXA Chair in Biosphere and Climate Impacts, Department of Life Sciences, Imperial College London, Silwood Park Campus, Buckhurst Road, Ascot SL5 7PY, UK.
5. Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas and Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Casilla de Correo 495, 5000 Córdoba, Argentina.
6. Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275, USA.
7. School of Biological Sciences, University of Queensland, St Lucia, QLD 4072, Australia.
8. Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, Tartu 51014, Estonia.
9. Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, USA.
10. Hawkesbury Institute for the Environment, Western Sydney University, Penrith 2751, NSW, Australia.
11. Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA.
12. Área de Ecología, Facultad de Ciencias, Universidad de Córdoba, 14071 Córdoba, Spain.
13. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Forestry, Northwest A & F University, Yangling 712100, China.
14. Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA.