[1
]Forest Ecology and Conservation Group, Department of Plant Sciences, University of
Cambridge, Cambridge CB23EA, UK.
[2
]Swiss Federal Institute for Forest, Snow and Landscape Research WSL, 8903 Birmensdorf,
Switzerland.
[3
]Forest & Nature Lab, Department of Environment, Faculty of Bioscience Engineering,
Ghent University, B-9090 Melle-Gontrode, Belgium.
[4
]UR “Ecologie et Dynamique des Systèmes Anthropisés” (EDYSAN, UMR 7058 CNRS-UPJV),
Université de Picardie Jules Verne, 800037 Amiens Cedex 1, France.
[5
]Institute of Ecology and Evolution, Friedrich Schiller University Jena, D-07743 Jena,
Germany.
[6
]Institute of Botany of the Czech Academy of Sciences, CZ-602 00 Brno, Czech Republic.
[7
]Department of Botany, Faculty of Science, Palacký University in Olomouc, CZ-78371
Olomouc, Czech Republic.
[8
]Institute of Environmental and Earth Sciences, University of Sopron, H-9400 Sopron,
Hungary.
[9
]Southern Swedish Forest Research Centre, Swedish University of Agricultural Sciences,
230 53 Alnarp, Sweden.
[10
]Research Institute for Nature and Forest (INBO), B-1000 Brussels, Belgium.
[11
]Environment Agency Austria, A-1090 Vienna, Austria.
[12
]Department of Plant Physiology and Ecology, University of Rzeszów, PL-35-959 Rzeszów,
Poland.
[13
]General Botany, Insitute of Biochemistry and Biology, University of Potsdam, 14469
Potsdam, Germany.
[14
]Białowieża Geobotanical Station, Faculty of Biology, University of Warsaw, 17-230
Białowieża, Poland.
[15
]Institute of Botany of the Czech Academy of Sciences, CZ-252 43 Průhonice, Czech Republic.
[16
]Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, CZ-165
21 Prague 6 - Suchdol, Czech Republic.
[17
]Faculty of Forestry, Technical University in Zvolen, SK-960 01 Zvolen, Slovakia.
[18
]National Forest Centre, SK-960 01 Zvolen, Slovakia.
[19
]Department of Botany, Institute of Environmental Biology, University of Wrocław, PL-50-328
50 Wrocław, Poland.
[20
]Leibniz Centre for Agricultural Landscape Research (ZALF), D-15374 Muencheberg, Germany.
[21
]Department of Forestry and Renewable Forest Resources, Biotechnical Faculty, University
of Ljubljana, Ljubljana 1000, Slovenia.
[22
]Department of Hydrobiology, Institute of Biology, University of Pécs, H-7624 Pécs,
Hungary.
[23
]Department of Forest Biodiversity, Faculty of Forestry, University of Agriculture
in Kraków, PL-32-425 Kraków, Poland.
[24
]Department of Silviculture and Forest Ecology of the Temperate Zones, University of
Göttingen, D-37077 Göttingen, Germany.
[25
]Department of Plant Systematics, Ecology and Theoretical Biology, Institute of Biology,
L. Eötvös University, H-1117 Budapest, Hungary.
[26
]Museum of Natural History, University of Wrocław, PL-50-335 Wrocław. Poland.
[27
]MTA-DE Lendület Functional and Restoration Ecology Research Group, H-4032 Debrecen,
Hungary.