1. Forest & Nature Lab Department of Environment Ghent University Melle‐Gontrode Belgium
2. Ecosystem Restoration and Intervention Ecology Research Group School of Biological Sciences The University of Western Australia Crawley WA Australia
3. Faculty of Biology University of Latvia Riga Latvia
4. Southern Swedish Forest Research Centre Swedish University of Agricultural Sciences Alnarp Sweden
5. Ecologie et Dynamique des Systèmes Anthropisés” (EDYSAN UMR CNRS 7058) Université de Picardie Jules Verne Amiens Cedex 1 France
6. Forest Ecology and Forest Management Wageningen University Wageningen The Netherlands
7. Leuphana University of Lüneburg Lüneburg Germany
8. Institute of Botany of the Czech Academy of Sciences Brno Czech Republic
9. Department of Botany Faculty of Science Palacký University in Olomouc Olomouc Czech Republic
10. General Botany Institute of Biochemistry and Biology University of Potsdam Potsdam Germany
11. Department Silviculture and Forest Ecology of the Temperate Zones University of Goettingen Göttingen Germany
12. Białowieża Geobotanical Station Faculty of Biology University of Warsaw Białowieża Poland
13. Department of Plant Sciences University of Oxford Oxford UK
14. Institute of Botany of the Czech Academy of Sciences Průhonice Czech Republic
15. Faculty of Forestry and Wood Sciences Czech University of Life Sciences Prague Prague 6 – Suchdol Czech Republic
16. Faculty of Forestry Technical University in Zvolen Zvolen Slovakia
17. National Forest Centre Zvolen Slovakia
18. Leibniz Centre for Agricultural Landscape Research (ZALF) Müncheberg Germany