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The site was identified as internationally important for bird conservation in 2008 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 List	Season (year/s of estimate)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	breeding (2007)	142 pairs	A3
Whooper Swan Cygnus cygnus	LC	passage (2007)	710 birds	A4i
Common Goldeneye Bucephala clangula	LC	passage (2007)	13,500 birds	A4i
Common Goldeneye Bucephala clangula	LC	breeding (2007)	120 pairs	A3
Smew Mergellus albellus	LC	passage (2007)	1,000 birds	A4i
Smew Mergellus albellus	LC	breeding (2007)	100 pairs	A3
Red-breasted Merganser Mergus serrator	LC	passage (2007)	170 birds	A4i
Tufted Duck Aythya fuligula	LC	passage (2007)	82,140 birds	A4i
Eurasian Wigeon Mareca penelope	LC	breeding (2007)	3,145 pairs	A3
Eurasian Wigeon Mareca penelope	LC	passage (2007)	7,922 birds	A4i
Northern Pintail Anas acuta	LC	passage (2007)	13,500 birds	A4i
Horned Grebe Podiceps auritus	VU	breeding (2007)	180 pairs	A3
Corncrake Crex crex	LC	breeding (2007)	30 pairs	A1
Little Gull Hydrocoloeus minutus	LC	breeding (2007)	4,330 pairs	A4i
Black-headed Gull Larus ridibundus	LC	breeding (2007)	3,470 pairs	A4i
Black-headed Gull Larus ridibundus	LC	passage (2007)	9,745 birds	A4i
Common Tern Sterna hirundo	LC	breeding (2007)	2,640 pairs	A4i
Common Tern Sterna hirundo	LC	passage (2007)	1,470 birds	A4i
A4iii Species group - waterbirds	n/a	passage (2007)	20,000 birds	A4iii

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2008. The most recent assessment (2007) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Energy production and mining	likely in short term (<4 years)	few indivi­duals/small area (<10%)	moderate decline (10–30% over 3 gener­ations)	low
Residential and commercial development	likely in short term (<4 years)	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Some of area covered (10–49%)	No management planning has taken place	Very little or no conservation action taking place	very low

Year	Protected Area	Designation (management category)	% coverage of IBA
1982	Elizarovsky	Zakaznik (Federal) (IV)	16

Habitat	% of IBA	Habitat detail
Shrubland	8
Forest	5	Flood-plain; Native coniferous
Grassland	-	Humid
Wetlands (inland)	-	Fens, transition mires & springs; Rivers & streams; Standing fresh water

Land use	% of IBA
not utilised	37
fisheries/aquaculture	20
nature conservation and research	16
rangeland/pastureland	10
energy production and mining	10
forestry	5
urban/industrial/transport	2
hunting	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Upper streams of Ob' river (Russia (Central Asian)). Downloaded from https://datazone.birdlife.org/site/factsheet/upper-streams-of-ob-river-iba-russia-(central-asian) on 23/12/2024.