Sop Cop Nature Reserve

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Asia > Vietnam > Sop Cop Nature Reserve

Summary

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  • Northern white-cheeked gibbons (Nomascus leucogenys) are present in Sop Cop Nature Reserve.
  • Gibbons are absent in the reserve.
  • The site has a total size of 187 km².
  • Key threats to gibbons are hunting, logging, and agricultural expansion.
  • Conservation activities are not documented.

Site characteristics

Table 1. Basic site information for Sop Cop Nature Reserve

Area 187 km²
Coordinates 20.977205, 103.657088
Designation Nature Reserve
Habitat types Subtropical/tropical moist lowland forest

IUCN habitat categories Site designations

Ape status

In 2011, a group of five individuals was seen in a forest patch of about 300 ha in Sai Khao Village, Muong Cai Commune. However, no gibbons were detected in the nature reserve itself (Rawson et al. 2011). Based on a large mammal survey conducted later in 2011, the population of gibbons in the reserve is now extirpated, but one group of 3-4 individuals was recorded in the buffer zone. Local reports of gibbons had been documented in previous wildlife surveys in the 90s (Rawson et al. 2011).

Table 2. Ape population estimates in Sop Cop 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 Sop Cop Nature Reserve Unknown Nguyen Manh Ha pers. comm as cited by Rawson et al. 2011 A group of five individuals was seen in a forest nearby.

Threats

The main threats to gibbons and other wildlife in the reserve are hunting, logging, and forest loss due to the expansion of agricultural land; forest fires from human encroachment also occur annually (Rawson et al. 2011).

Table 3. Threats to apes in Sop Cop 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 Habitat encroachment as a result of agricultural activities (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 Hunting is common in the reserve (Rawson et al. 2011). Ongoing (2011)
5.3 Logging & wood harvesting High As of 2011, due to logging and other human activities, the forest area has diminished to approximately 4,000 ha and is increasingly isolated from surrounding forests, including those in Laos (Rawson et al. 2011). Ongoing (2011)
6. Human intrusion & disturbance Unknown
7. Natural system modifications 7.1 Fire & fire suppression High Forest fires from land encroachment occur annually (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

IUCN Threats list

Conservation activities

Table 4. Conservation activities in Sop Cop 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 Sop Cop Nature Reserve

Challenge Source
Not reported

Research activities

Documented behaviours

Table 6. Ape behaviors reported for Sop Cop Nature Reserve

Behavior Source
Not reported

External links

References

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: 04/05/2022