Project part-financed by the European Union (European Regional Development Fund)

The Interreg IVB North Sea Region Programme


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Groynes at the marsh near Waarde

Degree of synergistic effects and conflicts according to Natura 2000 aims

The intertidal flat near Waarde is part of the Natura 2000 estuary habitat (code 1130) and more specific of the area Western Scheldt (Westerschelde) & Saeftinghe (nr° 122, side code NL9803061 for the Habitat Directive and NL9802026 for the Bird Directive). This measure was able to stop erosion of the tidal flat and salt marsh near Waarde and increase their ecological function, i.e. more benthic species (Alterra , Alterra). Hence, this measure has the possibility to conserve and improve estuary habitat. In addition, more area of mud flat makes this area more valuable for birds (breeding, migratory and wintering birds).
This measure was to a great extent suitable to reach the Natura 2000 aim to preserve the surface and increase the quality of intertidal mudflats and marshes with a positive effect on biodiversity.

CO Specification Effect? Short explanation
- - - 0 + ++
Habitat directive: estuary habitat Preserve and increase the quality of marshes, mud flats and salt grasslands.
Preserve undisturbed resting places and optimal breeding habitat.
        X The main goal of this measure was to stop erosion of the tidal flat and salt marsh near Waarde and increase their ecological function. (Figure 3)
Quality is also increased because this area is suitable for both ‘salt’ and ‘fresh’ plants (Figure 4).
More specific bare peat land transformed into intertidal mudflat rich in benthos species.
Bird directive Breeding birds       X   Observed birds:
  • Common Redshank (Tringa tetanus)
  • Common Tern (Sterna hirundo)
Migratory and wintering birds       X   Observed birds:
  • Duck species like Eurasian Wigeon (Anas Penelope), Common Teal (Anas crecca) and Northern Pintail (Anas acuta)
  • Waders like Dunlin (Calidris alpine), Common Oystercatcher (Haematopus ostralegus), Grey Plover (Pluvialis squatarola) and European Curlew (Numenius arquata)



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