1. Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of HydrocenosesInstitute of Aquaculture and Protection of Waters, University of South Bohemia in České Budějovice České Budějovice Czech Republic
2. Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Complex Systems University of South Bohemia in České Budějovice České Budějovice Nové Hrady Czech Republic