Lamandau River Wildlife Reserve: Difference between revisions
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* The main conservation activities have focused on orangutan protection release & rehabilitation, in addition raising awareness in the community and restoring habitats. | * The main conservation activities have focused on orangutan protection release & rehabilitation, in addition raising awareness in the community and restoring habitats. | ||
* The site is a Protected status since 1998. | * The site is a Protected status since 1998. | ||
= Site characteristics = | = Site characteristics = | ||
In 1998, the Indonesian Ministry of Forestry established the Lamandau River Wildlife Reserve (LRWR) on land previously used for logging. Today, it stands out as a key location identified in the latest Orangutan Population Habitat and Viability Assessment. Within the reserve, Camp Rasak—managed by the Orangutan Foundation—serves as a site for releasing and tracking orangutans. Many orangutans have been introduced there, with several females successfully giving birth and raising their young. Post-release monitoring is conducted to track their progress. The camp also hosts a nursery dedicated to reforestation efforts (The Orangutan Project | In 1998, the Indonesian Ministry of Forestry established the Lamandau River Wildlife Reserve (LRWR) on land previously used for logging. Today, it stands out as a key location identified in the latest Orangutan Population Habitat and Viability Assessment. Within the reserve, Camp Rasak—managed by the Orangutan Foundation—serves as a site for releasing and tracking orangutans. Many orangutans have been introduced there, with several females successfully giving birth and raising their young. Post-release monitoring is conducted to track their progress. The camp also hosts a nursery dedicated to reforestation efforts ([[#R01037|The Orangutan Project 2025b]]). | ||
'''Table 1. Basic site information for Lamandau River Wildlife Reserve''' | '''Table 1. Basic site information for Lamandau River Wildlife Reserve''' | ||
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|5.1.5 Persecution/human wildlife conflict | |5.1.5 Persecution/human wildlife conflict | ||
|Present (unknown severity) | |Present (unknown severity) | ||
|Conflicts between humans and orangutans have led to injuries or fatalities among the orangutans, primarily due to habitat destruction and the scarcity of food sources (The Orangutan Project | |Conflicts between humans and orangutans have led to injuries or fatalities among the orangutans, primarily due to habitat destruction and the scarcity of food sources ([[#R01036|The Orangutan Project 2025a]]). | ||
|Ongoing (2025) | |Ongoing (2025) | ||
|} | |} | ||
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|5 Protection & restoration | |5 Protection & restoration | ||
|5.2 Legally protect ape habitat | |5.2 Legally protect ape habitat | ||
|Lamandau River Wildlife Reserve has had protected status since 1998 (Sherman et al. 2022). The reserve is a high priority site under the most recent Orangutan Population Habitat and Viability Assessment (The Orangutan Project | |Lamandau River Wildlife Reserve has had protected status since 1998 ([[#R01035|Sherman et al. 2022]]). The reserve is a high priority site under the most recent Orangutan Population Habitat and Viability Assessment ([[#R01036|The Orangutan Project 2025a]]). | ||
| | | | ||
|1998-Ongoing (2026) | |1998-Ongoing (2026) | ||
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|5 Protection & restoration | |5 Protection & restoration | ||
|5.6 Habitat restoration | |5.6 Habitat restoration | ||
|Habitat management was reported, details are unknown (Sherman et al. 2022). | |Habitat management was reported, details are unknown ([[#R01035|Sherman et al. 2022]]). | ||
| | | | ||
|1998-Ongoing (2022) | |1998-Ongoing (2022) | ||
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|6 Species management | |6 Species management | ||
|6.7 Translocate (capture & release) wild apes from human impacted sites to natural habitat elsewhere | |6.7 Translocate (capture & release) wild apes from human impacted sites to natural habitat elsewhere | ||
|The site is renowned for Camp Rasak, one of six orangutan monitoring and release sites within the Lamandau Reserve. It has proven to be a highly successful and ideal location for releasing orangutans (The Orangutan Project | |The site is renowned for Camp Rasak, one of six orangutan monitoring and release sites within the Lamandau Reserve. It has proven to be a highly successful and ideal location for releasing orangutans ([[#R01037|The Orangutan Project 2025b]]). | ||
|The Orangutan Project | |The Orangutan Project | ||
|Ongoing (2025) | |Ongoing (2025) | ||
| Line 130: | Line 126: | ||
|4 Education & awareness | |4 Education & awareness | ||
|Other | |Other | ||
|Community outreach and capacity building (Sherman et al. 2022). | |Community outreach and capacity building ([[#R01035|Sherman et al. 2022]]). | ||
| | | | ||
|1998-Ongoing (2022) | |1998-Ongoing (2022) | ||
| Line 146: | Line 142: | ||
= Research activities = | = Research activities = | ||
Research activities have been reported in Lamandau River Wildlife Reserve (Sherman et al. 2022). | Research activities have been reported in Lamandau River Wildlife Reserve ([[#R01035|Sherman et al. 2022]]). | ||
= Documented behaviours = | = Documented behaviours = | ||
| Line 162: | Line 158: | ||
= References = | = References = | ||
Sherman, J., Voigt, M., Ancrenaz, M., Wich, S. A., Qomariah, I. N., Lyman, E., | <span id="R01035"></span>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. [https://doi.org/10.1016/j.biocon.2022.109744 doi:10.1016/j.biocon.2022.109744] | ||
The Orangutan Project. ( | <span id="R01036"></span>The Orangutan Project. (2025a). Orangutan Foundation [Project summary]. The Orangutan Project. Retrieved June 27, 2025, from https://www.theorangutanproject.org/project-summaries/orangutan-foundation/ | ||
<span id="R01037"></span>The Orangutan Project. (2025b). Camp Rasak orangutan release site: Lamandau River Wildlife Reserve [Webpage]. Retrieved June 27, 2025, from https://www.orangutan.org.au/projects-old/projects/camp-rasak-orangutan-release-site-lamandau-river-wildlife-reserve/ | |||
'''Page created by: '''Aime Mizero''' Date:''' 2025-05-27 | '''Page created by: '''Aime Mizero''' Date:''' 2025-05-27 | ||
Latest revision as of 16:28, 12 October 2026
Asia > Indonesia > Lamandau River Wildlife Reserve
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Summary
- Southwest Bornean orangutans (Pongo pygmaeus wurmbii) are present in Lamandau River Wildlife Reserve.
