Project part-financed by the European Union (European Regional Development Fund)

The Interreg IVB North Sea Region Programme

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Lippenbroek: Flood Control Area with Controlled Reduced Tide (FCA-CRT)

Degree of synergistic effects and conflicts according to uses

Throughout the world, tidal marshes are being restored to obtain natural protection against recurring storm surges and sea level rise and to preserve the resources these habitats provide [6]. Furthermore, this technique enhances opportunities to combine different societal functions (safety, agriculture, ecology, inhabitation…) in coastal defence schemes and will increase the public acceptability and political willingness to implement coastal defence schemes (French 2006, Weinstein 2007) [6].
However, a possible conflict is related to the high sedimentation at Lippenbroek. On the one hand this is positive from an ecological point of view (diverse morphological topography) but on the other hand this could be negative for the water storage capacity of the area. Monitoring showed a net sedimentation on the site and hence a loss of the safety function. Measures are taken to try to minimise sedimentation to an acceptable level for safety. How this will work on the long term is still uncertain at Lippenbroek.
The public acceptance during implementation was medium because there are no neighbours and little was known about the project. Only few conflicts were observed. After implementation, a lot of positive reactions followed. For example, some municipalities included Lippenbroek in touristic brochures. However, also negative reactions were given by people that fear that such a FCA-CRT will be installed in their backyard (but often with people that have not visited the site yet).

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Report: Management measures analysis and comparison