1. Irstea; UR HYAX, pôle Hydroécologie plans d'eau Onema/Irstea; Aix-en-Provence Cedex 5; France
2. Leibniz-Institute of Freshwater Ecology and Inland Fisheries; Berlin; Germany
3. Lake Ecosystems Group; Centre for Ecology & Hydrology; Lancaster Environment Centre; Bailrigg; Lancaster; U.K
4. Consiglio Nazionale delle Ricerche; Institute of Ecosystem Study; Verbania Pallanza; Italy
5. Norwegian Institute for Nature Research; Trondheim; Norway
6. Department of Aquatic Resources; Institute of Freshwater Research; Swedish University of Agricultural Sciences; Drottningholm; Sweden
7. Department of Environmental Sciences; University of Vic; Vic; Catalonia; Spain
8. Inland Fisheries Ireland; Swords Co.; Dublin; Ireland
9. Centre for Limnology at IAES; Estonian University of Life Sciences; Tartu; Estonia
10. Finnish Game and Fisheries Research Institute; Evo Fisheries Research Station; Evo; Finland