Authors
Agnieszka Pociecha
Department of Freshwater Biology, Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland
Irena Bielańska-Grajner
Faculty of Biology and Environmental Protection, University of Silesia in Katowice, Katowice, Poland
Hanna Kuciel
Department of Freshwater Biology, Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland
Agata Z. Wojtal
Department of Freshwater Biology, Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland