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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Black-faced Spoonbill Platalea minor	EN	winter (1996)	6 birds	A1, A4i

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' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	-	-	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Biological resource use	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Pollution	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
Most of area (50–90%) covered (including the most critical parts for important bird species)	A management plan exists, but it is out of date or not compre­hensive	Substantive conservation measures are being implemented, but these are not compre­hensive and are limited by resources and capacity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 (management category)	% coverage of IBA
2004	Red River Delta	UNESCO-MAB Biosphere Reserve (UA)	100
2014	Tien Hai	Khu Bảo tồn thiên nhiên (IV)	100

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
Tien Hai Site Support Group	2006

For more information on BirdLife's work with Local Conservation Groups, please visit Spotlight on local empowerment.

Habitat	% of IBA	Habitat detail
Marine Neritic	40
Artificial/Aquatic & Marine	20
Forest	20	Mangrove forest (tropical)
Marine Intertidal	20

Land use	% of IBA
fisheries/aquaculture	90

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tien Hai (Vietnam). Downloaded from https://datazone.birdlife.org/site/factsheet/tien-hai-iba-vietnam on 25/12/2024.