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Despite of regularly flooding and several storm surge events, the morphological changes observed were determined to small areas with high current velocities. The creek systems in the north and south of the project area were not affected by siltation and remained stable on a large scale. The tidally influenced creek systems represent important feeding grounds and refuges for water and wading birds as well as for marine and euraline fish species; e.g. juvenile stages of Three-stined stickleback (Gasterosteus aculeatus), European flounder (Platichthys flesus) and Common goby (Pomatoschistus spec.).
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Tegeler Plate
Table of content
- 1. Measure description
- 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 according to Natura 2000 aims
- 4. Crux of the matter
- 5. Literature
Additional information
for this measure:
No further information available.
for this measure:
No further information available.
Monitoring results
After measure implementation, the former grassland areas of the Tegeler Plate evolved to wide wet fallows with a high percentage of Canary reed-grass (Phalaris arundinacea) with Common reed (Phragmites australis) coming in from the ditch banks. The new habitats were quickly settled by common species like Reed warbler (Acrocephalus scirpaceus) and Common grasshopper warbler (Locustella naevia). Also, relatively rare and partly endangered species like Segde warbler (Acrocephalus schoenobaenus; max. 31 breeding pairs), Bearded reedling (Panurus biarmicus; max. 14 breeding pairs), Bluethroat (Luscinia svecica; max. 22 breeding pairs) and Savi's warbler (Locustella luscinioides; max. 2 breeding pairs) were found. After eight years of undisturbed development, the carabid fauna was dominated by typical reed species (e.g. Agonum thoreyi, Demetrias monostigma, Demetrias imperialis) and some specific tidal reed species appeared (e.g. Chloriona glaucescens). The natural scenery on the Tegeler Plate thus changed completely within few years: The former open, cultivated landscape changed to a tall, reed dominated ‘natural’ landscape which is widely inaccessible for people. The species composition depends mainly on frequency and duration of flooding events and on salinity.
Despite of regularly flooding and several storm surge events, the morphological changes observed were determined to small areas with high current velocities. The creek systems in the north and south of the project area were not affected by siltation and remained stable on a large scale. The tidally influenced creek systems represent important feeding grounds and refuges for water and wading birds as well as for marine and euraline fish species; e.g. juvenile stages of Three-stined stickleback (Gasterosteus aculeatus), European flounder (Platichthys flesus) and Common goby (Pomatoschistus spec.).