Marais de Balançon et de Villiers

IBA Criteria

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
Bluethroat Cyanecula svecica LC breeding 1991 10-20 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

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Marais de villiers Terrain acquis par un conservatoire d'espaces naturels 21 protected area contained by site 0
Marais de Balançon Special Protection Area (Birds Directive) 1,007 protected area overlaps with site 861
Dunes de Merlimont Special Protection Area (Birds Directive) 1,033 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland -
Grassland Humid grasslands -
Wetlands (inland) Standing freshwater, Rivers and streams, Water fringe vegetation -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
urban/industrial/transport -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Marais de Balançon et de Villiers. Downloaded from on 04/08/2021.