Difference between revisions of "Xuan Nha Nature Reserve"
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|20.691537, 104.705431 ~[[Xuan Nha Nature Reserve]]~Northern white-cheeked gibbon | |20.691537, 104.705431 ~[[Xuan Nha Nature Reserve]]~Northern white-cheeked gibbon | ||
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Latest revision as of 06:18, 4 May 2022
Asia > Vietnam > Xuan Nha Nature Reserve
Summary
- Northern white-cheeked gibbons (Nomascus leucogenys) are present in Xuan Nha Nature Reserve.
- Gibbons may be absent in the reserve, or occurring at very low densities.
- The site has a total size of 163.17 km².
- Key threats to gibbons are hunting and shifting agriculture leading to habitat loss.
- Conservation activities are not documented.
Site characteristics
Table 1. Basic site information for Muong Nhe Nature Reserve
Area | 163.17 km² |
Coordinates | 20.691537, 104.705431 |
Designation | Nature Reserve |
Habitat types | Subtropical/tropical moist lowland forest |
IUCN habitat categories Site designations
Ape status
No signs of gibbons were recorded during a ten day survey in 2011, but there were reports of gibbons in the buffer zone (Nguyen Manh Ha et al. 2011), which may be the gibbons in Long Luong Commune (Rawson et al. 2011). During mammal surveys conducted between 2006 and 2010, gibbons were not detected either, but interviews with local residents suggest that some gibbons persist within and outside the reserve (Rawson et al. 2011).
Table 2. Ape population estimates in Muong Nhe Nature Reserve
Species | Year | Total number indiv. (95% CI) | Total number groups (95% CI) | Density [groups/km²] (95% CI) | Area | Method | Source | Comments | A.P.E.S. database ID |
---|---|---|---|---|---|---|---|---|---|
Nomascus leucogenys | 2011 | 0 | Xuan Nha Nature Reserve | Unknown | Nguyen Manh Ha et al. 2011 | No records of gibbons |
Threats
Table 3. Threats to apes in Muong Nhe Nature Reserve
Category | Specific threats | Threat level | Quantified severity | Description | Year of threat |
---|---|---|---|---|---|
1. Residential & commercial development | Unknown | ||||
2. Agriculture & aquaculture | 2.1 Annual & perennial non-timber crops | High | Forest clearance due to shifting agriculture (Rawson et al. 2011). | Ongoing (2011) | |
3. Energy production & mining | Unknown | ||||
4. Transportation & service corridors | Unknown | ||||
5. Biological resource use | 5.1 Hunting & collecting terrestrial animals | High | Local communities commonly hunt with dogs and guns for subsistence and for the wildlife trade (Rawson et al. 2011). | Ongoing (2011) | |
6. Human intrusion & disturbance | Unknown | ||||
7. Natural system modifications | 7.2 Dams & water management/use | High | The construction of a nearby hydropower dam, the Trung Son Hydropower Project was predicted to result in further forest clearance for agriculture and illegal logging, increased wildlife hunting, increased incidence of forest fires and greater access to the reserve via the reservoir and new construction roads (Rawson et al. 2011). | Ongoing (2011) | |
8. Invasive & other problematic species, genes, diseases | Unknown | ||||
9. Pollution | Unknown | ||||
10. Geological Events | Absent | ||||
11. Climate change & severe weather | Unknown | ||||
12. Other options | Absent |
Conservation activities
Table 4. Conservation activities in Muong Nhe Nature Reserve
Category | Specific activity | Description | Year of activity |
---|---|---|---|
1. Residential & commercial development | Not reported | ||
2. Agriculture & aquaculture | Not reported | ||
3. Energy production & mining | Not reported | ||
4. Transportation & service corridors | Not reported | ||
5. Biological resource use | Not reported | ||
6. Human intrusion & disturbance | Not reported | ||
7. Natural system modifications | Not reported | ||
8. Invasive & other problematic species, genes, diseases | Not reported | ||
9. Pollution | Not reported | ||
10. Education & Awareness | Not reported | ||
11. Habitat Protection | Not reported | ||
12. Species Management | Not reported | ||
13. Livelihood; Economic & Other Incentives | Not reported |
Conservation activities list (Junker et al. 2017)
Challenges
Table 5. Challenges reported for Muong Nhe Nature Reserve
Challenge | Source |
---|---|
Not reported |
Research activities
Documented behaviours
Table 6. Ape behaviors reported for Muong Nhe Nature Reserve
Behavior | Source |
---|---|
Not reported |
External links
References
Nguyen Manh Ha, Do Tuoc, and L. V. Dung (2011). A survey of white-cheeked gibbons (Nomascus leucogenys) and large mammals (Mammalia) in Xuan Nha Nature Reserve and Sop Cop Nature Reserve, Son La Province. Centre for Natural Resources and Environmental Studies (CRES), Hanoi, Vietnam (in Vietnamese).
Rawson, B. M, Insua-Cao, P., Nguyen Manh Ha, Van Ngoc Thinh, Hoang Minh Duc, Mahood, S., Geissmann, T. and Roos, C. (2011). The Conservation Status of Gibbons in Vietnam. Fauna & Flora International/Conservation International, Hanoi, Vietnam.
Page completed by: A.P.E.S. Wiki team Date: 02/05/2022