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Year of most recent IBA criteria assessment: 2003

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Green Peafowl Pavo muticus	EN	resident	2001	common	A1, A3
White-winged Duck Asarcornis scutulata	EN	resident	2001	rare	A1
Yellow-footed Green-pigeon Treron phoenicopterus	LC	resident	2001	uncommon	A3
Indian Nightjar Caprimulgus asiaticus	LC	resident	2001	common	A3
Sarus Crane Grus antigone	VU	resident	2001	common	A1
Greater Adjutant Leptoptilos dubius	EN	unknown	2001	rare	A1
Lesser Adjutant Leptoptilos javanicus	VU	resident	2001	common	A1, A4i
Black-necked Stork Ephippiorhynchus asiaticus	NT	resident	2001	rare	A4i
Giant Ibis Thaumatibis gigantea	CR	resident	2001	common	A1, A4i
Red-headed Vulture Sarcogyps calvus	CR	resident	2001	unknown	A3
White-rumped Vulture Gyps bengalensis	CR	resident	2001	unknown	A1, A3
Slender-billed Vulture Gyps tenuirostris	CR	resident	2001	present	A1, A3
Greater Spotted Eagle Clanga clanga	VU	resident	2001	common	A1
Rufous-winged Buzzard Butastur liventer	LC	resident	2001	common	A3
Green-eared Barbet Psilopogon faiostrictus	LC	resident	2001	common	A3
Black-headed Woodpecker Picus erythropygius	LC	resident	2001	common	A3
White-rumped Pygmy-falcon Neohierax insignis	NT	resident	2001	uncommon	A3
Brown-rumped Minivet Pericrocotus cantonensis	LC	resident	2001	unknown	A3
Indochinese Cuckooshrike Lalage polioptera	LC	resident	2001	common	A3
Brown Prinia Prinia polychroa	LC	resident	2001	common	A3
White-browed Reed-warbler Acrocephalus tangorum	VU	winter	2001	rare	A1
Grey-eyed Bulbul Iole propinqua	LC	resident	2001	common	A3
Sooty-headed Bulbul Pycnonotus aurigaster	LC	resident	2001	common	A3
Streak-eared Bulbul Pycnonotus blanfordi	LC	resident	2001	common	A3
Lesser Necklaced Laughingthrush Garrulax monileger	LC	resident	2001	common	A3
Chestnut-tailed Starling Sturnia malabarica	LC	resident	2001	common	A3
Vinous-breasted Myna Acridotheres leucocephalus	LC	resident	2001	common	A3
Golden-crested Myna Ampeliceps coronatus	LC	resident	2001	common	A3

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	small area/few individuals (<10%)	slow but significant deterioration	low
Biological resource use	fishing & harvesting aquatic resources - unintentional effects: subsistence/small scale	happening now	some of area/population (10-49%)	moderate to rapid deterioration	high
Biological resource use	hunting & collecting terrestrial animals - intentional use (species being assessed is the target)	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Biological resource use	logging & wood harvesting - unintentional effects: subsistence/small scale	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Residential and commercial development	housing and urban areas	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Transportation and service corridors	roads and railroads	happening now	some of area/population (10-49%)	moderate to rapid deterioration	high

Condition of key/trigger populations (state)
Scientific	Common	TargetPop	ActualPop	Units	Remaining	Result
Grus antigone	Sarus Crane	87	87	individuals	100	favourable
Leptoptilos javanicus	Lesser Adjutant	338	338	individuals	100	favourable
Thaumatibis gigantea	Giant Ibis	69	14	individuals	21	very unfavourable
Sarcogyps calvus	Red-headed Vulture	19	19	individuals	100	favourable
Gyps bengalensis	White-rumped Vulture	62	43	individuals	70	near favourable
Gyps tenuirostris	Slender-billed Vulture	11	11	individuals	100	favourable

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Whole area of site (>90%) covered by appropriate conservation designation	No management plan exists but the management planning process has begun	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

For more information about IBA monitoring please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Preah Vihear Temple	Protected Landscape	4,082	protected area overlaps with site	5,000
Preah Vihear	Protected Forest	190,028	protected area overlaps with site	156,700

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Lowland evergreen rain forest (tropical), Semi-evergreen rain forest (tropical), Dry deciduous forest (tropical)	-
Shrubland	Secondary scrub	-
Grassland	Edaphic grassland	-
Wetlands (inland)	Freshwater lakes and pools, Riverine floodplains, Rivers and streams, Ephemeral wetlands	-
Artificial/Terrestrial	Rice paddies, Perennial crops, orchards and groves, Small settlements, rural gardens	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
agriculture	-
forestry	-
military	-
nature conservation and research	-
other	-

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

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Chhep. Downloaded from http://www.birdlife.org on 30/06/2022.