Authors
Joanna Krupska
Faculty of Biology, Department of Hydrobiology, Adam Mickiewicz University, Poznań, Poland
Mariusz Pełechaty
Faculty of Biology, Department of Hydrobiology, Adam Mickiewicz University, Poznań, Poland
Andrzej Pukacz
Faculty of Biology, Collegium Polonicum, Adam Mickiewicz University, Słubice, Poland
Przemysław Ossowski
Faculty of Biology, Department of Hydrobiology, Adam Mickiewicz University, Poznań, Poland