Fredrik Wulff,^* Erik Bonsdorff,^** Ing-Marie Gren,^*** Sif Johansson,^**** Anders Stigebrandt<sup>*****


*</sup>Fredrik Wulff is professor of marine systems ecology at Stockholm University. He is responsible for the overall scientific coordination in MARE and for the development of the decision support system. His research is focused on linking descriptions of physical, biogeochemical, and biological processes into an understanding of marine ecosystems. His address: Department of Systems Ecology, University of Stockholm, SE-106 91 Stockholm, Sweden. fred@system.ecology.su.se
^**Erik Bonsdorff is professor of marine biology at Åbo Academy University. He is coordinating the ecological subprojects within MARE. His research is focused on large-scale effects of eutrophication on the coastal ecosystems of the Baltic Sea, and on functional marine biodiversity. His address: Environmental and Marine Biology, Åbo Academy University, Akademigatan 1, FIN-20500 Åbo, Finland. erik.bonsdorff@abo.fi
^***Ing-Marie Gren is professor of environmental and resource economics at Swedish University of Agricultural Sciences. She is responsible for the subprojects on cost-effective abatement measures within MARE. Her research is focused on costs and efficient policies for large-scale drainage basin management. Her address: Department of Economics, Swedish University of Agricultural Sciences, Box 7013, SE-750 07 Uppsala, Sweden. Ing-Marie.Gren@ekon.slu.se
^****Sif Johansson is Program Director of the MARE research program. She holds a PhD in marine ecology from Stockholm University with studies on effects of eutrophication in coastal areas. Her address: Research Secretariat, Swedish Environmental Protection Agency, SE-106 48 Stockholm, Sweden. sif.johansson@environ.se
^*****Anders Stigebrandt is professor of oceanography at Gothenburg University, Sweden. He is coordinating the physical-biogeochemical modeling subproject within MARE. His research interests are marine systems analysis and modeling, applied to physical and coupled physical and biogeochemical ocean systems, and also physical processes and the role of freshwater in ocean dynamics. His address: Oceanography/Earth Sciences Centre, Gothenburg University, Box 460, SE-40530 Gothenburg, Sweden. anst@oce.gu.se