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The site was identified as internationally important for bird conservation in 2006 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	passage (2006)	40 birds	A1
Smew Mergellus albellus	LC	passage (2006)	800 birds	A4i
Relict Gull Larus relictus	VU	passage (2006)	30 birds	A1

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2006. The most recent assessment (2006) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Grassland	good (>90%)	moderate (70–90%)	moderate

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Natural system modifications	likely in short term (<4 years)	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Agricultural expansion and intensification	happe­ning now	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
Not assessed	Not assessed	Not assessed	not assessed

Habitat	% of IBA	Habitat detail
Wetlands (inland)	90
Grassland	10

Land use	% of IBA
not utilised	90
rangeland/pastureland	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Karasuk (Kazakhstan). Downloaded from https://datazone.birdlife.org/site/factsheet/karasuk-iba-kazakhstan on 28/12/2024.