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The site was identified as important in 2016 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	breeding	1970	rare	A1
Scaly-sided Merganser Mergus squamatus	EN	passage	1995	rare	A1
Harlequin Duck Histrionicus histrionicus	LC	winter	1998	min 500 individuals	A4i
Baer's Pochard Aythya baeri	CR	breeding	1995	uncommon	A1, A3
Baikal Teal Sibirionetta formosa	LC	passage	1970	uncommon	A1
Falcated Duck Mareca falcata	NT	passage	1998	2,000-5,000 individuals	A4i
Great Crested Grebe Podiceps cristatus	LC	passage	1998	min 400 individuals	A4i
White-naped Crane Grus vipio	VU	passage	1993	min 300 individuals	A1, A4i
Red-crowned Crane Grus japonensis	VU	passage	1993	min 250 individuals	A1, A4i
Oriental Stork Ciconia boyciana	EN	passage	1995	rare	A1
Schrenck's Bittern Ixobrychus eurhythmus	LC	breeding	1996	common	A3
Chinese Egret Egretta eulophotes	VU	breeding	1998	uncommon	A1
Japanese Cormorant Phalacrocorax capillatus	LC	breeding	2000	min 2,396 individuals	A4i
Northern Lapwing Vanellus vanellus	NT	passage	1998	min 650 individuals	A4i
Spoon-billed Sandpiper Calidris pygmaea	CR	passage	1983	rare	A1
Common Greenshank Tringa nebularia	LC	passage	1998	min 650 individuals	A4i
Spotted Greenshank Tringa guttifer	EN	passage	1983	rare	A1
Black-tailed Gull Larus crassirostris	LC	breeding	1982-1993	33,490-42,500 breeding pairs	A4i
Spectacled Guillemot Cepphus carbo	LC	breeding	1982-1993	1,242-1,650 breeding pairs	A4ii
Steller's Sea-eagle Haliaeetus pelagicus	VU	winter	1995	uncommon	A1
Japanese Bush-warbler Horornis diphone	LC	breeding	1996	common	A3
Jankowski's Bunting Emberiza jankowskii	EN	breeding	1998	present	A1, A3
Ochre-rumped Bunting Emberiza yessoensis	NT	breeding	1996	frequent	A3
A4iii Species group - waterbirds	n/a	breeding	1993	min 73,440 individuals	A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2016).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Yacheistye skaly	Nature Monument	3	protected area overlaps with site	0
Priostrovnye akvatorii zaliva Petra Velikogo	Nature Monument	300	protected area overlaps with site	0
Ostrova Karamzina i Verhovskogo	Nature Monument	100	protected area overlaps with site	0
Obnazhenie Lazurnoe	Nature Monument	20	protected area overlaps with site	0
Name Unknown, site No. 277 (Primorskiy kray)	Nature Monument	0	protected area overlaps with site	0
Lesnye kul'tury kedra koreyskogo	Nature Monument	2	protected area overlaps with site	0
Kekury Zhaba i Tjulen'	Nature Monument	20	protected area overlaps with site	0
Hasanskiy	Nature Park	8,790	protected area overlaps with site	0
Geologicheskiy razrez Tobizinskiy	Nature Monument	0	protected area overlaps with site	0
Geologicheskiy razrez Chernyshevskiy	Nature Monument	0	protected area overlaps with site	0
Geologicheskiy razrez Aniziyskiy	Nature Monument	0	protected area overlaps with site	0
Far East Marine	UNESCO-MAB Biosphere Reserve	121,100	protected area overlaps with site	0
Dalnevostochny Morskoy / Far East Marine	Zapovednik	64,316	protected area overlaps with site	0
Buhty zaliva Pos'eta	Nature Monument	300	protected area overlaps with site	0

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Wetlands (inland)	Permanent swamps	-
Forest	Mixed broadleaf-coniferous forest (temp/boreal	-
Marine Coastal/Supratidal		-

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

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lower Tumen river. Downloaded from http://datazone.birdlife.org/site/factsheet/lower-tumen-river-iba-russia-(asian) on 04/12/2023.