1. MTA-DE Biodiversity and Ecosystem Services Research Group, Egyetem sqr. 1, H-4032, Debrecen , Hungary
2. Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki , P.O. Box 65 (Viikinkaari 2a), 00014, Finland
3. Department of Architecture, Aalto University, P.O. Box 16500 (Miestentie 3), 00076 Aalto , Finland
4. Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, 31-120 Krakow , Poland
5. Department of Plant Biology and Ecology, University of the Basque Country UPV/EHU, Apdo. 644 E-48080 Bilbao , Spain
6. Association Centro Studi de Romita, Via G. Postiglione 9, c/o Filippo D’Erasmo, 70126 Bari , Italy
7. Agroecology, Department of Crop Science, Georg-August University. Grisebachstrasse 6, 37077 Gottingen , Germany