GEOMAR Helmholtz Centre for Ocean Research Kiel (German), Swedish Meteorological and Hydrological Institute (Sweden), Abo Akademi University, Turku (Finland), Aarhus University (Denmark), Swedish University of Agricultural Sciences, Uppsala (Sweden), University of Warsaw (Poland), Geological Survey of Denmark and Greenland, Copenhagen (Denmark), University of Helsinki (Finland), University of Gothenburg (Sweden), Helmholtz Centre for Environmental Research Magdeburg (Germany), University of Turku (Finland), Finnish Environmental Institute (SYKE, Finland), Stockholm University (Sweden), University of Wisconsin-Madison (USA), Technical University of Denmark, National Institute of Aquatic Resources, Kongens Lyngby, (Denmark), National Marine Fisheries Research Institute, Gdynia (Poland), Thünen Institute - Institute of Baltic Sea Fisheries, Rostock (Germany), Estonian Marine Institute, University of Tartu, (Estonia), Lulea University of Technology (Sweden), Thünen Institute, Braunschweig (Germany), Linköping University (Sweden).