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Location Luxembourg, Canton d'Esch/Alzette,Canton de Capellen,Canton de Luxembourg
Central coordinates 5o 59.00' East  49o 35.00' North
IBA criteria B2, B3, C6
Area 5,059 ha
Altitude 278 - 395m
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
Milvus migrans breeding  2003-2009  10-16 breeding pairs  good  B2, C6  Not Recognised 
Corncrake Crex crex breeding  2007-2009  4 males only  good  C6  Least Concern 
Middle Spotted Woodpecker Leiopicus medius resident  2000-2009  15-20 breeding pairs  medium  B3, C6  Least Concern 

IBA Monitoring

2009 medium very unfavourable low

Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) slow but significant deterioration medium

Perdix perdix Grey Partridge 30 20 breeding pairs 67 unfavourable
Milvus migrans 10 16 breeding pairs 100 favourable
Vanellus vanellus Northern Lapwing 40 10 breeding pairs 25 very unfavourable

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)  
Dahlem-Asselborner Muer Humid Zone 47 protected area contained by site 47  
Hautcharage-Boufferdanger Muer Humid Zone 22 protected area contained by site 22  
Hautcharage-Griechten Forest Reserve 251 protected area contained by site 251  
Lei (Bertrange) Protected Area 126 protected area contained by site 126  
Mondercange-Kazebaach Humid Zone 55 protected area contained by site 55  


IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands; Mesophile grasslands  49%
Artificial - terrestrial Arable land; Forestry plantations; Perennial crops, orchards and groves  26%
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Mixed woodland  25%
Wetlands (inland) Rivers and streams; Standing freshwater  minor
Shrubland   minor

Land use

Land-use Extent (% of site)
forestry 22%
tourism/recreation minor
Notes: estimation
nature conservation and research minor
Notes: estimation
agriculture 24%
hunting -
Notes: estimation
rangeland/pastureland 49%

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Region of the Middle Lias. Downloaded from on 21/10/2016

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