Marais du Mès, baie et dunes de Pont-Mahé, étang du Pont de Fer

Quick facts

  • Natura 2000 site (code FR5200626)
  • Under Habitats Directive
  • Since March 1999
  • Country: France
  • Administrative region: Pays de la Loire (FR51), Bretagne (FR52)
  • Surface area: 27 km2 (2688.00 ha)
  • Marine area: 21%
  • Located in Atlantic biogeographical region
  • It protects 7 species of the Nature Directives
  • It protects 27 habitat types of the Habitats Directive

Source and more information: Natura 2000 Standard Data Form



Species summary

Nature directives' species in this site (7)
Species group Number
Amphibians 1
Flowering Plants 1
Invertebrates 2
Mammals 3

Habitat types

Habitat type code Habitat type english name Cover [ha]
1110 Sandbanks which are slightly covered by sea water all the time 259.7
1130 Estuaries 69
1140 Mudflats and sandflats not covered by seawater at low tide 511.65
1150 Coastal lagoons 750
1160 Large shallow inlets and bays 24.88
1170 Reefs 15.05
1210 Annual vegetation of drift lines 10
1310 Salicornia and other annuals colonizing mud and sand 2.69
1320 Spartina swards (Spartinion maritimae) 1.9
1330 Atlantic salt meadows (Glauco-Puccinellietalia maritimae) 288
1410 Mediterranean salt meadows (Juncetalia maritimi) 241
1420 Mediterranean and thermo-Atlantic halophilous scrubs (Sarcocornetea fruticosi) 24.9
2110 Embryonic shifting dunes 1.03
2120 Shifting dunes along the shoreline with Ammophila arenaria ('white dunes') 1.05
2130 Fixed coastal dunes with herbaceous vegetation ('grey dunes') 7.1
2150 Atlantic decalcified fixed dunes (Calluno-Ulicetea) 2.6
2190 Humid dune slacks 0
3110 Oligotrophic waters containing very few minerals of sandy plains (Littorelletalia uniflorae) 1.1
3130 Oligotrophic to mesotrophic standing waters with vegetation of the Littorelletea uniflorae and/or of the Isoeto-Nanojuncetea 2.15
3150 Natural eutrophic lakes with Magnopotamion or Hydrocharition -type vegetation 1.77
4020 Temperate Atlantic wet heaths with Erica ciliaris and Erica tetralix 0.17
4030 European dry heaths 8.18
4040 Dry Atlantic coastal heaths with Erica vagans 39.48
6410 Molinia meadows on calcareous, peaty or clayey-silt-laden soils (Molinion caeruleae) 2.1
9120 Atlantic acidophilous beech forests with Ilex and sometimes also Taxus in the shrublayer (Quercion robori-petraeae or Ilici-Fagenion) 84
9180 Tilio-Acerion forests of slopes, screes and ravines 0
9190 Old acidophilous oak woods with Quercus robur on sandy plains 79

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)
March 1999
  • Date confirmed as Site of Community Importance
November 2015
Date designated as Special Area of Conservation (SAC) July 2016
Date of Standard data form update April 2007

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)
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