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[[Asia]] > [[Indonesia]] > [[Lamandau River Wildlife Reserve]]

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__TOC__
= Summary =

<div style='float: right'>{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers=OpenStreetMap,OpenTopoMap|-2.777792, 111.367627~[[Lamandau River Wildlife Reserve]]~''Pongo pygmaeus wurmbii''}}</div>
* 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 ([[#R01037|The Orangutan Project 2025b]]).

'''Table 1. Basic site information for Lamandau River Wildlife Reserve'''
{| border="1" cellpadding="5" cellspacing="0" class="Site_characteristics-table"
|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'''
{| border="1" cellpadding="5" cellspacing="0" class="Ape_status-table"
!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'''
{| border="1" cellpadding="5" cellspacing="0" class="Threats-table"
!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 ([[#R01036|The Orangutan Project 2025a]]).
|Ongoing (2025)
|}

[[Threats]]
= Conservation activities =

'''Table 4. Conservation activities reported for Lamandau River Wildlife Reserve'''
{| 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
|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)
|-
|5 Protection & restoration
|5.6 Habitat restoration
|Habitat management was reported, details are unknown ([[#R01035|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 ([[#R01037|The Orangutan Project 2025b]]).
|The Orangutan Project
|Ongoing (2025)
|-
|4 Education & awareness
|Other
|Community outreach and capacity building ([[#R01035|Sherman et al. 2022]]).
|
|1998-Ongoing (2022)
|}

[[Conservation activities]]
= Challenges =

= Enablers =

= Research activities =

Research activities have been reported in Lamandau River Wildlife Reserve ([[#R01035|Sherman et al. 2022]]).

= Documented behaviours =

= Exposure to climate change impacts =

= External links =

= References =

<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]

<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

Lamandau River Wildlife Reserve - Revision history