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Location Belgium, Région Wallonne
Central coordinates 5o 10.00' East  50o 7.00' North
IBA criteria B3, C6
Area 22,426 ha
Altitude
Year of IBA assessment 2000

BirdLife Belgium



Site description The area includes the most ornithologically interesting parts of the Calestienne and Famenne, along the River Meuse. A large variety of habitats are present including calcareous dry grasslands and woodlands.

Key Biodiversity Species listed on Annex I of the EC Birds Directive occurring on passage or in winter include Milvus migrans, Circus cyaneus, Falco peregrinus, F. columbarius, Pandion haliaetus and Pluvialis apricaria.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Hazel Grouse Bonasa bonasia resident  5-20 breeding pairs  medium  C6  Least Concern 
European Honey-buzzard Pernis apivorus breeding  15-20 breeding pairs  medium  C6  Least Concern 
Corncrake Crex crex breeding  10 breeding pairs  medium  C6  Least Concern 
Black Woodpecker Dryocopus martius resident  20-25 breeding pairs  good  C6  Least Concern 
Middle Spotted Woodpecker Leiopicus medius resident  40-50 breeding pairs  good  B3, C6  Least Concern 
Red-backed Shrike Lanius collurio breeding  60-90 breeding pairs  medium  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bassin de la Lesse entre Villers-sur-Lesse et Chanly (Nassogne; Rochefort; Tellin; Wellin) - BE35038A0 Birds Directive 2,571 protected area contained by site 2,571  
Bassin de la Lesse entre Villers-sur-Lesse et Chanly (Nassogne; Rochefort; Tellin; Wellin) - BE35038B0 Habitats Directive 2,284 protected area contained by site 2,284  
Bois de Famenne à Humain et Aye (Marche-en-Famenne) - BE34068C0 Birds Directive 541 protected area contained by site 541  
La Famenne entre Eprave et Havrenne (Marche-en-Famenne; Rochefort) - BE35025A0 Birds Directive 2,519 protected area contained by site 2,519  
La Famenne entre Eprave et Havrenne (Rochefort) - BE35025B0 Habitats Directive 1,700 protected area overlaps with site 1,609  
Nature reserves of lesse et Lomme Nature Reserve 1,419 protected area contained by site 1,419  
Vallée de la Lesse entre Villers-sur-Lesse et Houyet (Houyet; Rochefort) - BE35023A0 Birds Directive 543 protected area overlaps with site 85  
Vallée de la Lesse entre Villers-sur-Lesse et Houyet (Houyet; Rochefort) - BE35023B0 Habitats Directive 441 protected area overlaps with site 101  
Vallée de la Lomme de Grupont à Rochefort (Nassogne; Rochefort) - BE34028B0 Habitats Directive 158 protected area overlaps with site 130  
Vallée de la Lomme de Grupont à Rochefort (Nassogne) - BE34028A0 Birds Directive 78 protected area contained by site 78  
Vallée de la Wimbe (Beauraing; Rochefort; Wellin) - BE35037A0 Birds Directive 1,870 protected area overlaps with site 1,579  
Vallée de la Wimbe (Beauraing; Rochefort; Wellin) - BE35037B0 Habitats Directive 1,047 protected area overlaps with site 941  
Vallée du Biran (Beauraing; Houyet) - BE35036A0 Birds Directive 487 protected area overlaps with site 321  
Vallée du Biran (Beauraing; Houyet) - BE35036B0 Habitats Directive 374 protected area overlaps with site 181  
Vallées des Ruisseaux de Fenffe et du Vachau (Ciney; Houyet; Rochefort) - BE35024A0 Birds Directive 2,267 protected area overlaps with site 1,781  
Vallées des Ruisseaux de Fenffe et du Vachau (Ciney; Houyet; Rochefort) - BE35024B0 Habitats Directive 886 protected area overlaps with site 693  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland  40%
Shrubland Scrub  -
Grassland Humid grasslands; Mesophile grasslands  -
Wetlands (inland) Fens, transition mires and springs; Rivers and streams; Standing freshwater; Water fringe vegetation  -
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  45%
Rocky areas Scree & boulders  -

Land use

Land-use Extent (% of site)
agriculture 45%
fisheries/aquaculture 1%
forestry 40%
hunting 90%
nature conservation and research 1%
tourism/recreation -
urban/industrial/transport 10%

Protection status National Low International High1,419 ha of IBA covered by Nature Reserve (Nature Reserves of lesse et Lomme, 1,419 ha). 22,426 ha of IBA covered by Special Protection Area (Lesse et Lomme, 22,426 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Lesse et Lomme. Downloaded from http://www.birdlife.org on 27/11/2014

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