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The inundation curve is different than in natural intertidal areas (duration is longer, and has three phases: ebb, stagnant and flood) but this does not obstruct the colonisation by fauna and flora. Initial terrestrial vegetation slowed down the establishment of estuarine species and thus removal before culvert opening could decrease this impact. The area is however too small to influence measurably the water quality of the Scheldt.
Based on the Lippenbroek pilot project, a lot of scientific insight was generated with respect to FCA-CRT and with intertidal mudflat and marsh in general.
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Lippenbroek: Flood Control Area with Controlled Reduced Tide (FCA-CRT)
Table of content
- 1. Description of measure
- 1a. Measure description
- 1b. Monitoring
- 1c. Monitoring results
- 2. Execution of main effectiveness criteria
- 2a. Effectiveness according to development targets of measure
- 2b. Impact on ecosystem services
- 2c. Degree of synergistic effects and conflicts according to uses
- 3. Additional evaluation criteria in view of EU environmental law
- 3a. Degree of synergistic effects and conflicts according to WFD aims
- 3b. Degree of synergistic effects and conflicts according to Natura 2000 aims
- 4. Crux of the matter
- 5. References
Additional information
for this measure:
No further information available.
for this measure:
No further information available.
Crux of the matter
Tidal marsh restoration with a FCA-CRT construction can happen very fast and spontaneously. The inlet sluice has to be situated sufficiently high to allow sufficient differences in inflow duration and volume and thus to create a large variation in inundation frequencies and water levels in the polder.The inundation curve is different than in natural intertidal areas (duration is longer, and has three phases: ebb, stagnant and flood) but this does not obstruct the colonisation by fauna and flora. Initial terrestrial vegetation slowed down the establishment of estuarine species and thus removal before culvert opening could decrease this impact. The area is however too small to influence measurably the water quality of the Scheldt.
Based on the Lippenbroek pilot project, a lot of scientific insight was generated with respect to FCA-CRT and with intertidal mudflat and marsh in general.