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Location China (mainland), Zhejiang
Central coordinates 120o 45.00' East  30o 18.00' North
IBA criteria A1, A4i
Area 37,100 ha
Altitude 0 - 5m
Year of IBA assessment 2009

Site description Located along the east coast of Zhejiang, the IBA is a shallow bay in the southern estuary of the Qiantang Jiang river. It is the largest area of inter-tidal mudflats in Zhejiang, and there are many saline ponds adjacent to the coast.

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 winter  1997  1,100 individuals  unknown  A1, A4i  Critically Endangered 
Oriental Stork Ciconia boyciana unknown  2008  present  A1  Endangered 
Black-faced Spoonbill Platalea minor unknown  2008  present  A1  Endangered 
Dalmatian Pelican Pelecanus crispus unknown  2008  present  A1  Vulnerable 
Dunlin Calidris alpina winter  1997  30,000 individuals  unknown  A4i  Least Concern 
Saunders's Gull Saundersilarus saundersi unknown  2008  present  A1  Vulnerable 


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

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Recommended citation  BirdLife International (2015) Important Bird and Biodiversity Area factsheet: Hangzhou Wan. Downloaded from on 27/11/2015

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