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[[Asia]] > [[Vietnam]] > [[Ben En National Park]]

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__TOC__
= Summary =

<div style='float: right'>{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers=OpenStreetMap,OpenTopoMap|19.566729, 105.452144~[[Ben En National Park]]~''Nomascus leucogenys''}}</div>
* Northern white-cheeked gibbons (''Nomascus leucogenys'') may be present in Ben En National Park.
* The population size is unknown.
* The population trend is decreasing.
* The site has a total size of 147.4 km².
* Logging is the main threat to gibbons in the area.
* Conservation activities are not documented.

= Site characteristics =

Ben En National Park was established as a national park in 1992. The site includes a wide and diverse system of lakes, caves, mountains and forest that is utilized to develop ecotourism. Ben En River and Muc River are the two biggest rivers there ([[#R00124|Frontier Vietnam 2000]]).

'''Table 1. Basic site information for Ben En National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="Site_characteristics-table"
|Species
|''Nomascus leucogenys''
|-
|Area
|147.4 km²
|-
|Coordinates
|Lat: 19.566729 , Lon: 105.452144
|-
|Type of site
|Protected area (National Park)
|-
|Habitat types
|Subtropical/tropical moist lowland forest
|-
|Type of governance
|
|}

[[Types of sites]] [[Governance types]] [[Habitat types]]
= Ape status =

Information from park staff in 2009 suggests only one gibbon group remains and that 2-3 groups are situated outside the park boundary. Before that, gibbons were last recorded in 1997-1998; all sightings and vocalizations may have been of the same group ([[#R00125|Rawson et al. 2011]]).

'''Table 2. Ape population estimates reported for Ben En National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="Ape_status-table"
!Species
!Year
!Total number groups (95% CI)
!Density [groups/km²] (95% CI)
!Total number indiv. (95% CI)
!Area
!Method
!Source
!Comments
!A.P.E.S. database ID
|-
|''Nomascus leucogenys''
|2009
|
|1
|
|Ben En National Park
|Interviews
|[[#R00125|Rawson et al. 2011]]
|
|
|}

[[Sampling methods]] [[Analytical frameworks]]
= Threats =

'''Table 3. Threats to apes reported for Ben En National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="Threats-table"
!Category
!Specific threats
!Threat level
!Description
!Year of threat
|-
|5 Biological resource use
|5.3 Logging & wood harvesting
|High (more than 70% of population affected)
|Extensive commercial logging occurred in the park until 1992 and since then, small-scale illegal logging has continued ([[#R00125|Rawson et al. 2011]]).
|Ongoing (2011)
|}

[[Threats]]
= Conservation activities =

'''Table 4. Conservation activities reported for Ben En National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="Conservation_activities-table"
!Category
!Specific activity
!Description
!Implementing organization(s)
!Year of activity
|-
|5 Protection & restoration
|5.2 Legally protect ape habitat
|The site is a national park.
|
|Ongoing (2026)
|}

[[Conservation activities]]
= Challenges =

'''Table 5. Challenges reported for Ben En National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="Challenges-table"
!Challenges
!Specific challenges
!Source
!Year(s)
|-
|
|Not reported
|
|
|}

[[Challenges]]
= Enablers =

'''Table 6. Enablers reported for Ben En National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="enabler-table"
!Enablers
!Specific enablers
!Source
!Year(s)
|-
|1 Site management
|
|
|
|-
|2 Resources and capacity
|
|
|
|-
|3 Engaged community
|
|
|
|-
|4 Institutional support
|
|
|
|-
|5 Ecological context
|
|
|
|-
|6 Safety and stability
|
|
|
|}

[[Enablers]]
= Research activities =

= Documented behaviours =

'''Table 7. Behaviours documented for Ben En National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="behaviours-table"
!Category
!Behavior
!Observation type
!Prevalence
!Observation dates
!Source
!Habituation
!Species
!Comment
|-
|
|Not reported
|
|
|
|
|
|
|
|}

[[Behaviours]]
= Exposure to climate change impacts =

= External links =

= References =

<span id="R00124"></span>Frontier Vietnam. (2000). Tordoff, A., Fanning, E., & Grindley, M. (Eds.). Ben En National Park: A biodiversity survey. Frontier Vietnam Environmental Research Report 18. Society for Environmental Exploration, UK; Institute of Ecology and Biological Resources, Hanoi; and Darwin Initiative.

<span id="R00125"></span>Rawson, B. M., Insua-Cao, P., Nguyen, M. H., Van, N. T., Hoang, M. D., Mahood, S., …, & Roos, C. (2011). The Conservation Status of Gibbons in Vietnam. Hanoi, Viet Nam: Fauna & Flora International (FFI) and Conservation International. [http://www.gibbons.de/main/books/2011gibbons-vietnam.pdf link]

'''Page created by: '''APES Atlas Team''' Date:''' 2023-05-05

Ben En National Park - Revision history