1. Department of Physical Geography and Ecosystem Science; Lund University; Sölvegatan 12; SE-223 62; Lund; Sweden
2. Institute of Botany; Faculty of Biology and Preclinical Medicine; University of Regensburg; Universitätsstrasse 31; DE-93053; Regensburg; Germany
3. Department of Community Ecology; Helmholtz Centre for Environmental Research - UFZ; Theodor-Lieser-Straße 4; DE-06120; Halle (Saale); Germany
4. Biodiversity; Department of Biology; Lund University; Sölvegatan 37; SE-223 62; Lund; Sweden