1. Landscape Ecology; Institute of Terrestrial Ecosystems; ETH Zürich; Zürich Switzerland
2. Swiss Federal Research Institute WSL; 8903 Birmensdorf Switzerland
3. Biological Mission of Galicia (MBG-CSIC); Apdo. 28 36080 Pontevedra Spain
4. Molecular Interaction Ecology; Institute of Water and Wetland Research (IWWR); Radboud University Nijmegen; PO Box 9010 6500 GL Nijmegen The Netherlands
5. Department of Ecology and Evolution; University of Lausanne; Lausanne CH 1015 Switzerland
6. German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; Deutscher Platz 5e 04103 Leipzig Germany
7. Institute of Ecology; Friedrich Schiller University Jena; Dornburger-Str. 159 07743 Jena Germany
8. Laboratory of Functional Ecology; Institute of Biology; University of Neuchâtel; Rue Emile-Argand 11 2000 Neuchâtel Switzerland