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Location France, Nord-Pas-de-Calais
Central coordinates 1o 38.00' East  50o 28.00' North
IBA criteria C6
Area 1,500 ha
Altitude 0 - 2m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux



Site description An area of marshes with ponds, reedbeds (Phragmites), wet meadows and deciduous woodlands.

Key Biodiversity The area is important for birds breeding in reedbeds and passage waterbirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bluethroat Luscinia svecica breeding  1991  10-20 breeding pairs  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Dunes de Merlimont - FR3112004 Birds Directive 1,033 protected area is adjacent to site 0  
Marais de Balançon - FR3110083 Birds Directive 1,007 protected area overlaps with site 861  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland  -
Grassland Humid grasslands  5%
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  93%

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
urban/industrial/transport -

Protection status National None International Partial1,200 ha of IBA covered by Special Protection Area (Marais de Balançon, 1,200 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Marais de Balançon et de Villiers. Downloaded from http://www.birdlife.org on 22/12/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife