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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Northern Shoveler Spatula clypeata	LC	winter	1997	233-2,940 individuals	B1i, C3
Northern Pintail Anas acuta	LC	winter	1997	65-706 individuals	B1i, C3
Common Teal Anas crecca	LC	winter	1997	4,300-13,049 individuals	B1i, C3
Corncrake Crex crex	LC	breeding	1994	52-53 breeding pairs	A1, B2, C1, C2, C6
Spotted Crake Porzana porzana	LC	breeding	1991	10-15 breeding pairs	B3, C6
Eurasian Bittern Botaurus stellaris	LC	breeding	1991	5-10 breeding pairs	C6
Pied Avocet Recurvirostra avosetta	LC	winter	1997	850-2,590 individuals	A4i, B1i, B2, C2
Black-winged Stilt Himantopus himantopus	LC	breeding	1996	18-19 breeding pairs	C6
Black Tern Chlidonias niger	LC	breeding	1991	10-20 breeding pairs	C6
Bluethroat Luscinia svecica	LC	breeding	1991	50 breeding pairs	C6
A4iii Species group - waterbirds	n/a	winter	1997	min 20,000 individuals	A4iii, C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2000) may differ.

Year	Protected Area	Designation	% overlap with IBA
-	Ile de la Pierre rouge	Hunting Reserve	1
-	Estuaire de la Loire	Hunting Reserve	16
-	Massereau	Hunting Reserve	2
1995	Estuaire de la Loire	Site of Community Importance (Habitats Directive)	88
1995	Grande Briere	Ramsar Site, Wetland of International Importance	3
1996	Marais de Liberge	Arrêté de protection de biotope	<1
1997	ESTUAIRE DE LA LOIRE	Terrain acquis par le Conservatoire du Littoral	12
2002	Stations d'Angélique des Estuaires des berges de la Loire	Arrêté de protection de biotope	-
2006	Estuaire de la Loire	Special Protection Area (Birds Directive)	81
2006	Estuaire de la Loire - Baie de Bourgneuf	Special Protection Area (Birds Directive)	3
2008	Estuaire de la Loire Nord	Site of Community Importance (Habitats Directive)	3

Habitat1	Habitat detail	% of IBA
Grassland	Humid grasslands	major (>10)
Marine Intertidal		major (>10)
Marine Neritic		major (>10)
Artificial/Terrestrial	Arable land	minor (<10)
Forest	Broadleaved deciduous woodland, Alluvial and very wet forest	minor (<10)

1. IUCN Habitat classification.

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: Estuaire de la Loire (France). Downloaded from https://datazone.birdlife.org/site/factsheet/estuaire-de-la-loire-iba-france on 22/11/2024.