Marais arrières littoraux picards

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
Spotted Crake Porzana porzana LC breeding 1991 2-12 breeding pairs B3, C6
Eurasian Bittern Botaurus stellaris LC breeding 1991 10-12 breeding pairs C6
Western Marsh-harrier Circus aeruginosus LC breeding 1991 10-13 breeding pairs C6
Bluethroat Cyanecula svecica LC breeding 1991 25-50 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

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Vallée de l'Authie Site of Community Importance (Habitats Directive) 658 protected area overlaps with site 177
Prairies et marais tourbeux de la basse vallée de l'Authie Site of Community Importance (Habitats Directive) 274 protected area overlaps with site 92
Marais arrière-littoraux picards Site of Community Importance (Habitats Directive) 1,686 protected area overlaps with site 1,576
Marais arrière-littoraux picards Special Protection Area (Birds Directive) 15,214 protected area contained by site 1,833


IUCN Habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest -
Grassland Humid grasslands -
Wetlands (inland) Standing freshwater, Rivers and streams, Water fringe vegetation, Fens, transition mires and springs -
Artificial/Terrestrial Perennial crops, orchards and groves -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Marais arrières littoraux picards. Downloaded from on 05/04/2020.