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close| Location | France, Aquitaine |
| Central coordinates | 1o 20.00' West 43o 36.00' North |
| IBA criteria | A4iii, B1i, B2, C3, C4, C6 |
| Area | 4,250 ha |
| Altitude | 5 - 7m |
| Year of IBA assessment | 2000 |
Ornithological information The site holds 20,000 or more waterbirds in winter, on a regular basis (including Fulica atra 2,562; Vanellus vanellus 3,500). Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (wintering); Haliaeetus albicilla (wintering); Acrocephalus paludicola (passage).
Site description A lake, Pinus forests, heathland, marshes, wet meadows and cultivated fields.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Northern Shoveler Anas clypeata | winter | 1997 | 504-2,054 individuals | - | B1i, C3 | Least Concern |
| Northern Pintail Anas acuta | winter | 1997 | 414-859 individuals | - | B1i, C3 | Least Concern |
| Common Teal Anas crecca | winter | 1997 | 1,770-6,660 individuals | - | B1i, C3 | Least Concern |
| Black-crowned Night-heron Nycticorax nycticorax | breeding | 1991 | 20 breeding pairs | - | C6 | Least Concern |
| Little Egret Egretta garzetta | breeding | 1997 | 20 breeding pairs | - | C6 | Least Concern |
| Black-winged Stilt Himantopus himantopus | breeding | 1995 | 3 breeding pairs | - | C6 | Least Concern |
| Eurasian Curlew Numenius arquata | winter | 1997 | 38-2,500 individuals | - | B2 | Near Threatened |
| Common Kingfisher Alcedo atthis | breeding | 1991 | 20-30 breeding pairs | - | C6 | Least Concern |
| A4iii Species group - waterbirds | winter | 1997 | 20,000 individuals | unknown | A4iii, C4 |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Domaine d'Orx - FR7210063 | Birds Directive | 752 | protected area contained by site | 752 | |
| Marais d'Orx | National Nature Reserve | 775 | protected area contained by site | 775 |
|
| ZONES HUMIDES ASSOCIEES AU MARAIS D'ORX - FR7200719 | Habitats Directive | 988 | protected area contained by site | 988 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Native coniferous woodland | 25% |
| Shrubland | Heathland | 30% |
| Grassland | Humid grasslands | - |
| Wetlands (inland) | Standing freshwater; Water fringe vegetation | 26% |
| Artificial landscapes (terrestrial) | Arable land | 13% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 22% |
| urban/industrial/transport | - |
Management considerations The site was protected in 1986 and has since become of international importance for waterbirds. Nevertheless, water pollution from agricultural run-off remains a threat.
Protection status National Partial International Partial775 ha of IBA covered by Nature Reserve (Marais d'Orx, 775 ha). 4,250 ha of IBA covered by Hunting Reserve (4,250 ha). 785 ha of IBA covered by Special Protection Area (Domaine d'Orx, 785 ha).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Domaine d'Orx. Downloaded from http://www.birdlife.org on 18/06/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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