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The site was identified as important in 2002 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 List1	Season	Year(s)	Size	IBA criteria
Purple Swamphen Porphyrio porphyrio	LC	resident	1997	2,000-16,000 individuals	A4i
Lesser Adjutant Leptoptilos javanicus	NT	resident	2000	8 individuals	A1
Painted Stork Mycteria leucocephala	LC	non-breeding	2000	380 individuals	A4i
Glossy Ibis Plegadis falcinellus	LC	breeding	1999-2000	527-1,368 individuals	A4i
Purple Heron Ardea purpurea	LC	resident	1999-2001	565-1,006 individuals	A4i
Great White Egret Ardea alba	LC	non-breeding	2001	1,582-2,030 individuals	A4i
Spot-billed Pelican Pelecanus philippensis	NT	non-breeding	2000-2001	6 individuals	A1
Little Cormorant Microcarbo niger	LC	breeding	1999-2001	1,528-1,696 individuals	A4i
Bronze-winged Jacana Metopidius indicus	LC	resident	1997	1,000-18,000 individuals	A4i
Oriental Pratincole Glareola maldivarum	LC	passage	2001	1,790 individuals	A4i
Rufous-winged Buzzard Butastur liventer	LC	resident	1997	present	A3
Small Minivet Pericrocotus cinnamomeus	LC	resident	1998	present	A3
Indochinese Cuckooshrike Lalage polioptera	LC	resident	1998	present	A3
Common Woodshrike Tephrodornis pondicerianus	LC	resident	2000	present	A3
Racquet-tailed Treepie Crypsirina temia	LC	resident	1999	present	A3
Indochinese Bushlark Mirafra erythrocephala	LC	resident	1997	present	A3
Streak-eared Bulbul Pycnonotus blanfordi	LC	resident	1999	present	A3
Black-collared Starling Gracupica nigricollis	LC	resident	1999	present	A3
Chestnut-tailed Starling Sturnia malabarica	LC	resident	1999	present	A3
Vinous-breasted Myna Acridotheres leucocephalus	LC	resident	1999	present	A3
Plain-backed Sparrow Passer flaveolus	LC	resident	1999	present	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2002. The most recent assessment (2008) is shown below.

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Lesser Adjutant Leptoptilos javanicus	142	112	individuals	79	near favourable
Spot-billed Pelican Pelecanus philippensis	14	14	individuals	100	favourable

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	-	-	very unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Biological resource use	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Invasive and other problematic species and genes	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Transportation and service corridors	happening now	small area/few individuals (<10%)	slow but significant deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	A management plan exists but it is out of date or not comprehensive	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

Year	Protected Area	Designation	% overlap with IBA
-	U Minh Thuong	National Park	-
2002	U Minh Thuong	Vườn quốc gia	35
2006	Kien Giang	UNESCO-MAB Biosphere Reserve	100
2015	U Minh Thuong National Park	Ramsar Site, Wetland of International Importance	92

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Perennial crops, orchards and groves, Abandoned farmland, disturbed ground, Small settlements, rural gardens, Rice paddies, Improved pasture land	50
Forest	Peat swamp forest (tropical), Mangrove forest (tropical)	20
Grassland		15
Wetlands (inland)	Artificial wetlands, Permanent swamps, Rivers and streams	15

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	50
nature conservation and research	36
forestry	9
not utilised	6

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: U Minh Thuong (Vietnam). Downloaded from https://datazone.birdlife.org/site/factsheet/u-minh-thuong-iba-vietnam on 22/11/2024.