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The site was identified as internationally important for bird conservation in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Northern Shoveler Spatula clypeata	LC	winter (1997)	125–624 birds	B1i, C3
Northern Shoveler Spatula clypeata	LC	passage (1997)	500 birds	B1i, C3
White Stork Ciconia ciconia	LC	breeding (1997)	5 pairs	C6
Purple Heron Ardea purpurea	LC	breeding (1997)	148–150 pairs	B2, C2, C6
Black-winged Stilt Himantopus himantopus	LC	breeding (1997)	30–40 pairs	C6
Dunlin Calidris alpina	NT	winter (1997)	10,500–16,517 birds	B1i, B2, C3
Common Redshank Tringa totanus	LC	passage (1997)	2,000 birds	B1i, C3
Black Tern Chlidonias niger	LC	breeding (1996)	10–20 pairs	C6
Western Marsh-harrier Circus aeruginosus	LC	breeding (1997)	20–40 pairs	C6
Montagu's Harrier Circus pygargus	LC	breeding (1995)	35–45 pairs	B3, C6
Black Kite Milvus migrans	LC	breeding (1997)	20–40 pairs	C6
A4iii Species group - waterbirds	n/a	unknown (1997)	min 20,000 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Bois des Mornards	Terrain acquis par un conservatoire d'espaces naturels (IV)	<1
-	Marais de Voutron	Terrain acquis par un conservatoire d'espaces naturels (IV)	<1
1978	Marais D'Yves - Baie des Roussies	Terrain acquis par le Conservatoire du Littoral (IV)	1
1981	Marais d'Yves	Réserve naturelle nationale (IV)	1
1982	Rive gauche du canal de Charras	Arrêté de protection de biotope (IV)	<1
2015	Estuaire de la Gironde et de la mer des Pertuis	Parc naturel marin (V)	14

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	-	Arable land
Forest	-	Broadleaved deciduous woodland
Grassland	-	Humid grasslands
Marine Coastal/Supratidal	-
Marine Intertidal	-
Marine Neritic	-

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
hunting	-
tourism/recreation	-
urban/industrial/transport	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Anse de Fouras, baie d'Yves et marais de Rochefort (France). Downloaded from https://datazone.birdlife.org/site/factsheet/anse-de-fouras-baie-dyves-et-marais-de-rochefort-iba-france on 22/12/2024.