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The site was identified as important in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	winter	2004	present	A4i
Swan Goose Anser cygnoid	EN	winter	2004	present	A1
Bean Goose Anser fabalis	LC	non-breeding	2004	present	A4i
Greater White-fronted Goose Anser albifrons	LC	winter	2004	present	A4i
Common Pochard Aythya ferina	VU	non-breeding	2004	present	A4i
Tufted Duck Aythya fuligula	LC	non-breeding	2004	present	A4i
Baikal Teal Sibirionetta formosa	LC	winter	2004	present	A1, A4i
Mallard Anas platyrhynchos	LC	non-breeding	2004	present	A4i
Eastern Spot-billed Duck Anas zonorhyncha	LC	resident	2004	present	A4i
Eurasian Oystercatcher Haematopus ostralegus	NT	non-breeding	2004	present	A4i
Grey Plover Pluvialis squatarola	VU	winter	2004	present	A4i
Kentish Plover Charadrius alexandrinus	LC	non-breeding	2004	present	A4i
Eurasian Curlew Numenius arquata	NT	non-breeding	2004	present	A4i
Bar-tailed Godwit Limosa lapponica	NT	passage	2004	present	A4i
Black-tailed Godwit Limosa limosa	NT	passage	2004	present	A4i
Great Knot Calidris tenuirostris	EN	passage	2004	present	A4i
Terek Sandpiper Xenus cinereus	LC	passage	2004	present	A4i
Spotted Greenshank Tringa guttifer	EN	passage	2004	present	A1
Saunders's Gull Saundersilarus saundersi	VU	winter	2004	present	A1
A4iii Species group - waterbirds	n/a	unknown	2004	min 20,000 individuals	A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

Year	Protected Area	Designation	% overlap with IBA
-	Chungnam Seocheon Biinmyeon 2	재해방지보호구역	<1
-	Geum Gang River and estuary	Wildlife Reserve	-
1997	Jeonbuk Iksan Woongpomyeon 1	야생생물보호구역	<1
1997	Chungnam Seocheon Biinmyeon 1	재해방지보호구역	<1
2008	Seocheon	습지보호지역-갯벌	36
2009	Gudeurae Ferry and Surroundings in Buyeo	명승	<1
2013	Chungnam Buyeo Yanghwamyeon	야생생물보호구역	<1

Habitat1	Habitat detail	% of IBA
Marine Intertidal		major (>10)
Marine Neritic		major (>10)
Artificial/Terrestrial	Rice paddies	minor (<10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Geum-gang river and estuary (South Korea). Downloaded from https://datazone.birdlife.org/site/factsheet/geum-gang-river-and-estuary-iba-south-korea on 22/11/2024.