1. Faculty of Fisheries and Protection of Waters South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses Institute of Aquaculture and Protection of Waters University of South Bohemia in Ceske Budejovice České Budějovice 370 05 Czech Republic
2. Department of Ecosystem Biology Faculty of Science University of South Bohemia in Ceske Budejovice České Budějovice Czech Republic
3. EcoAqua Universidad de Las Palmas de Gran Canaria Telde Spain