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Kannen, A., Windhorst, W., Lenhart, H., Nunneri C.. Assessing catchment-coast interactions for the Elbe by linking scenarios, indicators and modelling. In: Schernewski, G., Dolch, T. (eds.). Geographie der Meere und Küsten. Coastline Reports (1), pp. 225-237. 2004.

Zusammenfassung:

While eutrophication creates impacts on coastal ecosystems and can result in negative impacts on coastal eco-system services, its source is often located far away from the coast, related to nutrient emissions from river catchments. Within the EU funded EUROCAT project a chain of tools and models were applied to assess these catchment-coast interactions. The Elbe catchment-coast sys-tem is one of several case studies within EURO-CAT. Aim of the project is to support Integrated River Basin Management (IRBM), as targeted in the Water Framework Directive (WFD), in order to mitigate possible externalities induced in the coastal zone by socio-economic development in the catchment. The DPSIR-approach of the European Environment Agency was se-lected as the analytical tool to handle this complex man-ecosystem interactions. Scenarios represent possible futures in which environmental risk perception, societal interpretation of environmental risk and (coastal) vul-nerability will influence political targets, such as the WFD implementation. Some society drivers and related policies are qualitatively assessed under each scenario and the resulting ecological impact on ecosystem integ-rity is quantified by applying the North Sea ecosystem model ERSEM. The presentation will outline the as-sessment framework focussing on the link be-tween scenarios, DPSIR-indicators and modelling of impacts for coastal waters from the Elbe plume. Future scenarios and related modelling results describing the ecological status of the German North Sea under different scenarios will be presented.

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