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Location Luxembourg, Canton de Clervaux
Central coordinates 5o 59.00' East  50o 9.00' North
IBA criteria C6
Area 1,261 ha
Altitude 440 - 512m
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
Black Stork Ciconia nigra breeding  2000-2009  1-2 breeding pairs  good  C6  Least Concern 
Circus cyaneus winter  1990-2005  5-10 individuals  medium  C6  Not Recognised 
Red Kite Milvus milvus breeding  1997-2009  2-3 breeding pairs  good  C6  Near Threatened 

IBA Monitoring

2009 high very unfavourable low
Good - based on reliable and complete / representative data

Agriculture and aquaculture annual & perennial non-timber crops - agro-industry farming happening now majority/most of area/population (50-90%) slow but significant 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%) slow but significant deterioration high
Natural system modifications other ecosystem modifications happening now small area/few individuals (<10%) no or imperceptible deterioration low

Grassland Humid grasslands  0 0 very poor (< 40%) very poor (< 40%) very unfavourable
Grassland Mesophile grasslands  0 0 good (> 90%) very poor (< 40%) very unfavourable
Shrubland Heathland  0 0 very poor (< 40%) very poor (< 40%) very unfavourable

Coturnix coturnix Common Quail 3 3 males only 100 favourable
Ciconia nigra Black Stork 1 1 breeding pairs 100 favourable
Milvus milvus Red Kite 2 3 breeding pairs 100 favourable
Saxicola rubetra Whinchat 5 0 - 0 very unfavourable
Motacilla flava Yellow Wagtail 6 0 - 0 very unfavourable
Anthus pratensis Meadow Pipit 1 1 - 100 favourable

Whole area of site (>90%) covered by appropriate conservation designation  No management planning has taken place  Some limited conservation initiatives are in place  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Basbellain-Schucklai Divers Nature Reserve 46 protected area contained by site 46  
Hautbellain-Foschtbaach Humid Zone 148 protected area contained by site 148  
Hautbellain-Rittefenn Humid Zone 196 protected area contained by site 196  
Troisvierges-Cornelysmillen Humid Zone 283 protected area contained by site 283  

Local conservation groups The local conservation group below is working to support conservation at this IBA.

Name Year formed
LNVL Clervaux 0


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Rivers and streams  1%
Artificial - terrestrial Arable land; Forestry plantations; Other urban and industrial areas; Ruderal land  44%
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Mixed woodland  4%
Grassland Humid grasslands; Mesophile grasslands  49%
Shrubland Scrub  2%

Land use

Land-use Extent (% of site)
forestry 10%
agriculture 32%
hunting major
tourism/recreation minor
rangeland/pastureland 49%

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Valley of the Woltz. Downloaded from on 25/10/2016

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