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Location Luxembourg, Canton de Clervaux
Central coordinates 6o 7.00' East  50o 8.00' North
IBA criteria C6
Area 1,703 ha
Altitude 272 - 515m
Year of IBA assessment 2009

Letzebuerger natur-A Vulleschutz-Liga

Site description An area of deciduous and coniferous forest, adjacent to the Our stream on the Luxembourg-Germany border. The site was included within a larger IBA (formerly LU001) in the previous international IBA inventory (Grimmett and Jones 1989).

Key Biodiversity One of the most important areas in Luxembourg for breeding Ciconia nigra, Pernis apivorus, Milvus milvus and Bonasa bonasia, all listed on Annex I of the EC Birds Directive.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Hazel Grouse Bonasa bonasia breeding  1990-2009  2-5 breeding pairs  medium  C6  Least Concern 
Black Stork Ciconia nigra breeding  2000-2009  1-2 breeding pairs  medium  C6  Least Concern 
European Honey-buzzard Pernis apivorus breeding  2000-2009  3-5 breeding pairs  medium  C6  Least Concern 
Red Kite Milvus milvus breeding  2003-2009  2-6 breeding pairs  good  C6  Near Threatened 

IBA Monitoring

2009 high very unfavourable low
Medium - based upon reliable but incomplete / partially representative data

Agriculture and aquaculture wood and pulp plantations (includes afforestation) - small-holder plantations happening now some of area/population (10-49%) slow but significant deterioration medium
Human intrusions and disturbance recreational activities happening now majority/most of area/population (50-90%) slow but significant deterioration high
Natural system modifications other ecosystem modifications happening now majority/most of area/population (50-90%) slow but significant deterioration high

Forest Broadleaved deciduous woodland  0 0 very poor (< 40%) very poor (< 40%) very unfavourable
Forest Broadleaved deciduous woodland  0 0 good (> 90%) good (> 90%) favourable
Wetlands (inland) Rivers and streams  0 0 good (> 90%) good (> 90%) favourable

Bonasa bonasia Hazel Grouse 15 5 breeding pairs 34 very unfavourable
Ciconia nigra Black Stork 1 1 breeding pairs 100 favourable
Milvus milvus Red Kite 1 3 breeding pairs 100 favourable

Whole area of site (>90%) covered by appropriate conservation designation  No management plan exists but the management planning process has begun  Some limited conservation initiatives are in place  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Vallée de l'Our - Trois Frontières - Dasbourg Protected Area 1,703 is identical to site 1,703  
Vallée de l'Our de Ouren àWallendorf Pont Special Conservation Area 5,679 protected area contains site 1,703  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Mixed woodland; Native coniferous woodland  68%
Grassland Humid grasslands; Mesophile grasslands  16%
Artificial - terrestrial Arable land; Forestry plantations; Other urban and industrial areas  15%
Wetlands (inland) Rivers and streams  1%

Land use

Land-use Extent (% of site)
forestry 79%
agriculture 5%
hunting major
rangeland/pastureland 15%
tourism/recreation major
nature conservation and research minor

Protection status National None International HighIBA entirely covered by Special Protection Area.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Upper Valley of the Our. Downloaded from on 26/10/2016

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