Danau Sentarum-Betung Kerihun Corridor - Revision history

WikiEdit at 20:27, 12 October 2026

2026-10-12T20:27:13Z

← Older revision		Revision as of 16:27, 12 October 2026
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	= Site characteristics =		= Site characteristics =

	The '''Danau Sentarum–Betung Kerihun Corridor''' is a forested landscape in Kapuas Hulu District, West Kalimantan, Indonesia. It connects two important protected areas: [[Danau Sentarum National Park]], known for its swamp and peat forest, and [[Betung Kerihun National Park]], characterized by upland and hill forests. The corridor itself plays a crucial ecological role in ensuring connectivity between these parks for Northwest Bornean orangutans (''Pongo pygmaeus pygmaeus''), enabling gene flow and long-range movement across different habitat types. The combined area offers a range of elevation (mostly 0–500 m), slope gradients, and riverine features that support diverse vegetation, making it a suitable habitat for orangutans in various ecological zones (Prayogo et al. 2014).		The '''Danau Sentarum–Betung Kerihun Corridor''' is a forested landscape in Kapuas Hulu District, West Kalimantan, Indonesia. It connects two important protected areas: [[Danau Sentarum National Park]], known for its swamp and peat forest, and [[Betung Kerihun National Park]], characterized by upland and hill forests. The corridor itself plays a crucial ecological role in ensuring connectivity between these parks for Northwest Bornean orangutans (''Pongo pygmaeus pygmaeus''), enabling gene flow and long-range movement across different habitat types. The combined area offers a range of elevation (mostly 0–500 m), slope gradients, and riverine features that support diverse vegetation, making it a suitable habitat for orangutans in various ecological zones ([[#R00438\|Prayogo et al. 2014]]).

	'''Table 1. Basic site information for Danau Sentarum-Betung Kerihun Corridor'''		'''Table 1. Basic site information for Danau Sentarum-Betung Kerihun Corridor'''
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	\|1.1 Residential areas		\|1.1 Residential areas
	\|Present (unknown severity)		\|Present (unknown severity)
	\|Orangutans were reportedly seldom present within 0–3,000 meters of villages, and this is due to their closeness to human settlements (Prayogo et al. 2014).		\|Orangutans were reportedly seldom present within 0–3,000 meters of villages, and this is due to their closeness to human settlements ([[#R00438\|Prayogo et al. 2014]]).
	\|Ongoing (2014)		\|Ongoing (2014)
	\|-		\|-
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	\|2.1 Annual & perennial non-timber crops		\|2.1 Annual & perennial non-timber crops
	\|Present (unknown severity)		\|Present (unknown severity)
	\|Certain ares of the site have been converted into agricultural plantations (Prayogo et al. 2014).		\|Certain ares of the site have been converted into agricultural plantations ([[#R00438\|Prayogo et al. 2014]]).
	\|Ongoing (2014)		\|Ongoing (2014)
	\|-		\|-
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	\|4.1 Roads & railroads		\|4.1 Roads & railroads
	\|Present (unknown severity)		\|Present (unknown severity)
	\|The presence of road development has been reported, with roads hindering orangutan movement and being linked to illegal logging, noise pollution, and the conversion of forests along their edges (Prayogo et al. 2014).		\|The presence of road development has been reported, with roads hindering orangutan movement and being linked to illegal logging, noise pollution, and the conversion of forests along their edges ([[#R00438\|Prayogo et al. 2014]]).
	\|Ongoing (2014)		\|Ongoing (2014)
	\|-		\|-
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	\|5.3 Logging & wood harvesting		\|5.3 Logging & wood harvesting
	\|Present (unknown severity)		\|Present (unknown severity)
	\|In some forest areas within the site, illegal logging has been reported, leading to major habitat changes that drove orangutans away due to reduced size, degraded quality, and disrupted movement paths (Prayogo et al. 2014).		\|In some forest areas within the site, illegal logging has been reported, leading to major habitat changes that drove orangutans away due to reduced size, degraded quality, and disrupted movement paths ([[#R00438\|Prayogo et al. 2014]]).
	\|Ongoing (2014)		\|Ongoing (2014)
	\|}		\|}
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	\|4 Education & awareness		\|4 Education & awareness
	\|Other		\|Other
	\|Community outreach and capacity building (Sherman et al. 2022).		\|Community outreach and capacity building ([[#R00439\|Sherman et al. 2022]]).
	\|		\|
	\|2011-Ongoing (2022)		\|2011-Ongoing (2022)
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	\|5 Protection & restoration		\|5 Protection & restoration
	\|Other		\|Other
	\|Habitat management activities were reported to be present (Sherman et al. 2022).		\|Habitat management activities were reported to be present ([[#R00439\|Sherman et al. 2022]]).
	\|		\|
	\|2011-Ongoing (2022)		\|2011-Ongoing (2022)
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	= References =		= References =

