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Location China (mainland), Yunnan
Central coordinates 100o 7.00' East  25o 48.00' North
IBA criteria A1, A2, A3, A4i
Area 79,700 ha
Altitude 1,560 - 4,122m
Year of IBA assessment 2009

Site description Cang Shan Er Hai is composed of Cang Shan mountain and Er Hai lake. The Cang Shan area is mostly above 2,000 m.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Indian Spot-billed Duck Anas poecilorhyncha unknown  2008  present  A4i  Least Concern 
Gadwall Mareca strepera unknown  2008  present  A4i  Least Concern 
Red-crested Pochard Netta rufina unknown  2008  10,000 individuals  unknown  A4i  Least Concern 
Scaly-sided Merganser Mergus squamatus unknown  2008  present  A1  Endangered 
Common Coot Fulica atra unknown  2008  10,000 individuals  unknown  A4i  Least Concern 
Giant Nuthatch Sitta magna resident  2008  present  A1  Endangered 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Cangshanerhai Nature Reserve 79,700 is identical to site 79,700  


IUCN habitat Habitat detail Extent (% of site)
Forest   62%
Wetlands (inland)   5%
Shrubland   -
Grassland   -

Land use

Land-use Extent (% of site)
water management 5%
Notes: Reference: Xie Lihe, Dong Yunxian, Sustanable Development Measure of Erhai Valley. Exploitation of West China. 2002 (11),15-16.
nature conservation and research 62%
Notes: Reference: Gong Zhengda, DuanXiengde, Feng Xiguang, The Fauna and Ecology of Fleas in Cangshan Mountain and Erhai Lake Nature Reserve, Dali. Zoological Research, 1999, Dec. 20 (6): 451-456.

Other biodiversity Nationally protected plants include Taxus wallichiana, Taiwania cryptomerioides and Tetracentron sinense. Animals include Panthera pardus, Neofelis nebulosa, Selenarctos thibetanus, Ailurus fulgens, Cervus unicolor and Naemorhedus goral. Endemic fish include Cyprinus megalophtlalmus, Cyprinus longipectoralis, Cyprinus barbatus, Cyprinus daliensis, Cyprinus crassilabris, Barbodes exiguus, Barbodes daliensis and Schizothorax (Racoma) taliensis.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Cang Shan Er Hai Nature Reserve. Downloaded from on 01/11/2014

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