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Location Belgium, Région Wallonne
Central coordinates 5o 46.00' East  50o 5.00' North
IBA criteria C6
Area 34,678 ha
Altitude
Year of IBA assessment 2000

BirdLife Belgium



Site description An undisturbed part of the Ourthe valley with wooded slopes.

Key Biodiversity Species listed on Annex I of the EC Birds Directive occurring on passage or wintering include Milvus migrans, Circus cyaneus, C. aeruginosus, Pandion haliaetus and Lullula arborea.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Hazel Grouse Bonasa bonasia resident  1 breeding pairs  medium  C6  Least Concern 
Black Stork Ciconia nigra breeding  1-3 breeding pairs  medium  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bassin inférieur de l'Ourthe occidentale (Bertogne; Houffalize; La Roche-en-Ardenne; Tenneville) - BE34032C0 Birds Directive 818 protected area overlaps with site 720  
Bassin inférieur de l'Ourthe orientale (Gouvy; Houffalize; La Roche-en-Ardenne) - BE34024A0 Birds Directive 2,308 protected area overlaps with site 1,571  
Bassin inférieur de l'Ourthe orientale (Gouvy; Houffalize; La Roche-en-Ardenne) - BE34024B0 Habitats Directive 2,117 protected area overlaps with site 1,454  
Bassin supérieur de la Salm (Gouvy; Vielsalm) - BE34020A0 Birds Directive 511 protected area overlaps with site 338  
Bassin supérieur de la Salm (Gouvy; Vielsalm) - BE34020B0 Habitats Directive 759 protected area overlaps with site 338  
Bassin supérieur de la Wiltz (Bastogne) - BE34035A0 Birds Directive 291 protected area overlaps with site 159  
Bassin supérieur de la Wiltz (Bastogne) - BE34035B0 Habitats Directive 178 protected area overlaps with site 60  
Etangs de Longchamps et de Noville (Bastogne; Bertogne; Houffalize) - BE34033A0 Birds Directive 380 protected area contained by site 380  
Etangs de Longchamps et de Noville (Bastogne; Bertogne) - BE34033B0 Habitats Directive 346 protected area contained by site 346  
Sources du Ruisseau de Tavigny (Gouvy; Houffalize) - BE34034A0 Birds Directive 239 protected area contained by site 239  
Sources du Ruisseau de Tavigny (Gouvy; Houffalize) - BE34034B0 Habitats Directive 154 protected area contained by site 154  
Vallée de l'Ourthe entre Nisramont et La Roche (Houffalize; La Roche-en-Ardenne; Rendeux) - BE34023A0 Birds Directive 1,824 protected area overlaps with site 1,160  
Vallée de l'Ourthe entre Nisramont et La Roche (Houffalize; La Roche-en-Ardenne; Rendeux) - BE34023B0 Habitats Directive 1,934 protected area overlaps with site 1,122  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland  20%
Shrubland Heathland; Scrub  -
Grassland Humid grasslands; Mesophile grasslands  1%
Wetlands (inland) Fens, transition mires and springs; Raised bogs; Rivers and streams; Standing freshwater; Water fringe vegetation  1%
Caves and subterranean habitats (non-aquatic) Caves  -
Artificial - terrestrial Forestry plantations; Highly improved re-seeded landscapes; Other urban and industrial areas; Perennial crops, orchards and groves; Ruderal land; Urban parks and gardens  70%
Rocky areas Scree & boulders  -

Land use

Land-use Extent (% of site)
agriculture 80%
fisheries/aquaculture 1%
forestry 15%
hunting -
nature conservation and research 1%
tourism/recreation -
urban/industrial/transport 5%
water management 1%

Protection status National None International High34,678 ha of IBA covered by Special Protection Area (Deux Ourthes, 34,678 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Deux Ourthes. Downloaded from http://www.birdlife.org on 18/12/2014

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