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Location Mongolia, Uvs
Central coordinates 93o 55.00' East  49o 57.00' North
IBA criteria A3, A4i
Area 6,800 ha
Altitude 932 - 1,176m
Year of IBA assessment 2009

Site description Baga and Bayan Lakes are located in the northeast of Zuungobi soum, Uvs aimag. There is also a third, smaller, lake, called Shavart, to the west of the soum centre. Baga Lake is fed by small springs. This lake has dense reed vegetation along its western, northern and southern shores and numerous bays and islands. Bayan Lake is a freshwater lake, located 10 km to the northeast of Baga Lake, in the Borig Del sand dunes. Both lakes are frozen from November until April. There are sand dunes and grasslands in the surrounding area. Agricultural fi elds of the Baruun Turuun state farm are located not far from the lakes and provide habitat for feeding waterbirds. There is also livestock grazing taking place in the area. The site is considered suitable for recreation and ecotourism development. Pressures include overgrazing and trampling of lake-shore vegetation, and tourism at present is poorly regulated. The lake levels have fallen recently because of drought.

Key Biodiversity The site supports an assemblage of species restricted to the Eurasian steppe and desert biome. Congregatory waterbirds that occur in numbers exceeding 1% of their flyway populations are Great Crested Grebe Podiceps cristatus, White Spoonbill Platalea leucorodia, Greylag Goose Anser anser, Ruddy Shelduck Tadorna ferruginea, Red-crested Pochard Netta rufi na, Demoiselle Crane Anthropoides virgo and Common Crane Grus grus.

Non-bird biodiversity: Potanin's Osman Oreoleuciscus potanini probably occurs at the site. Fishery research has never been carried out, however, and a number of rare and threatened species may occur.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Greylag Goose Anser anser 2004  present  A4i  Least Concern 
Ruddy Shelduck Tadorna ferruginea 2004  present  A4i  Least Concern 
Red-crested Pochard Netta rufina 2004  present  A4i  Least Concern 
Great Crested Grebe Podiceps cristatus 2004  present  A4i  Least Concern 
Eurasian Spoonbill Platalea leucorodia 2004  present  A4i  Least Concern 
Demoiselle Crane Anthropoides virgo breeding  2004  present  A3, A4i  Least Concern 
Common Crane Grus grus breeding  2004  present  A3, A4i  Least Concern 


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

Protection status Unprotected

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Baga and Bayan Lakes. Downloaded from on 24/10/2016

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