Data Zone
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'):| Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
|---|---|---|---|---|---|
| Eurasian Bittern Botaurus stellaris | LC | breeding | 1991 | 8-10 breeding pairs | C6 |
| Common Little Bittern Ixobrychus minutus | LC | breeding | 1991 | 6-10 breeding pairs | C6 |
| Western Marsh-harrier Circus aeruginosus | LC | breeding | 1991 | 12 breeding pairs | C6 |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2000).
| Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
|---|---|---|---|---|
| Marais de Vesles-et-Caumont | Réserve naturelle nationale | 109 | protected area overlaps with site | 109 |
| Marais de la Souche | Special Protection Area (Birds Directive) | 2,410 | protected area overlaps with site | 2,220 |
| Marais de la Souche | Site of Community Importance (Habitats Directive) | 2,747 | protected area overlaps with site | 2,496 |
| Les Terrains Julien | Terrain acquis par un conservatoire d'espaces naturels | 17 | protected area contained by site | 0 |
| Les Communaux | Terrain acquis par un conservatoire d'espaces naturels | 45 | protected area contained by site | 0 |
| Le Grand Marais | Terrain acquis par un conservatoire d'espaces naturels | 19 | protected area contained by site | 0 |
| Habitat (IUCN level 1) | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Alluvial and very wet forest | - |
| Grassland | Humid grasslands | - |
| Wetlands (inland) | Standing freshwater, Water fringe vegetation, Fens, transition mires and springs | - |
| Artificial/Terrestrial | Highly improved re-seeded landscapes, Arable land, Perennial crops, orchards and groves | - |
| Land-use | Extent (% of site) |
|---|---|
| agriculture | - |
| fisheries/aquaculture | - |
| forestry | - |
| hunting | - |
| urban/industrial/transport | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Marais de la Souche. Downloaded from
http://datazone.birdlife.org/site/factsheet/marais-de-la-souche-iba-france on 04/10/2023.
