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Location France, Poitou-Charentes
Central coordinates 0o 57.00' West  46o 1.00' North
IBA criteria A4iii, B1i, B2, B3, C2, C3, C4, C6
Area 17,550 ha
Altitude 0 - 22m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description A bay with sandy beaches, saltwater lagoons and marshes, mudflats, rivers, ponds, wet meadows, small woodlands, grassland, and arable land.

Key Biodiversity The site holds 20,000 or more waterbirds in winter, on a regular basis.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Northern Shoveler Spatula clypeata winter  1997  125-624 individuals  B1i, C3  Least Concern 
Northern Shoveler Spatula clypeata passage  1997  500 individuals  B1i, C3  Least Concern 
White Stork Ciconia ciconia breeding  1997  5 breeding pairs  C6  Least Concern 
Purple Heron Ardea purpurea breeding  1997  148-150 breeding pairs  B2, C2, C6  Least Concern 
Western Marsh-harrier Circus aeruginosus breeding  1997  20-40 breeding pairs  C6  Least Concern 
Montagu's Harrier Circus pygargus breeding  1995  35-45 breeding pairs  B3, C6  Least Concern 
Milvus migrans breeding  1997  20-40 breeding pairs  C6  Not Recognised 
Himantopus himantopus breeding  1997  30-40 breeding pairs  C6  Not Recognised 
Common Redshank Tringa totanus passage  1997  2,000 individuals  B1i, C3  Least Concern 
Dunlin Calidris alpina winter  1997  10,500-16,517 individuals  B1i, B2, C3  Least Concern 
Black Tern Chlidonias niger breeding  1996  10-20 breeding pairs  C6  Least Concern 
A4iii Species group - waterbirds unknown  1997  20,000 individuals  unknown  A4iii, C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Marais d'Yves National Nature Reserve 192 protected area contained by site 185  


IUCN habitat Habitat detail Extent (% of site)
Coastline Mud flats & sand flats; Salt marshes; Sand dunes & beaches  -
Forest Broadleaved deciduous woodland  -
Grassland Humid grasslands  -
Wetlands (inland) Rivers and streams; Standing brackish and salt water; Standing freshwater; Water fringe vegetation  -
Sea Sea inlets and coastal features  -
Artificial - terrestrial Arable land  -

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
tourism/recreation -
urban/industrial/transport -

Protection status National Low International Partial185 ha of IBA covered by Nature Reserve (Le Marais d'Yves, 185 ha). 800 ha of IBA covered by Hunting Reserve (Anse de Fouras, 1,800 ha) 8,926 ha of IBA covered by Special Protection Area (Marais de Fouras, Baie d'Yves et Marais de Rochefort, 11,676 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Anse de Fouras, baie d'Yves et marais de Rochefort. Downloaded from on 26/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife