Sungai Putri Conservation Area
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Summary
- Southwest Bornean orangutans (Pongo pygmaeus wurmbii) are present in Sungai Putri Conservation Area.
- The orangutan population size is unknown.
- The orangutan population trend is unknown.
- The total site area is 570 km².
- The reported threat is fire suppression along the edges of the site.
- The main conservation activities have focused on the rehabilitating natural habitats.
Site characteristics
Sungai Putri Conservation Area', a natural forest in West Kalimantan, Sungai Putri which translates to “River of the Princess.” Spanning around 57,000 hectares (570 km²), this expansive forest provides critical habitat for Bornean orangutans—supporting the province’s third-largest population of this Critically Endangered species. The landscape includes vast stretches of deep peat, reaching depths of up to 14.5 meters (48 feet), and remains blanketed in dense forest. Despite Indonesia’s public commitment to protecting peatlands, forests, and orangutans, this precious habitat remains under threat (Meijaard, 2016).
Table 1. Basic site information for Sungai Putri Conservation Area
| Species | Pongo pygmaeus wurmbii |
| Area | 570 km² |
| Coordinates | Lat: -1.5719 , Lon: 110.1642 |
| Type of site | Conservation area |
| Habitat types | Subtropical/tropical swamp forest |
| Type of governance |
Types of sites Governance types Habitat types
Ape status
Table 2. Ape population estimates reported for Sungai Putri Conservation Area
| Species | Year | Occurrence | Encounter or vistation rate (nests/km; ind/day) | Density estimate [ind./ km²] (95% CI) | Abundance estimate (95% CI) | Survey area | Sampling method | Analytical framework | Source | Comments | A.P.E.S. database ID |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pongo pygmaeus wurmbii |
Sampling methods Analytical frameworks
Threats
Table 3. Threats to apes reported for Sungai Putri Conservation Area
| Category | Specific threats | Threat level | Description | Year of threat |
|---|---|---|---|---|
| 7 Natural system modifications | 7.1 Fire & fire suppression | High (more than 70% of population affected) | In 2015, approximately 250 fires broke out along the edges of Sungai Putri (Meijaard, 2016). | 2015-Ongoing (2016) |
Conservation activities
Table 4. Conservation activities reported for Sungai Putri Conservation Area
| Category | Specific activity | Description | Implementing organization(s) | Year of activity |
|---|---|---|---|---|
| 5 Protection & restoration | 5.6 Habitat restoration | Habitat management activities were reported to be present, details are unknown (Sherman et al. 2022). | 2018-Ongoing (2022) |
Challenges
Enablers
Research activities
Documented behaviours
Exposure to climate change impacts
External links
References
Meijaard, E. (2016, October 24). Palm oil company poised to destroy critical orangutan habitat in breach of Indonesia’s moratorium. Mongabay. Retrieved June 19, 2025, from https://news.mongabay.com/2016/10/palm-oil-company-poised-to-destroy-critical-orangutan-habitat-in-breach-of-indonesias-moratorium/
Sherman, J., Voigt, M., Ancrenaz, M., Wich, S. A., Qomariah, I. N., Lyman, E., …, & Meijaard, E. (2022). Orangutan killing and trade in Indonesia: Wildlife crime, enforcement, and deterrence patterns. Biological Conservation, 276, 109744. doi:10.1016/j.biocon.2022.109744
Page created by: Aime Mizero Date: 2025-06-09