1. Laboratory of Plant Ecology, Department of Plants and Crops, Faculty of Bioscience Engineering Ghent University Coupure links 653 B‐9000 Ghent Belgium
2. Forest Dynamics, Swiss Federal Research Institute for Forest Snow and Landscape Research (WSL) Zürcherstrasse 111 CH‐8903 Birmensdorf Switzerland
3. Forest is Life, TERRA Teaching and Research Centre, Gembloux Agro Bio‐Tech University of Liège Passage des Déportés 2 5030 Gembloux Belgium
4. Department of Civil Engineering University of Patras Rio, Patras 26504 Greece
5. School of Natural Resources and the Environment University of Arizona East Lowell Street 1064 Tucson AZ 85721 USA
6. Laboratory of Tree‐Ring Research University of Arizona East Lowell Street 1215 Tucson AZ 857121 USA
7. Department of Environmental Sciences – Botany University of Basel Schönbeinstrasse 6 CH‐4056 Basel Switzerland
8. Oeschger Centre for Climate Change Research University of Bern 3012 Bern Switzerland
9. CREAF E08193 Bellaterra (Cerdanyola del Vallès) Catalonia Spain
10. Universitat Autònoma de Barcelona E08193 Bellaterra (Cerdanyola del Vallès) Catalonia Spain
11. Plant Ecology Research Laboratory PERL School for Architecture, Civil and Environmental Engineering, EPFL CH‐1015 Lausanna Switzerland
12. Community Ecology Unit, Swiss Federal Institute for Forest Snow and Landscape WSL CH‐1015 Lausanne Switzerland
13. Department of Environmental Systems Science ETH Zurich Universitatstrasse 2 CH‐8092 Zurich Switzerland
14. Department of Geosciences University of Münster Heisenbergstrasse 2 48149 Münster Germany