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Location Bulgaria
Central coordinates 26o 25.03' East  42o 33.98' North
IBA criteria A1, A4i, B1i, B2, C1, C2, C6
Area 5,636 ha
Altitude 131 - 161m
Year of IBA assessment 2005

Bulgarian Society for the Protection of Birds

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Bittern Botaurus stellaris resident  1999  4-5 breeding pairs  medium  C6  Least Concern 
Great White Egret Ardea alba winter  1999  50-150 individuals  good  A4i, B1i, C2  Least Concern 
Pygmy Cormorant Microcarbo pygmaeus winter  1999  8-630 individuals  good  A1, A4i, B1i, C1, C2  Least Concern 
Montagu's Harrier Circus pygargus resident  1999  1-5 breeding pairs  good  C6  Least Concern 
Common Kingfisher Alcedo atthis resident  1999  10-12 breeding pairs  good  B2  Least Concern 
European Bee-eater Merops apiaster breeding  1999  180-200 breeding pairs  good  B2  Least Concern 
Tawny Pipit Anthus campestris breeding  1999  20-40 breeding pairs  good  C6  Least Concern 

IBA Monitoring

2007 very high not assessed not assessed
Medium - based upon reliable but incomplete / partially representative data

Agricultural expansion and intensification annual & perennial non-timber crops - small-holder farming happening now small area/few individuals (<10%) moderate to rapid deterioration low
Agricultural expansion and intensification wood and pulp plantations (includes afforestation) - agro-industry plantations happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Adata-Tundzha - BG0002094 Birds Directive 5,636 is identical to site 5,636  
Reka Tundzha 1 - BG0000192 Habitats Directive 8,169 protected area overlaps with site 2,209  

Land use

Land-use Extent (% of site)
hunting 90%
agriculture 86%
urban/industrial/transport 5%
water management 3%

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Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Adata-Tundzha. Downloaded from on 01/04/2015

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