	Prayogo, H., Thohari, A. M., Solihin, D. D., Prasetyo, L. B., & Sugardjito, J. (2014). Habitat ~~suitability modeling~~ of Bornean ~~orangutan~~ (Pongo pygmaeus pygmaeus) in Betung Kerihun National Park, Danau Sentarum and ~~corridor~~, West Kalimantan. Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management), 20(2), ~~112–120~~. https://doi.org/10.7226/jtfm.20.2.112 ~~<br>~~		<span id="R00438"></span>Prayogo, H., Thohari, A. M., Solihin, D. D., Prasetyo, L. B., & Sugardjito, J. (2014). Habitat Suitability Modeling of Bornean Orangutan (Pongo pygmaeus pygmaeus) in Betung Kerihun National Park, Danau Sentarum and Corridor, West Kalimantan. ''Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management)'', 20(2), 112-120. [https://doi.org/10.7226/jtfm.20.2.112 doi:10.7226/jtfm.20.2.112]

	Sherman, J., Voigt, M., Ancrenaz, M., Wich, S. A., Qomariah, I. N., Lyman, E., ~~Massingham, 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 ~~<br>~~		<span id="R00439"></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]



	'''Page created by: '''Aime Mizero''' Date:''' 2025-06-02		'''Page created by: '''Aime Mizero''' Date:''' 2025-06-02

WikiEdit at 14:44, 1 September 2026

2026-09-01T14:44:39Z

← Older revision		Revision as of 10:44, 1 September 2026
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	= References =		= References =

			Prayogo, H., Thohari, A. M., Solihin, D. D., Prasetyo, L. B., & Sugardjito, J. (2014). Habitat suitability modeling of Bornean orangutan (Pongo pygmaeus pygmaeus) in Betung Kerihun National Park, Danau Sentarum and corridor, West Kalimantan. Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management), 20(2), 112–120. https://doi.org/10.7226/jtfm.20.2.112 <br>

	Sherman, J., Voigt, M., Ancrenaz, M., Wich, S. A., Qomariah, I. N., Lyman, E., Massingham, 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 <br>		Sherman, J., Voigt, M., Ancrenaz, M., Wich, S. A., Qomariah, I. N., Lyman, E., Massingham, 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 <br>
	Prayogo, H., Thohari, A. M., Solihin, D. D., Prasetyo, L. B., & Sugardjito, J. (2014). Habitat suitability modeling of Bornean orangutan (Pongo pygmaeus pygmaeus) in Betung Kerihun National Park, Danau Sentarum and corridor, West Kalimantan. Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management), XX(2), 112–120. https://doi.org/10.7226/jtfm.20.2.112 <br>




	'''Page created by: '''Aime Mizero''' Date:''' 2025-06-02		'''Page created by: '''Aime Mizero''' Date:''' 2025-06-02

WikiEdit at 14:42, 25 March 2026

2026-03-25T14:42:54Z

← Older revision		Revision as of 10:42, 25 March 2026
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	* The main reported threats are illegal logging, road development, and land clearing for agriculture plantations.		* The main reported threats are illegal logging, road development, and land clearing for agriculture plantations.
	* The main conservation activities have focused on raising awareness in the community and restoring habitats.		* The main conservation activities have focused on raising awareness in the community and restoring habitats.





	= Site characteristics =		= Site characteristics =

WikiEdit at 14:27, 23 December 2025

2025-12-23T14:27:27Z

← Older revision		Revision as of 10:27, 23 December 2025
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	!Year of activity		!Year of activity
	\|-		\|-
	\|~~5 Protection~~ & ~~restoration~~		\|4 Education & awareness
	\|Other		\|Other
	\|~~Habitat management activities were reported to be present~~ (Sherman et al. 2022).		\|Community outreach and capacity building (Sherman et al. 2022).
	\|		\|
	\|2011-Ongoing (2022)		\|2011-Ongoing (2022)
	\|-		\|-
	\|~~4 Education~~ & ~~awareness~~		\|5 Protection & restoration
	\|Other		\|Other
	\|~~Community outreach and capacity building~~ (Sherman et al. 2022).		\|Habitat management activities were reported to be present (Sherman et al. 2022).
	\|		\|
	\|2011-Ongoing (2022)		\|2011-Ongoing (2022)

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[[Asia]] > [[Indonesia]] > [[Danau Sentarum-Betung Kerihun Corridor]]

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__TOC__
= Summary =

<div style='float: right'>{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers=OpenStreetMap,OpenTopoMap|1.026443, 112.748353~[[Danau Sentarum-Betung Kerihun Corridor]]~''Pongo pygmaeus pygmaeus''}}</div>
* Northwest Bornean orangutans (''Pongo pygmaeus pygmaeus'') are present in Danau Sentarum-Betung Kerihun Corridor.
* The orangutan population size is unknown.
* The orangutan population trend is unknown.
* The total site area is 9,439.75 km².
* The main reported threats are illegal logging, road development, and land clearing for agriculture plantations.
* The main conservation activities have focused on raising awareness in the community and restoring habitats.

