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Location Russia (Central Asian), Khanty-Mantymansiyski region
Central coordinates 65o 11.10' East  60o 37.38' North
IBA criteria A1, A3, A4i
Area 539,500 ha
Altitude 50 - 100m
Year of IBA assessment 2006





Key Biodiversity Important area for Bucephala clangula, Aquila clanga, Crex crex, Gallinago media, Numenius arquata.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Hazel Grouse Bonasa bonasia breeding  2004  300-2,000 breeding pairs  unknown  A3  Least Concern 
Western Capercaillie Tetrao urogallus resident  2004  100-400 breeding pairs  unknown  A3  Least Concern 
Whooper Swan Cygnus cygnus breeding  2004  6-12 breeding pairs  unknown  A3  Least Concern 
Common Goldeneye Bucephala clangula breeding  2004  80-600 breeding pairs  poor  A4i  Least Concern 
Common Goldeneye Bucephala clangula breeding  2004  600 breeding pairs  unknown  A3  Least Concern 
Horned Grebe Podiceps auritus breeding  2004  12-20 breeding pairs  unknown  A3  Least Concern 
Greater Spotted Eagle Clanga clanga breeding  2004  1-3 breeding pairs  poor  A1  Vulnerable 
Corncrake Crex crex breeding  2004  20-140 breeding pairs  poor  A1  Least Concern 
Great Snipe Gallinago media breeding  2004  20-50 breeding pairs  poor  A1  Near Threatened 
Eurasian Curlew Numenius arquata breeding  2004  200-1,000 breeding pairs  poor  A4i  Near Threatened 
Common Greenshank Tringa nebularia breeding  2004  30-100 breeding pairs  unknown  A3  Least Concern 
Green Sandpiper Tringa ochropus breeding  2004  20-80 breeding pairs  unknown  A3  Least Concern 
Long-toed Stint Calidris subminuta breeding  2004  3-8 breeding pairs  unknown  A3  Least Concern 
Great Grey Owl Strix nebulosa breeding  2004  8-12 breeding pairs  unknown  A3  Least Concern 
Northern Hawk-owl Surnia ulula breeding  2004  4-8 breeding pairs  unknown  A3  Least Concern 
Siberian Jay Perisoreus infaustus breeding  2004  present  A3  Least Concern 

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest   22%
Grassland   3%
Wetlands (inland)   70%
Artificial - terrestrial   5%

Land use

Land-use Extent (% of site)
forestry 8%
fisheries/aquaculture 18%
hunting 20%
tourism/recreation 10%
urban/industrial/transport 7%

Acknowledgements The identification of IBAs and information collected between 1980 and 2009 provided by the IBA network of the Russian Bird Conservation Union (RBCU).

References Sysoyev V.A.Boiko G.V.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Watershed of the Mulym'ya and Bolshoy Tap rivers. Downloaded from http://www.birdlife.org on 23/11/2014

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