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Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
White-winged Duck Asarcornis scutulata	EN	resident	2002	present	A1
Pale-capped Pigeon Columba punicea	VU	resident	2002	present	A1
Lesser Adjutant Leptoptilos javanicus	VU	resident	2002	present	A1
White-bellied Heron Ardea insignis	CR	resident	2004	present	A1
White-rumped Vulture Gyps bengalensis	CR	non-breeding	2002	present	A1
Slender-billed Vulture Gyps tenuirostris	CR	non-breeding	2002	present	A1
Rufous-necked Hornbill Aceros nipalensis	VU	resident	2002	present	A1
Yellow-vented Warbler Phylloscopus cantator	LC	resident	2002	present	A2
Beautiful Nuthatch Sitta formosa	VU	resident	2002	present	A1

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Threats to the site (pressure)
Threat Level 1	Threat Level 2	Timing	Scope	Severity	Result
Agricultural expansion and intensification	annual & perennial non-timber crops - small-holder farming	happening now	some of area/population (10-49%)	very rapid to severe deterioration	high
Biological resource use	fishing & harvesting aquatic resources - unintentional effects: subsistence/small scale	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Biological resource use	hunting & collecting terrestrial animals - intentional use (species being assessed is the target)	happening now	some of area/population (10-49%)	very rapid to severe deterioration	high
Biological resource use	logging & wood harvesting - unintentional effects: subsistence/small scale	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low
Energy production and mining	mining and quarrying	happening now	small area/few individuals (<10%)	very rapid to severe deterioration	low
Energy production and mining	oil and gas drilling	happening now	small area/few individuals (<10%)	very rapid to severe deterioration	low
Pollution	agricultural & forestry effluents - herbicides and pesticides	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Pollution	industrial & military effluents - seepage from mining	happening now	small area/few individuals (<10%)	very rapid to severe deterioration	low
Residential and commercial development	housing and urban areas	happening now	small area/few individuals (<10%)	very rapid to severe deterioration	low

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Not assessed	Not assessed	Not assessed	not assessed

For more information about IBA monitoring please click here

IUCN Habitat	Habitat detail	Extent (% of site)
Forest		-
Wetlands (inland)		-
Artificial/Terrestrial		-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
agriculture	-
forestry	-
urban/industrial/transport	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Upper Dihing (West) Complex. Downloaded from http://www.birdlife.org on 27/03/2023.