Effectiveness according to development targets of measure
Definition of development targets
- Creation of 68ha shallow water area inside the so-called ´A+E-Rinne´ as spawning area for fish and resting area for birds.
- Long-term conservation and establishment of shallow water areas with adjacent mudflats.
Achievement of development targets
- Not all development targets could be achieved by this compensation measure. The 68ha of shallow water area were established but a long-term stabilization could not be achieved. Due to strong sedimentation processes in the eastern part of the channel on 18 ha the development targets could not be achieved (view Fig. 2).
To regain the lost functions the eastern part of the channel was dredged again in 2012 leading to additional costs of 800.000 €.
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Reports / Measures / Tools