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Location Austria, Niederösterreich,Wien
Central coordinates 16o 10.00' East  47o 58.00' North
IBA criteria B2, C6
Area 15,106 ha
Altitude 220 - 900m
Year of IBA assessment 2009

BirdLife Austria

Site description The Thermenlinie lies on the eastern edge of the Alps and is a region of limestone and dolomitic limestone. Land-use is predominantly vineyards interspersed with arable fields, dry calcareous grassland and many small patches of woodland. Human activities include quarrying and recreation.

Key Biodiversity This site is important for breeding species associated with a mixed agricultural landscape.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Eagle-owl Bubo bubo resident  1997-2005  15-20 breeding pairs  good  B2, C6  Least Concern 
European Nightjar Caprimulgus europaeus breeding  1997-2005  20-30 breeding pairs  good  C6  Least Concern 
Wood Lark Lullula arborea breeding  1997-2005  170-190 breeding pairs  good  B2, C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Eichkogel Nature Reserve 68 protected area overlaps with site 68  
Glaslautererriegel--Heferlberg Unknown 16 protected area overlaps with site 16  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland  10%
Grassland Steppes and dry calcareous grassland  5%
Artificial - terrestrial Arable land; Other urban and industrial areas; Perennial crops, orchards and groves  85%

Land use

Land-use Extent (% of site)
agriculture 80%
forestry 10%
urban/industrial/transport 5%

Protection status National Low International High84 ha of IBA covered by protected areas (Glaslautererriegel-Heferlberg, 16 ha; Eichkogel, 68 ha). 10,000 ha of IBA covered by Special Protection Area (Wienerwald-Thermenregion, 95,688 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Thermenlinie. Downloaded from on 27/10/2016

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