Department of Applied Ecology, Faculty of Ecology and Environmental Sciences, Technical University in Zvolen, Masaryka 24, 960 53 Zvolen
Martin Boltižiar
Department of Geography and Regional Development, Faculty of Natural Sciences, Constantine the Philosopher's University in Nitra, A. Hlinku 1, 949 74, Nitra
Igor Gallay
Department of Applied Ecology, Faculty of Ecology and Environmental Sciences, Technical University in Zvolen, Masaryka 24, 960 53 Zvolen