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The site was identified as important in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Swan Goose Anser cygnoid	VU	winter	1991	200 individuals	A1
Lesser White-fronted Goose Anser erythropus	VU	winter	1991	200 individuals	A1
Baer's Pochard Aythya baeri	CR	winter	2003	present	A1
Baikal Teal Sibirionetta formosa	LC	passage	2003	present	A1
White-naped Crane Grus vipio	VU	passage	2003	present	A1
Hooded Crane Grus monacha	VU	winter	2003	present	A1, A4i
Oriental Stork Ciconia boyciana	EN	winter	2003	present	A1, A4i
Black-faced Spoonbill Platalea minor	EN	passage	2003	present	A1
Grey Plover Pluvialis squatarola	LC	winter	2003	present	A4i
Little Ringed Plover Charadrius dubius	LC	breeding	2003	present	A4i
Kentish Plover Charadrius alexandrinus	LC	resident	2003	present	A4i
Far Eastern Curlew Numenius madagascariensis	EN	winter	2003	present	A4i
Great Knot Calidris tenuirostris	EN	passage	2003	present	A4i
Sharp-tailed Sandpiper Calidris acuminata	VU	passage	2003	present	A4i
Spoon-billed Sandpiper Calidris pygmaea	CR	passage	2003	present	A1, A4i
Dunlin Calidris alpina	LC	winter	2003	present	A4i
Spotted Redshank Tringa erythropus	LC	passage	2003	present	A4i
Common Greenshank Tringa nebularia	LC	winter	2003	present	A4i
Marsh Sandpiper Tringa stagnatilis	LC	unknown	2003	present	A4i
Spotted Greenshank Tringa guttifer	EN	passage	2003	present	A1
Saunders's Gull Saundersilarus saundersi	VU	winter	2003	present	A1
Chinese Crested Tern Thalasseus bernsteini	CR	unknown	2004	present	A1
Marsh Grassbird Helopsaltes pryeri	NT	breeding	2005	present	A1
A4iii Species group - waterbirds	n/a	unknown	2003	min 20,000 individuals	A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2009).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Chongming Dongtan Nature Reserve, Shanghai	Ramsar Site, Wetland of International Importance	32,600	protected area overlaps with site	32,600
Changjiangkouzhonghuaxun	Nature Reserve	27,600	protected area contained by site	27,600

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Wetlands (inland)		-
Artificial/Terrestrial		-

For more information about the IUCN Habitat classification, please click here.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Chongming Dongtan Nature Reserve. Downloaded from http://datazone.birdlife.org/site/factsheet/chongming-dongtan-nature-reserve-iba-china-(mainland) on 04/12/2023.