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Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Purple Heron Ardea purpurea	LC	breeding	1991	47 breeding pairs	C6
Western Marsh-harrier Circus aeruginosus	LC	breeding	1997	6 breeding pairs	C6
Montagu's Harrier Circus pygargus	LC	breeding	1991	23-27 breeding pairs	C6
Hen Harrier Circus cyaneus	LC	breeding	1991	4 breeding pairs	C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Marais de Braud-et-Saint-Louis et de Saint-Ciers-sur-Gironde	Site of Community Importance (Habitats Directive)	4,850	protected area overlaps with site	4,313
FR206	Hunting Reserve	125	protected area contained by site	125
Estuaire de la Gironde et de la mer des Pertuis	Parc naturel marin	650,000	protected area is adjacent to site	0
Estuaire de la Gironde : marais du Blayais	Special Protection Area (Birds Directive)	6,871	protected area contained by site	6,774
Estuaire de la Gironde	Site of Community Importance (Habitats Directive)	61,080	protected area is adjacent to site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Broadleaved deciduous woodland	-
Grassland	Humid grasslands	-
Wetlands (inland)	Standing brackish and salt water, Water fringe vegetation	-
Artificial/Terrestrial	Arable land	-
Coastline	Salt marshes, Mud flats & sand flats	-

For further information about the habitat classification please click here.

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

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Estuaire de la Gironde : marais du Blayais. Downloaded from http://www.birdlife.org on 25/01/2022.