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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
Northern Shoveler Spatula clypeata	LC	winter	1997	1,800-4,000 individuals	B1i, C3
Northern Shoveler Spatula clypeata	LC	passage	1997	3,000-5,000 individuals	A4i, B1i, C3
Gadwall Mareca strepera	LC	breeding	1997	40-50 breeding pairs	B2
Northern Pintail Anas acuta	LC	passage	1997	1,000-1,200 individuals	B1i, C3
Common Coot Fulica atra	LC	passage	1997	20,000 individuals	B1i, C3
Eurasian Spoonbill Platalea leucorodia	LC	breeding	1991	10-15 breeding pairs	B1i, B2, C2, C6
Common Little Bittern Ixobrychus minutus	LC	breeding	1991	1-10 breeding pairs	C6
Black-crowned Night-heron Nycticorax nycticorax	LC	breeding	1994	55 breeding pairs	C6
Purple Heron Ardea purpurea	LC	breeding	1991	40-80 breeding pairs	C2, C6
Little Egret Egretta garzetta	LC	breeding	1991	180 breeding pairs	C6
Western Marsh-harrier Circus aeruginosus	LC	breeding	1997	20-40 breeding pairs	C6
Milvus migrans	NR	breeding	1991	15-25 breeding pairs	C6
A4iii Species group - waterbirds	n/a	passage	1997	20,000-49,999 individuals	A4iii, C4

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)
RIVES NORD DU LAC DE GRAND LIEU	Terrain acquis par le Conservatoire du Littoral	49	protected area overlaps with site	0
PRES DE SAINT-LUMINE ET DE SAINT-MARS	Terrain acquis par le Conservatoire du Littoral	23	protected area contained by site	0
Lac de Grand-Lieu	Réserve naturelle nationale	2,695	protected area contained by site	2,694
Lac de Grand-Lieu	Site of Community Importance (Habitats Directive)	6,292	protected area overlaps with site	5,600
Lac de Grand-Lieu	Réserve naturelle régionale	656	protected area contained by site	0
Lac de Grand-Lieu	Ramsar Site, Wetland of International Importance	6,300	protected area overlaps with site	5,600
LAC DE GRAND LIEU	Terrain acquis par le Conservatoire du Littoral	2,775	protected area contained by site	0
Lac de Grand Lieu	Special Protection Area (Birds Directive)	5,746	protected area overlaps with site	5,600

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Broadleaved deciduous woodland	-
Shrubland	Heathland	-
Grassland	Humid grasslands	-
Wetlands (inland)	Standing freshwater, Rivers and streams, Water fringe vegetation	-
Artificial/Terrestrial	Arable land, Perennial crops, orchards and groves	-

For further information about the habitat classification please click here.

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

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

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Lac de Grand-Lieu. Downloaded from http://www.birdlife.org on 25/01/2022.