= Site characteristics =

The '''Danau Sentarum–Betung Kerihun Corridor''' is a forested landscape in Kapuas Hulu District, West Kalimantan, Indonesia. It connects two important protected areas: [[Danau Sentarum National Park]], known for its swamp and peat forest, and [[Betung Kerihun National Park]], characterized by upland and hill forests. The corridor itself plays a crucial ecological role in ensuring connectivity between these parks for Northwest Bornean orangutans (''Pongo pygmaeus pygmaeus''), enabling gene flow and long-range movement across different habitat types. The combined area offers a range of elevation (mostly 0–500 m), slope gradients, and riverine features that support diverse vegetation, making it a suitable habitat for orangutans in various ecological zones (Prayogo et al. 2014).

'''Table 1. Basic site information for Danau Sentarum-Betung Kerihun Corridor'''
{| border="1" cellpadding="5" cellspacing="0" class="Site_characteristics-table"
|Species
|''Pongo pygmaeus pygmaeus''
|-
|Area
|9,439.75 km²
|-
|Coordinates
|Lat: 1.026443 , Lon: 112.748353
|-
|Type of site
|Non-protected area (Mixed use conservation activity area)
|-
|Habitat types
|Subtropical/tropical moist lowland forest
|-
|Type of governance
|
|}

[[Types of sites]] [[Governance types]] [[Habitat types]]
= Ape status =

'''Table 2. Ape population estimates reported for Danau Sentarum-Betung Kerihun Corridor'''
{| 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 pygmaeus''
|
|
|
|
|
|
|
|
|
|
|
|}

[[Sampling methods]] [[Analytical frameworks]]
= Threats =

'''Table 3. Threats to apes reported for Danau Sentarum-Betung Kerihun Corridor'''
{| border="1" cellpadding="5" cellspacing="0" class="Threats-table"
!Category
!Specific threats
!Threat level
!Description
!Year of threat
|-
|1 Residential & commercial development
|1.1 Residential areas
|Present (unknown severity)
|Orangutans were reportedly seldom present within 0–3,000 meters of villages, and this is due to their closeness to human settlements (Prayogo et al. 2014).
|Ongoing (2014)
|-
|2 Agriculture & aquaculture
|2.1 Annual & perennial non-timber crops
|Present (unknown severity)
|Certain ares of the site have been converted into agricultural plantations (Prayogo et al. 2014).
|Ongoing (2014)
|-
|4 Transportation & service corridors
|4.1 Roads & railroads
|Present (unknown severity)
|The presence of road development has been reported, with roads hindering orangutan movement and being linked to illegal logging, noise pollution, and the conversion of forests along their edges (Prayogo et al. 2014).
|Ongoing (2014)
|-
|5 Biological resource use
|5.3 Logging & wood harvesting
|Present (unknown severity)
|In some forest areas within the site, illegal logging has been reported, leading to major habitat changes that drove orangutans away due to reduced size, degraded quality, and disrupted movement paths (Prayogo et al. 2014).
|Ongoing (2014)
|}

[[Threats]]
= Conservation activities =

'''Table 4. Conservation activities reported for Danau Sentarum-Betung Kerihun Corridor'''
{| border="1" cellpadding="5" cellspacing="0" class="Conservation_activities-table"
!Category
!Specific activity
!Description
!Implementing organization(s)
!Year of activity
|-
|5 Protection & restoration
|Other
|Habitat management activities were reported to be present (Sherman et al. 2022).
|
|2011-Ongoing (2022)
|-
|4 Education & awareness
|Other
|Community outreach and capacity building (Sherman et al. 2022).
|
|2011-Ongoing (2022)
|}

[[Conservation activities]]
= Challenges =

= Enablers =

= Research activities =

= Documented behaviours =

= Exposure to climate change impacts =

= External links =

= References =

Sherman, J., Voigt, M., Ancrenaz, M., Wich, S. A., Qomariah, I. N., Lyman, E., Massingham, 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 <br>
Prayogo, H., Thohari, A. M., Solihin, D. D., Prasetyo, L. B., & Sugardjito, J. (2014). Habitat suitability modeling of Bornean orangutan (Pongo pygmaeus pygmaeus) in Betung Kerihun National Park, Danau Sentarum and corridor, West Kalimantan. Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management), XX(2), 112–120. https://doi.org/10.7226/jtfm.20.2.112 <br>

'''Page created by: '''Aime Mizero''' Date:''' 2025-06-02