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Location China (mainland), Tibet
Central coordinates 90o 54.00' East  30o 42.00' North
IBA criteria A1, A3, A4i
Area 1,060,000 ha
Altitude 4,750 m
Year of IBA assessment 2009

Site description Located in central Tibet, about 210 km from Lhasa. The south-eastern section of the IBA is mountainous, and the eastern and western sections have open plains near the lake. Nam Co is the largest and highest-altitude lake in Tibet, with an open-water area of 192,000 ha. The islets in the lake are used as breeding habitat by birds.

Key Biodiversity 

Non-bird biodiversity: The area supports a nationally protected bird, Tetraogallus tibetanus, and nationally protected animals including Ursus arctos, Panthra uncia, Equus kiang and Pantholops hodgsoni.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Black-necked Crane Grus nigricollis breeding  2008  250-999 individuals  unknown  A1, A4i  Vulnerable 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Namucuo Nature Reserve 1,061,000 is identical to site 1,060,000  


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

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

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