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Location Russia (Asian), Chita
Central coordinates 112o 50.00' East  49o 55.00' North
IBA criteria A1, A3, A4i, A4iii
Area 170,000 ha
Altitude 625 - 1,607m
Year of IBA assessment 2013





Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Daurian Partridge Perdix dauurica breeding  2012  4,400-6,800 breeding pairs  medium  A3  Least Concern 
Swan Goose Anser cygnoid breeding  2012  5-8 breeding pairs  medium  A1  Vulnerable 
Saker Falcon Falco cherrug breeding  2012  5-10 breeding pairs  medium  A1  Endangered 
Steppe Eagle Aquila nipalensis breeding  2012  5-12 breeding pairs  medium  A3  Least Concern 
Great Bustard Otis tarda breeding  2012  30-50 females only  medium  A1, A3  Vulnerable 
Siberian Crane Leucogeranus leucogeranus non-breeding  2012  2 individuals  good  A1  Critically Endangered 
White-naped Crane Antigone vipio breeding  2012  7-10 breeding pairs  medium  A1, A3, A4i  Vulnerable 
Demoiselle Crane Anthropoides virgo breeding  1990-2012  200-1,500 breeding pairs  medium  A3, A4i  Least Concern 
Mongolian Lark Melanocorypha mongolica breeding  2012  92,000-123,000 breeding pairs  medium  A3  Least Concern 
Blyth's Pipit Anthus godlewskii breeding  2012  34,000-53,000 breeding pairs  medium  A3  Least Concern 
Yellow-breasted Bunting Emberiza aureola breeding  2013  35-76 breeding pairs  medium  A1  Endangered 
A4iii Species group - waterbirds passage  1990-2012  4,000-130,000 individuals  medium  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Gornaya Step' Zakaznik 5,273 protected area contained by site 5,273  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Grassland Steppe  30%
Wetlands (inland)   15%
Forest   50%
Artificial - terrestrial Arable land  5%

Land use

Land-use Extent (% of site)
agriculture 25%
hunting 10%
nature conservation and research 1%
forestry 50%
not utilised 50%

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 O.A.Goroshko

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Middle Onon. Downloaded from http://www.birdlife.org on 21/08/2014

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