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The shortfall of shallow water area and an unfavorable development of the evolved mudflats were considered to be the main reason for the absence of the predicted amount of Anas clypeata.
The compensation obligations of the coherence targets of NATURA 2000 for the species Anas clypeata was finally achieved by the designation of an old unused harbor area were wide mudflats had evolved and the resting population of Anas clypeata reached the demanded amounts of about 400 individuals.
It is important to keep in mind, that the system is highly dynamic and the development of an area can only be predicted and steered to a certain extend. .
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Compensation measure ‘Hahnöfer Sand’
Table of content
- 1. Measure description
- 1a. Introduction
- 1b. Objectives
- 1c. Background and side conditions
- 1d. Measure
- 1e. Expected effect
- 2. Execution of the main effectiveness criteria
- 2a. Effectiveness according to development targets of measure
- 2b. Impact on ecosystem services
- 2c. Degree of synergistic effects and conflicts according the uses
- 3. Additional evaluation criteria in view of EU environmental law
- 3a. Degree of synergistic effects and conflicts according WFD aims
- 3b. Degree of synergistic effects and conflicts according NATURA 2000 aims
- 4. Crux of the matter
- 5. Contact
- 6. References
Additional information
for this measure:
No further information available.
for this measure:
No further information available.
Crux of the matter
The reasons for the failure of the compensation target “Reaching a valuable resting population for Anas clypeata” was investigated within two studies.The shortfall of shallow water area and an unfavorable development of the evolved mudflats were considered to be the main reason for the absence of the predicted amount of Anas clypeata.
The compensation obligations of the coherence targets of NATURA 2000 for the species Anas clypeata was finally achieved by the designation of an old unused harbor area were wide mudflats had evolved and the resting population of Anas clypeata reached the demanded amounts of about 400 individuals.
It is important to keep in mind, that the system is highly dynamic and the development of an area can only be predicted and steered to a certain extend. .