1. Biology Centre of the CAS, Institute of Hydrobiology; České Budějovice Czech Republic
2. UMR CARRTEL, INRA - Univ. de Savoie Mont Blanc; Thonon les Bains France
3. Polish Academy of Sciences, European Regional Centre for Ecohydrology; Łódź Poland
4. Department of Physics; University of Oslo; Oslo Norway
5. Natural Resources Wales, St. Mellons; Cardiff Wales UK
6. Inland Fisheries Ireland HQ, Dublin 24; Ireland
7. Environment Agency; Warrington UK
8. Lake Ecosystems Group, Centre for Ecology & Hydrology, Lancaster Environment Centre; Bailrigg Lancaster UK
9. Faculty of Economics; University of South Bohemia; České Budějovice Czech Republic