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Year of most recent IBA criteria assessment: 2001

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Black Partridge Melanoperdix niger	VU	resident	2000	present	A1, A3
Malay Crestless Fireback Lophura erythrophthalma	VU	resident	2000	present	A1, A3
White-winged Duck Asarcornis scutulata	EN	resident	2000	present	A1
Lesser Adjutant Leptoptilos javanicus	VU	resident	2000	present	A1
Storm's Stork Ciconia stormi	EN	resident	2000	present	A1, A3
Malay Blue-banded Kingfisher Alcedo peninsulae	NT	resident	2000	present	A1, 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 - agro-industry farming	past (and unlikely to return) and no longer limiting	some of area/population (10-49%)	very rapid to severe deterioration	low
Agricultural expansion and intensification	annual & perennial non-timber crops - shifting agriculture	likely in long term (beyond 4 years)	some of area/population (10-49%)	no or imperceptible deterioration	low
Agricultural expansion and intensification	annual & perennial non-timber crops - small-holder farming	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low
Agricultural expansion and intensification	wood and pulp plantations (includes afforestation) - agro-industry plantations	past (and unlikely to return) and no longer limiting	some of area/population (10-49%)	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
Energy production and mining	mining and quarrying	past (and unlikely to return) and no longer limiting	some of area/population (10-49%)	slow but significant deterioration	low
Human intrusions and disturbance	work and other activities	past (and unlikely to return) and no longer limiting	small area/few individuals (<10%)	no or imperceptible deterioration	low
Transportation and service corridors	roads and railroads	happening now	small area/few individuals (<10%)	slow but significant deterioration	low

Condition of habitat (state)
Habitat	Habitat Detail	Reference Area (ha)	Actual Area (ha)	% of habitat remaining	% of carrying capacity (overall)	Result
Forest		0	0	good (> 90%)	good (> 90%)	favourable

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	high

For more information about IBA monitoring please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Bukit Tiga Puluh	Taman Nasional	127,698	protected area overlaps with site	127,698

IUCN Habitat	Habitat detail	Extent (% of site)
Forest		-
Artificial/Terrestrial	Forestry and agro-industrial plantations	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
nature conservation and research	-

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

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Bukit Tigapuluh. Downloaded from http://www.birdlife.org on 18/05/2022.