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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Greater Spotted Eagle Clanga clanga	VU	winter (2004)	present	A1
Yellow-vented Warbler Phylloscopus cantator	LC	winter (2004)	present	A2
White-naped Yuhina Yuhina bakeri	LC	resident (2004)	present	A2

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2003) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Pollution	happe­ning now	most of popul­ation/area (50–90%)	moderate decline (10–30% over 3 gener­ations)	high
Agricultural expansion and intensification	happe­ning now	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low
Biological resource use	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
Artificial/Aquatic & Marine	-
Artificial/Terrestrial	-
Forest	-

Land use	% of IBA
energy production and mining	-
forestry	-
tourism/recreation	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Riat Khwan - Umiam Lake (India). Downloaded from https://datazone.birdlife.org/site/factsheet/riat-khwan--umiam-lake-iba-india on 23/12/2024.