1. Swiss Federal Research Institute WSL Birmensdorf Switzerland
2. Biodiversity, Macroecology & Biogeography University of Goettingen Göttingen Germany
3. Geography Department Humboldt University of Berlin Berlin Germany
4. Ecosystem Modeling Center for Computational and Theoretical Biology (CCTB) University of Würzburg Würzburg Germany
5. Department of Systematic and Evolutionary Botany University of Zurich Zurich Switzerland