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Location France, Corse
Central coordinates 8o 58.00' East  42o 24.00' North
IBA criteria A1, A2, A3, B2, C1, C2, C6
Area 3,800 ha
Altitude 950 - 2,710m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description Sclerophyllous scrub and Pinus forests, mixed woodland, scree, rocky slopes, cliffs, alpine grasslands and permanent snow.

Key Biodiversity An important site for the endemic Sitta whiteheadi and endemic subspecies such as Accipiter gentilis arrigonii, Buteo buteo arrigonii, Troglodytes troglodytes koenigi and Muscicapa striata tyrrhenica.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bearded Vulture Gypaetus barbatus breeding  1996  1 breeding pairs  B2  Near Threatened 
Corsican Nuthatch Sitta whiteheadi breeding  1991  10-100 breeding pairs  A1, A2, A3, B2, C1, C2, C6  Vulnerable 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
FR278 Hunting Reserve 1,000 protected area contained by site 1,000  


IUCN habitat Habitat detail Extent (% of site)
Forest Native coniferous woodland  -
Shrubland Sclerophyllous scrub, garrigue and maquis  -
Grassland Alpine, subalpine and boreal grassland  -
Rocky areas Inland cliffs; Scree & boulders  -

Land use

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

Protection status National Partial International High1,000 ha of IBA covered by Hunting Reserve (1,000 ha). 3,800 ha of IBA covered by Special Protection Area (Haute Vallée d'Asco, 6,800 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Vallée d'Asco. Downloaded from on 26/10/2016

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