Estuaire de la Seine

Quick facts

  • Natura 2000 site (code FR2300121)
  • Under Habitats Directive
  • Since July 2003
  • Country: France
  • Administrative region: Haute-Normandie (FR23), Basse-Normandie (FR25)
  • Surface area: 113 km2 (11341.00 ha)
  • Marine area: 65%
  • Located in Atlantic biogeographical region
  • It protects 20 species of the Nature Directives
  • It protects 24 habitat types of the Habitats Directive

Source and more information: Natura 2000 Standard Data Form



Species summary

Nature directives' species in this site (20)
Species group Number
Amphibians 1
Fishes 8
Invertebrates 4
Mammals 7

Habitat types

Habitat type code Habitat type english name Cover [ha]
1110 Sandbanks which are slightly covered by sea water all the time 807
1130 Estuaries 6388
1140 Mudflats and sandflats not covered by seawater at low tide 316
1170 Reefs 150.5
1210 Annual vegetation of drift lines 1.7
1220 Perennial vegetation of stony banks 5.1
1310 Salicornia and other annuals colonizing mud and sand 4.8
1330 Atlantic salt meadows (Glauco-Puccinellietalia maritimae) 50.2
2110 Embryonic shifting dunes 7.4
2120 Shifting dunes along the shoreline with Ammophila arenaria ('white dunes') 1.1
2130 Fixed coastal dunes with herbaceous vegetation ('grey dunes') 79.1
2160 Dunes with Hippophaë rhamnoides 52.9
2180 Wooded dunes of the Atlantic, Continental and Boreal region 140
2190 Humid dune slacks 3
3140 Hard oligo-mesotrophic waters with benthic vegetation of Chara spp 8.5
3150 Natural eutrophic lakes with Magnopotamion or Hydrocharition -type vegetation 19.85
3260 Water courses of plain to montane levels with the Ranunculion fluitantis and Callitricho-Batrachion vegetation 0.01
6210 Semi-natural dry grasslands and scrubland facies on calcareous substrates (Festuco-Brometalia) (* important orchid sites) 30
6430 Hydrophilous tall herb fringe communities of plains and of the montane to alpine levels 12000
6510 Lowland hay meadows (Alopecurus pratensis, Sanguisorba officinalis) 25
8310 Caves not open to the public 0
9120 Atlantic acidophilous beech forests with Ilex and sometimes also Taxus in the shrublayer (Quercion robori-petraeae or Ilici-Fagenion) 52
9130 Asperulo-Fagetum beech forests 48
9180 Tilio-Acerion forests of slopes, screes and ravines 3

Designation information

NATURA 2000 is the ecological network for the conservation of wild animals and plant species and natural habitats of Community importance within the Union. It consists of sites classified under the Birds Directive and the Habitats Directive (the Nature Directives).

NATURA 2000 site under

Birds Directive 2009/147/EC (SPA) Not under Birds directive
Habitats Directive 92/43/EEC (SCI) Under Habitats directive
  • Date proposed as Site of Community Importance (SCI)
July 2003
  • Date confirmed as Site of Community Importance
November 2015
Date designated as Special Area of Conservation (SAC) October 2016
Date of Standard data form update November 2019

Interactive map

Other resources

Natura 2000 map viewer Interactive map designed for showing and querying Natura 2000 sites. Other information such as Nationally designated areas and LIFE projects are also available.
Protected planet map viewer Interactive map showing the World Database on Protected Areas
European protected sites map viewer Simple interactive map showing Natura 2000 sites and Nationally designated areas
Data download The Natura 2000 dataset is available from the European Environment Agency website
European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Phone: +45 3336 7100