Effectiveness according to development targets of measure
-Step 1: Definition of development targets
- Development of specific estuarine, tidally influenced processes
- Availability of shallow water habitats for aquatic fauna, especially in the oligohaline zone of the Weser River
- Development of reed and wet grassland habitats
-Step 2: Degree of target achievement
Although the tidal influence is restricted by three overflow barriers, the project area is regularly influenced by the tides and the appearance of several specific vegetation and fauna features of the brackish water zone of the Weser was confirmed by the monitoring results. Due to heightening two overflow barriers, the amount of suspended matter entering the project could be reduced. This means that –to the benefit of vegetation, fauna and water structures- les maintenance effort can be expected in the future. The degree of target achievement can be considered as high.
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