1. Department of Environmental Sciences Faculty of Geosciences Utrecht University Heidelberglaan 2 3584 CS Utrecht the Netherlands
2. School of Plant Biology The University of Western Australia 35 Stirling Highway Crawley WA 6009 Australia
3. National Institute for Mathematical and Biological Synthesis (NIMBioS) University of Tennessee 1122 Volunteer Blvd, Suite 106 Knoxville TN 37996‐3410 USA
4. Department of Physical Geography Faculty of Geosciences Utrecht University Heidelberglaan 2 3584 CS Utrecht the Netherlands
5. The University of Sydney Faculty of Agriculture and Environment Sydney NSW 2006 Australia