| Affiliation: | 1. Department of Forest Zoology and Wildlife Management, Forest Faculty, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland;2. Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, 31-120 Kraków, Poland Department of Ecology, Swedish University of Agricultural Sciences, Box 7044, SE 750 07 Uppsala, Sweden;3. Department of Forest Management Planning, Geomatics and Forest Economics, Forest Faculty, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland |
