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Location France, Pays de la Loire
Central coordinates 0o 28.00' West  47o 34.00' North
IBA criteria A1, A4i, A4iii, B1i, B2, B3, C1, C2, C3, C4, C6
Area 6,450 ha
Altitude 16 m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description The site encompasses rivers, streams, wet meadows and Populus plantations.

Key Biodiversity This is the best site in France for breeding Crex crex. The site holds 20,000 or more waterbirds on passage, on a regular basis.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Northern Pintail Anas acuta passage  1997  300-4,000 individuals  B1i, C3  Least Concern 
Northern Shoveler Spatula clypeata passage  1997  100-450 individuals  B1i, C3  Least Concern 
Corncrake Crex crex breeding  1997  380-411 breeding pairs  A1, B2, C1, C2, C6  Least Concern 
Spotted Crake Porzana porzana breeding  1991  5-10 breeding pairs  B3, C6  Least Concern 
Black-tailed Godwit Limosa limosa passage  1991  4,000-30,000 individuals  A4i, B1i, C3  Near Threatened 
A4iii Species group - waterbirds passage  1997  20,000-49,999 individuals  unknown  A4iii, C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Basses Vallees Angenvines Wetlands of International Importance (Ramsar) 6,450 protected area contained by site 6,450  
LPO-BirdLife Parcels Private Reserve 361 protected area contained by site 361  


IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands  95%
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  -
Artificial - terrestrial Arable land  -

Land use

Land-use Extent (% of site)
agriculture 95%
fisheries/aquaculture -
forestry 5%
hunting -

Protection status National Low International High361 ha of IBA covered by Private Reserve (LPO-BirdLife, 361 ha). 6,450 ha of IBA covered by Ramsar Site (Basses Vallées Angevines, 6,450 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Basses Vallées Angevines. Downloaded from on 23/10/2016

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