1Department of Ecology and Environmental Sciences, Faculty of Science, Palacký University,
Šlechtitelů 27, 783 71 Olomouc, Czech Republic
2Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University,
163 Horria Ave., P.O. Box 832 El-Shatby, Alexandria, Egypt
3Institute of Vertebrate Biology, AS CR, Květná 8, 603 65 Brno, Czech Republic
Submission date: 2017-02-07
Final revision date: 2017-03-23
Acceptance date: 2017-03-28
Online publication date: 2017-09-18
Publication date: 2017-11-07
Pol. J. Environ. Stud. 2017;26(6):2445–2453