1Department of Hydrobiology, University of Silesia, Bankowa 9, 40-007 Katowice, Poland
2Institute of Ichthyobiology and Aquaculture of the Polish Academy of Sciences in Gołysz, Zaborze,
Kalinowa 2, 43-520 Chybie, Poland
Submission date: 2017-04-12
Final revision date: 2017-06-09
Acceptance date: 2017-06-21
Online publication date: 2017-12-13
Publication date: 2018-01-02
Pol. J. Environ. Stud. 2018;27(1):11–17