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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
White-headed Duck Oxyura leucocephala	EN	winter (2004)	8 birds	A1
Greylag Goose Anser anser	LC	winter (2000–2007)	794–6,091 birds	A4i
Red-crested Pochard Netta rufina	LC	winter (1997–2007)	560–2,500 birds	A4i
Ferruginous Duck Aythya nyroca	NT	winter (2000–2007)	33–295 birds	A1
Gadwall Mareca strepera	LC	winter (1997–2007)	350–2,800 birds	A4i
Mallard Anas platyrhynchos	LC	winter (1997–2007)	1,500–8,750 birds	A4i
Great Crested Grebe Podiceps cristatus	LC	passage (1997–2007)	260–350 birds	A4i
Pallas's Sandgrouse Syrrhaptes paradoxus	LC	breeding (2007)	181 birds	A3
Egyptian Nightjar Caprimulgus aegyptius	LC	breeding (1997–2002)	8 birds	A3
Eurasian Coot Fulica atra	LC	winter (2000–2007)	31,522–189,181 birds	A4i
Asian Houbara Chlamydotis macqueenii	VU	breeding (1997–2007)	4–41 birds	A1, A3
Great White Egret Ardea alba	LC	winter (2000–2007)	186–6,011 birds	A4i
Dalmatian Pelican Pelecanus crispus	NT	winter (2000–2007)	9–107 birds	A1, A4i
Great White Pelican Pelecanus onocrotalus	LC	passage (1997–2007)	38–400 birds	A4i
Pygmy Cormorant Microcarbo pygmaeus	LC	winter (1997–2007)	500–2,500 birds	A4i
Great Cormorant Phalacrocorax carbo	LC	resident (2000–2007)	1,551–7,076 birds	A4i
Brown-necked Raven Corvus ruficollis	LC	breeding (1997–2007)	max 8 birds	A3
Great Tit Parus major	LC	resident (1997–2007)	92 birds	A3
Streaked Scrub-warbler Scotocerca inquieta	LC	resident (1997–2002)	13 birds	A3
Asian Desert Warbler Curruca nana	LC	breeding (1997–2002)	57 birds	A3
Desert Finch Rhodospiza obsoleta	LC	breeding (2007)	145 birds	A3
Red-headed Bunting Emberiza bruniceps	LC	breeding (1997–2002)	60 birds	A3
A4iii Species group - waterbirds	n/a	winter (2000–2007)	24,782–192,658 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 (2019) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happe­ning now	most of popul­ation/area (50–90%)	moderate decline (10–30% over 3 gener­ations)	high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>90%) covered by appropriate conservation designation	No management planning has taken place	Very little or no conservation action taking place	low

Habitat	% of IBA	Habitat detail
Wetlands (inland)	62	Standing fresh water; Water-fringe vegetation
Desert	31	Desert & semi-desert - sandy
Forest	7	Wooded desert & semi-desert

Land use	% of IBA
fisheries/aquaculture	60
agriculture	20
water management	major (>10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Northern shore of Aydarkul Lake (Uzbekistan). Downloaded from https://datazone.birdlife.org/site/factsheet/northern-shore-of-aydarkul-lake-iba-uzbekistan on 23/12/2024.