1. UFZ, Helmholtz Centre for Environmental Research, Physiological Diversity, Permoserstrasse 15 DE‐04318 Leipzig Germany
2. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig, Deutscher Platz 5e DE‐04103 Leipzig Germany
3. Swiss Federal Research Institute WSL, Landscape Dynamics Birmensdorf Switzerland
4. Inst. of Plant Sciences, Plant Ecology, Univ. of Bern Bern Switzerland