1. Forest & Nature Lab Department of Environment Faculty of Bioscience Engineering Ghent University Gontrode‐Melle Belgium
2. Southern Swedish Forest Research Centre Swedish University of Agricultural Sciences Alnarp Sweden
3. UR «Ecologie et Dynamique des Systèmes Anthropisés» (EDYSAN, UMR 7058 CNRS‐UPJV) Université de Picardie Jules Verne Amiens France
4. Vegetation Ecology and Conservation Biology Institute of Ecology, FB2 University of Bremen Bremen Germany
5. Department of Biology Norwegian University of Science and Technology Trondheim Norway
6. Institute of Ecology and Earth Sciences University of Tartu Tartu Estonia
7. Centre for Agricultural Landscape Research (ZALF) Müncheberg Germany
8. Faculty of Natural Sciences Institute of Biology, Biotechnology and Environmental Protection University of Silesia Katowice Poland