Coastal Zone Management in a Changing Morphological Environment: A Case-Study from the Netherlands

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by Jos S. L. J. van Alphen, Ministry of Transport and Public, Works, Rijswijk, Netherlands,
Frank M. J. Hoozemans, Ministry of Transport and Public, Works, Rijswijk, Netherlands,

Document Type: Proceeding Paper

Part of: Coastal Zone '91:

Abstract: Between 1971 and 1986 three major estuaries in the Dutch Delta area were closed as part of the Delta-project. On the ebb-tidal delta complex of these estuaries (the so-called 'Voordelta') large morphological changes have taken place as a result of the new hydrodynamic conditions. These developments consist of the silting of former tidal channels and the emergence of intertidal shoals along the delta rim. The morphological developments have large consequences for present and future natural resources and the use of the area for fisheries and recreation (water sports) which are major sources of local income. This paper gives an outline of the policy plan that is being prepared by the government of the Netherlands and local authorities. This integrated policy plan is aimed at the conservation of morphological and ecological developments and will indicate how recreation and fisheries can fit into these developments. Different options are analyzed, compared and presented in a policy analysis instrument that is linked to a Geographical Information System.

Subject Headings: Coastal management | Case studies | Estuaries | Information systems | Fish management | Water-based recreation | Tides | Silt | Hydrodynamics | Netherlands

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