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Location China (mainland), Inner Mongolia
Central coordinates 108o 50.00' East  41o 6.00' North
IBA criteria A1, A4i, A4iii
Area 29,333 ha
Altitude 1,000 - 1,017m
Year of IBA assessment 2009

Site description Located in the eastern part of Houtao Plain. Ulansuhai is the second largest lake in Inner Mongolia, extending 35-40 km from north to south and 5-10 km from east to west, with more than 290 km2 of open water. Emergent reeds and bulrushes cover 50% of the lake area, and these water plants separate the lake surface into several different sections. Ulansuhai supports one of the most important fisheries in Inner Mongolia.

Key Biodiversity 

Non-bird biodiversity: No information.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Baer's Pochard Aythya baeri passage  2008  present  A1  Critically Endangered 
Eurasian Spoonbill Platalea leucorodia unknown  2008  1,000 individuals  unknown  A4i  Least Concern 
Lesser Kestrel Falco naumanni unknown  2008  present  A1  Least Concern 
Pallas's Fish-eagle Haliaeetus leucoryphus unknown  2008  present  A1  Vulnerable 
Great Bustard Otis tarda breeding  2008  present  A1  Vulnerable 
Common Coot Fulica atra unknown  2008  present  A4i  Least Concern 
Relict Gull Larus relictus unknown  2008  present  A1  Vulnerable 
A4iii Species group - waterbirds unknown  2008  present  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Wuliangsuhainiaolei Protected Area 60,000 protected area contains site 29,333  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Ulansuhai Nur Nature Reserve. Downloaded from on 24/10/2016

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