Eutrophication in Planktonic Ecosystems: Food Web Dynamics and Elemental Cycling

Interactions of Top-Down and Bottom-Up Control in Planktonic Nitrogen Cycling; P.M. Glibert. Population Regulation and Role of Mesozooplankton in Shaping Marine Pelagic Food Webs; T. Kiørboe. Retention Versus Export Food Chains: Processes Controlling Sinking Loss from Marine Pelagic Systems; P. Wassmann. A Theoretical Approach to Structuring Mechanisms in the Pelagic Food Web; T.F. Thingstad. 30 Years Eutrophication in Shallow Brackish Waters - Lessons to be Learned; U. Schiewer. Relations Between Planktivorous Fish Abundance, Zooplankton and Phytoplankton in Three Lakes of Differing Productivity; J. Sarvala, et al. Planktonic Food Web in Marine Mesocosms in the Eastern Mediterranean: Bottom-Up or Top-Down Regulation? P. Pitta, et al. Coupling of Autotrophic and Heterotrophic Processes in an Estuarine Mixing Gradient (Pomeranian Bight, Southern Baltic Sea); G. Jost, F. Pollehne. Variability of Nutrient Limitation in the Archipelago Sea, SW Finland; T. Kirkkala, et al. Effects of Environmental Factors on the Phytoplankton Community in the Gulf of Finland - Unattended High Frequency Measurement and Multivariate Analyses; E. Rantajärvi, et al. On the Production, Elemental Composition (C, N, P) and Distribution of Photosynthetic Organic Matter in the Southern Black Sea; A. Yilmaz, et al. Elemental Composition of Seston and the Nutrient Dynamics in the Sea of Marmara; S.Ç. Polat, et al. Impact of Increased River Discharge on the Phytoplankton Community in the Outer Oslofjord, Norway; S. Kristiansen. Vertical Migration of Autotrophic Micro-Organisms During a Vernal Bloom at the Coastal Baltic Sea - Coexistence through Niche Separation; K. Olli, et al. Group-Specific Phytoplankton Biomass/Dissolved Carbohydrate Relationships in the Gulf ofTrieste (Northern Adriatic); S. Terzic,et al. The Use of Spectral Fluorescence Methods to Detect Changes in the Phytoplankton Community; J. Seppälä, M. Balode. The Budgets of Nitrogen and Phosphorus in Shallow Eutrophic Lake Võrtsjäarv (Estonia); P. Nõges, et al. Vertical and Seasonal Distributions of Micro-Organisms, Zooplankton and Phytoplankton in a Eutrophic Lake; A.-M. Ventelä, et al. Biochemical Composition of Particulate Organic Matter and Bacterial Dynamics at the Sediment Water Interface in a Mediterranean Seagrass System; R. Danovaro, et al. Development of Microbial Community During Skeletonema costatum Detritus Degradation; K. Künnis. Nutrient Composition, Microbial Biomass and Activity at the Air-Water Interface of Small Boreal Forest Lakes; U. Münster, et al. Seasonal and Spatial Distribution of Bacterial Production and Biomass Along a Salinity Gradient (Northern Adriatic Sea); A. Puddu, et al. Incorporation of Spatial Structure into the Analysis of Relationships Between Environment and Marine Microbiological Parameters; J. Truu, et al. Summer Biomass and Feeding Activity of Phagotrophic Mixotrophs in the Northwestern Black Sea; T. Bouvier, et al. Spatial Structure and Ecological Efficiency in the Summer Zooplankton of a Glacial Lake; G. Galkovskaya, V.V. Arapov. Nitrogen, Phosphorus and Daphnia Grazing in Controlling Phytoplankton Biomass and Composition &endash; An Experimental Study; H. Karjalainen, et al. In situ Grazing Rate and Diel Vertical Migration of Female Calanus euxinus in the Black Sea; S. Besiktepe, et al. Zooplankton-Phytoplankton Interactions: A Possible Explanation of the Seasonal Succession in the Kuršiu Marios Lagoon; Z.R. Gasiunaite, I. Olenina. Closing Address: Perspectives on Basic and Applied, Freshwate