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Martin Korňan
Centre for Ecological Studies, Ústredie 14, 013 62 Veľké Rovné, Slovak Republic / Department of Forest Protection and Game Management, Faculty of Forestry, Technical University in Zvolen, T.G. Masaryka 20, 960 53 Zvolen, Slovak Republic
Peter Adamík
Department of Zoology, Palacký University, Tř. Svobody 26, 771 46 Olomouc, Czech Republic