1German Centre for Integrative Biodiversity Research (iDiv) - Halle-Jena-Leipzig, Puschstrasse 4, 04103 Leipzig, Germany
2Martin-Luther-Universität Halle-Wittenberg, Institut für Biologie, Am Kirchtor 1, 06108 Halle, Germany
3Humboldt-Universität zu Berlin, Geography Department, Unter den Linden 6, 10099 Berlin, Germany
4Frankfurt Zoological Society, Bernhard-Grzimek-Allee 1, 60316 Frankfurt, Germany
5NGO “Transparent World”, Rossolimo str. 5/22, building 1, 119021 Moscow, Russia
6EUROPARC-Spain/Fundación Fernando González Bernáldez. ICEI Edificio A. Campus de Somosaguas, E28224 Pozuelo de Alarcón, Spain
7The Danish Nature Agency, Gjøddinggård, Førstballevej 2, DK-7183 Randbøl, Denmark
8Sapienza University of Rome, Department of Environmental Biology, P.le Aldo Moro 5, 00185 Rome, Italy
9Réserves Naturelles de France, La Bourdonnerie, Dijon cedex, 21000 France
10PSEDA-ILIRIA. Forestry department, Tirana, 1000 Albania
11Centre for Applied Ecology “Professor Baeta Neves” (CEABN), InBIO, School of Agriculture, University of Lisbon, Tapada da Ajuda, 1349‐017 Lisbon, Portugal
12Parque Nacional de Garajonay. Avda. V Centenario, edif. Las Creces, local 1, portal 3, 38800 San Sebastian de La Gomera, Tenerife, Spain
13University of Torino, Department DISAFA L.go Paolo Braccini 2, Grugliasco, 10095 Italy
14Forest Research Institute, Vassilika, 57006 Thessaloniki, Greece
15Centre for Ecological Research, Institute of Ecology and Botany, Alkotmány u. 2-4, 2163 Vácrátót, Hungary
16Faculty of Forestry, University of Agriculture in Krakow, aleja 29-Listopada 46, 31-415 Krakow, Poland
17Latvian State Forest Research Institute “Silava”, Rigas street 111, Salaspils, LV-2169 Latvia
18Institute for Nature Conservation of Vojvodina Province, Radnička 20a, Novi Sad, 21000 Serbia
19University of Tartu, Institute of Ecology and Earth Sciences, Vanemuise 46, EE-51014 Tartu, Estonia
20Centre for Econics and Ecosystem Management, Faculty of Forest and Environment, Eberswalde University for Sustainable Development, Alfred-Möller-Str. 1, 16225 Eberswalde, Germany
21Université de Toulouse, INRAE, UMR DYNAFOR, 24 Chemin de Borde-Rouge Auzeville CS 52627, Castanet-Tolosan, 31326 France
22CRPF-Occitanie, antenne de Tarbes, place du foirail, 65000 Tarbes, France
23Mediterranean University of Reggio Calabria, Agraria Department, Loc. Feo di Vito, 89122 Reggio Calabria, Italy
24University of Novi Sad, Institute of Lowland Forestry and Environment, Antona Cehova 13d, Novi Sad, 21102 Serbia
25World Wide Fund for nature (CEE), Lunga street 190, Brasov, 500051 Romania
26Northwest German Forest Research Institute, Department Forest Nature Conservation, Professor-Oelkers-Straße 6, 34346 Hann. Münden, Germany
27Asplan Viak A.S.Kjörboveien 20, postboks 24, N-1300 Sandvika, Norway
28University of Zagreb, Faculty of Forestry, Svetosimunska cesta 25, 10000 Zagreb, Croatia
29Czech University of Life Sciences, Faculty of Forestry and Wood Sciences, Kamýcka cesta 1176, CZ-, 16521 Praha6-Suchdol, Czech Republic
30PRALES, Odtrnovie 563, SK-01322 Rosina, Slovakia
31Vytautas Magnus University, K. Donelaičio g. 58, LT-44248 Kaunas, Lithuania
32University of Forestry, Dendrology Department, bulevard “Sveti Kliment Ohridski” 10, 1756 Sofia, Bulgaria
33Slovenia Forest Service, Department for forest management planning, Vecna pot 2, 1000 Ljubljana, Slovenia
34Centre for Applied Ecology “Professor Baeta Neves” (CEABN), InBIO, School of Agriculture, University of Lisbon, Tapada da Ajuda 1349‐017, Lisbon, Portugal
35Greensway AB, Ulls väg 24A, 756 51 Uppsala, Sweden
36Freelance forest expert and book author, Vienna, Austria
37Ss. Cyril and Methodius University in Skopje, Hans Em Faculty of Forest Sciences, Landscape Architecture and Environmental Engineering, Department of Botany and Dendrology, P.O. Box 235, MK-1000 Skopje, North Macedonia
38Swiss Federal Research Institute for Forest, Snow and Landscape Research WSL, Forest Resources and Management, Zürcherstrasse 111, 8903 Birmensdorf, Switzerland
39University of Novi Sad, Institute of Lowland Forestry and Environment, Antona Cehova 13d, Novi Sad, 21000 Serbia
40Department of Forest Biodiversity, University of Agriculture, Kraków, Poland
41University of Eastern Finland, School of forest Sciences, Yliopistokatu 7, 80100 Joensuu, Finland
42Agricultural University of Tirana, Forestry Department, Kodër Kamëz, SH1, 1029 Tirana, Albania
43World Wide Fund for nature (DCP) Ukraine, Mushaka 48, Lviv, 79011 Ukraine
44Ecosphera NGO, Kapushans’ka 82a, Uzhhorod, 88000 Ukraine
45Silva Tarouca Research Institute, Department of Forest Ecology, Lidická 25/27, 602 00 Brno, Czech Republic
46Centre for Econics and Ecosystem Management, Faculty of Forest and Environment, Eberswalde University for Sustainable Development, Alfred-Möller-Str. 1, 16225 Eberswalde, Germany
47Institute of Experimental Botany of the National Academy of Sciences of Belarus, Laboratory of Productivity & Stability of Plant Communities, 220072, Academicheskaya St. 27, Minsk, Belarus
48Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 2 Gagarin Street, 1113 Sofia, Bulgaria
49Saint-Petersburg State University, Department of Vegetation Science, University Embankment, 7/9, St Petersburg, 199034 Russia
50Humboldt-Universität zu Berlin, Geography Department & Integrative Research Institute on Transformation in Human-Environment Systems, Unter den Linden 6, 10099 Berlin, Germany