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Location Mongolia, Sukhbaatar
Central coordinates 114o 0.00' East  45o 15.00' North
IBA criteria A1, A3, A4i
Area 32,800 ha
Altitude 1,227 - 1,537m
Year of IBA assessment 2009

Site description Ganga Lake lies on the Dariganga plateau in Dariganga soum. The area has characteristics of both Gobi and steppe ecosystems. There are a number of small lakes at the site, including Ganga, Duut, Kholboo, Zegst, Tsagaan, Erdene, Sumt and Khoshmog Lakes, as well as sand dunes, for example Moltsog, Owoon and Kholboogiin Baruun. Zegst and Duut Lakes are fed by Dagsin spring waters and surrounded by reeds. Ganga Lake’s southern shore is covered by shrubs and woodland. The rest of the area supports dry steppe and desert steppe. Tourism is being developed at the site, and the use of off-road vehicles is having a negative impact on the vegetation and fragile soils. Ganga Lake and its surrounding wetlands were nominated as a Ramsar Site in 2004.

Key Biodiversity Globally Threatened species that regularly use the site comprise Swan Goose Anser cygnoides (EN), Whitenaped Crane Grus vipio (VU) and Great Bustard Otis tarda (VU). The site supports an assemblage of species restricted to the Eurasian steppe and desert. The site also supports at least 1% of the flyway populations of Great Crested Grebe Podiceps cristatus, Whooper Swan Cygnus cygnus, Swan Goose Anser cygnoides, Ruddy Shelduck Tadorna ferruginea, Common Shelduck T. tadorna and Demoiselle Crane Anthropoides virgo.

Non-bird biodiversity: The site is not thought to be particularly important for other fauna and flora.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Swan Goose Anser cygnoid breeding  2004  present  A1, A4i  Vulnerable 
Whooper Swan Cygnus cygnus breeding  2004  present  A4i  Least Concern 
Ruddy Shelduck Tadorna ferruginea 2004  present  A4i  Least Concern 
Common Shelduck Tadorna tadorna 2004  present  A4i  Least Concern 
Great Crested Grebe Podiceps cristatus 2004  present  A4i  Least Concern 
Great Bustard Otis tarda breeding  2004  present  A1, A3  Vulnerable 
White-naped Crane Antigone vipio breeding  2004  present  A1, A3  Vulnerable 
Demoiselle Crane Anthropoides virgo 2009  present  A3, A4i  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Dariganga National Park 0 protected area contains site 0  
Ganga Lake Natural Monument 32,860 unknown 0  
Lake Ganga and its surrounding wetlands Wetlands of International Importance (Ramsar) 3,280 is identical to site 32,800  


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

Protection status Fully protected by Dariganga National Park.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Ganga Lakes. Downloaded from on 21/10/2016

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