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Location Belarus, Vitebsk
Central coordinates 28o 7.00' East  56o 5.00' North
IBA criteria B2
Area 29,654 ha
Altitude 131 - 169m
Year of IBA assessment 2000

Akhova Ptushak Belarusi

Site description The site is a large complex of lakes, forests, and transition and bog mires. The core of the IBA is Osveia Lake which defines much of the hydrology and climate of northern Belarus.

Key Biodiversity A total of 164 breeding bird species have been recorded, including 36 species listed in the National Red Data Book. Osveia Lake is one of the largest breeding and post-breeding grounds in Belarus for numerous huntable waterbird species: Mallard Anas platyrhynchos, Pochard Aythya ferina, and Coot Fulica atra. The Lake and the surrounding areas have a high value for large concentrations of waterbirds during spring and autumn migration.

Non-bird biodiversity: A total of 16 National Red Data Book plant species have been recorded. Some rare plants include hybrids of Black Alder and Grey Alder (Alnus glutinosa and A. incana), tall-stalk forms of Betula pendula var. carelica, a large population of Yellow Pondlily Nuphar pumila, as well as a rare insectivorous plant Waterwheel Aldrovanda vesiculosa.Four mammal species found on the site are listed in the National Red Data Book of Belarus.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Common Pochard Aythya ferina breeding  1988  400-600 breeding pairs  good  B3  Vulnerable 
Eurasian Bittern Botaurus stellaris breeding  1988  40-60 breeding pairs  medium  B2  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Osveiski Wetlands of International Importance (Ramsar) 45,200 protected area contains site 22,600  
Osveyskiy Nature Sanctuary or Partial Reserve 22,600 protected area contains site 22,600  


IUCN habitat Habitat detail Extent (% of site)
Forest Mixed woodland  30%
Wetlands (inland) Raised bogs; Standing freshwater; Water fringe vegetation  50%
Grassland   6%
Shrubland   4%

Land use

Land-use Extent (% of site)
forestry 50%
hunting 30%
nature conservation and research 20%

Protection status National Conservation Status: A national landscape zakaznik was established in 2000 on the basis of the former hunting zakaznik.International Conservation Status: An IBA was established in 1998 (code BY001, criteria Â2, Â3).Ramsar site (criterion 1, 5, 6).

References A.Kozulin, L.Vergeichik, M.Nikiforov and others. Treasures of Belarusian nature.- Minsk, 2002. -160 p.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Asvieja. Downloaded from on 23/10/2016

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