Affiliation: | 1. Geography Department, Humboldt-Universität zu Berlin, Unter den Linden 6, 10099 Berlin, Germany;2. Department of Biosystems, M3-BIORES, Katholieke Universiteit Leuven, W. de Croylaan 34, BE-3001 Leuven, Belgium;3. Department Earth and Environmental Sciences, Division Forest, Nature and Landscape Research, Katholieke Universiteit Leuven, Celestijnenlaan 200E - bus 2411, B-3001 Leuven, Belgium |