- The population size is unknown.
- The orangutan population trend is unknown.
- The total site area is 761.1 km².
- The main reported threat is the human-orangutan conflicts.
- The main conservation activities have focused on orangutan protection release & rehabilitation, in addition raising awareness in the community and restoring habitats.
- The site is a Protected status since 1998.
Site characteristics
In 1998, the Indonesian Ministry of Forestry established the Lamandau River Wildlife Reserve (LRWR) on land previously used for logging. Today, it stands out as a key location identified in the latest Orangutan Population Habitat and Viability Assessment. Within the reserve, Camp Rasak—managed by the Orangutan Foundation—serves as a site for releasing and tracking orangutans. Many orangutans have been introduced there, with several females successfully giving birth and raising their young. Post-release monitoring is conducted to track their progress. The camp also hosts a nursery dedicated to reforestation efforts (The Orangutan Project 2025b).
Table 1. Basic site information for Lamandau River Wildlife Reserve
| Species | Pongo pygmaeus wurmbii |
| Area | 761.1 km² |
| Coordinates | Lat: -2.777792 , Lon: 111.367627 |
| Type of site | Protected area (Wildlife Reserve) |
| Habitat types | Subtropical/tropical swamp forest |
| Type of governance | Governance by government |
Types of sites Governance types Habitat types
Ape status
Table 2. Ape population estimates reported for Lamandau River Wildlife Reserve
| 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 Lamandau River Wildlife Reserve
| Category | Specific threats | Threat level | Description | Year of threat |
|---|---|---|---|---|
| 5 Biological resource use | 5.1.5 Persecution/human wildlife conflict | Present (unknown severity) | Conflicts between humans and orangutans have led to injuries or fatalities among the orangutans, primarily due to habitat destruction and the scarcity of food sources (The Orangutan Project 2025a). | Ongoing (2025) |
Conservation activities
Table 4. Conservation activities reported for Lamandau River Wildlife Reserve
| Category | Specific activity | Description | Implementing organization(s) | Year of activity |
|---|---|---|---|---|
| 5 Protection & restoration | 5.2 Legally protect ape habitat | Lamandau River Wildlife Reserve has had protected status since 1998 (Sherman et al. 2022). The reserve is a high priority site under the most recent Orangutan Population Habitat and Viability Assessment (The Orangutan Project 2025a). | 1998-Ongoing (2026) | |
| 5 Protection & restoration | 5.6 Habitat restoration | Habitat management was reported, details are unknown (Sherman et al. 2022). | 1998-Ongoing (2022) | |
| 6 Species management | 6.7 Translocate (capture & release) wild apes from human impacted sites to natural habitat elsewhere | The site is renowned for Camp Rasak, one of six orangutan monitoring and release sites within the Lamandau Reserve. It has proven to be a highly successful and ideal location for releasing orangutans (The Orangutan Project 2025b). | The Orangutan Project | Ongoing (2025) |
| 4 Education & awareness | Other | Community outreach and capacity building (Sherman et al. 2022). | 1998-Ongoing (2022) |
Challenges
Enablers
Research activities
Research activities have been reported in Lamandau River Wildlife Reserve (Sherman et al. 2022).
Documented behaviours
Exposure to climate change impacts
External links
References
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
The Orangutan Project. (2025a). Orangutan Foundation [Project summary]. The Orangutan Project. Retrieved June 27, 2025, from https://www.theorangutanproject.org/project-summaries/orangutan-foundation/
The Orangutan Project. (2025b). Camp Rasak orangutan release site: Lamandau River Wildlife Reserve [Webpage]. Retrieved June 27, 2025, from https://www.orangutan.org.au/projects-old/projects/camp-rasak-orangutan-release-site-lamandau-river-wildlife-reserve/
Page created by: Aime Mizero Date: 2025-05-27