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Location Luxembourg, Canton de Mersch,Canton de Rédange
Central coordinates 5o 58.00' East  49o 45.00' North
IBA criteria B2, C6
Area 6,565 ha
Altitude 222 - 378m
Year of IBA assessment 2009

Letzebuerger natur-A Vulleschutz-Liga

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Red Kite Milvus milvus breeding  1997-2009  3-5 breeding pairs  good  C6  Near Threatened 
Milvus migrans breeding  1997-2009  6-9 breeding pairs  good  C6  Not Recognised 
Common Kingfisher Alcedo atthis resident  2000-2009  6-12 breeding pairs  medium  B2, C6  Least Concern 
Red-backed Shrike Lanius collurio breeding  2000-2009  30-60 breeding pairs  medium  C6  Least Concern 
Great Grey Shrike Lanius excubitor resident  2006-2007  10-14 breeding pairs  good  B2  Least Concern 

IBA Monitoring

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

Agriculture and aquaculture annual & perennial non-timber crops - agro-industry farming happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Agriculture and aquaculture livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Milvus migrans 3 9 breeding pairs 100 favourable
Athene noctua Little Owl 4 7 breeding pairs 100 favourable
Lanius excubitor Great Grey Shrike 14 7 breeding pairs 50 unfavourable
Anthus pratensis Meadow Pipit 15 2 - 14 not assessed

Some of site covered (10-49%)  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)  
Bissen-Laaschtert Divers Nature Reserve 164 protected area contained by site 164  
Bissen/Forges-Laach Humid Zone 14 protected area contained by site 14  
Calhus-Hassel Humid Zone 56 protected area contained by site 56  
Colpach-Bas/Wisich Humid Zone 31 protected area contained by site 31  
Ell-Groswis Humid Zone 48 protected area contained by site 48  
Fensterdall (Boevange-sur-Attert) Protected Area 11 protected area contained by site 11  


IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial Arable land; Forestry plantations; Other urban and industrial areas; Perennial crops, orchards and groves; Ruderal land  22%
Grassland Humid grasslands; Mesophile grasslands  61%
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Mixed woodland  15%
Shrubland Scrub  1%
Wetlands (inland) Rivers and streams; Standing freshwater  1%

Land use

Land-use Extent (% of site)
agriculture 17%
forestry 15%
rangeland/pastureland 61%
hunting -
nature conservation and research minor

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

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