Authors
Barbara Pawlik-Skowrońska
Department of Hydrobiology, University of Life Sciences in Lublin, Lublin, Poland
Polish Academy of Sciences, Centre for Ecological Research in Dziekanów Leśny, Experimental Station, Lublin, Poland
Magdalena Toporowska
Department of Hydrobiology, University of Life Sciences in Lublin, Lublin, Poland
Jacek Rechulicz
Department of Hydrobiology, University of Life Sciences in Lublin, Lublin, Poland