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= Site characteristics =
= Site characteristics =


The site is located in the Lake Tumba landscape in western Democratic Republic of Congo (DRC). The region is characterized as a forest-savanna ecosystem, with altitudes ranging from 300 to 700 m (Serckx et al. 2014). The types of forests found at the site include re-colonizing Uapaca sp., old secondary, mixed mature, old growth mono-dominant, riverine gallery and Marantaceae forests (Serckx et al. 2014).The region is also characterized by flood episodes during which water covers ca. 65% of the forest (Inogwabini et al. 2013).
The site is located in the Lake Tumba landscape in western Democratic Republic of Congo (DRC). The region is characterized as a forest-savanna ecosystem, with altitudes ranging from 300 to 700 m ([[#R01153|Serckx et al. 2014]]). The types of forests found at the site include re-colonizing Uapaca sp., old secondary, mixed mature, old growth mono-dominant, riverine gallery and Marantaceae forests ([[#R01153|Serckx et al. 2014]]).The region is also characterized by flood episodes during which water covers ca. 65% of the forest ([[#R01151|Inogwabini et al. 2013]]).


'''Table 1. Basic site information for Malebo'''
'''Table 1. Basic site information for Malebo'''
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= Ape status =
= Ape status =


In 2005, the presence of a bonobo population in the region was documented by the local NGO Mbou-Mon-Tour and by an extensive survey conducted by the WWF (Serckx et al. 2014). In 2007, a habituation program started. The bonobo population seems to be made up of two communities, inhabiting the Nkala and Mpelu forests (Serckx et al. 2014).
In 2005, the presence of a bonobo population in the region was documented by the local NGO Mbou-Mon-Tour and by an extensive survey conducted by the WWF ([[#R01153|Serckx et al. 2014]]). In 2007, a habituation program started. The bonobo population seems to be made up of two communities, inhabiting the Nkala and Mpelu forests ([[#R01153|Serckx et al. 2014]]).


'''Table 2. Ape population estimates reported for Malebo'''
'''Table 2. Ape population estimates reported for Malebo'''
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|-
|-
|''Pan paniscus''
|''Pan paniscus''
|2012
|2013
|
|
|
|
|0.21 (0.12-0.35)
|0.32 (0.19-0.53)
|11 (7-19)
|17 (11-28)
|Mpelu forest in Malebo (54.26 km²)
|Mpelu forest in Malebo (54.26 km²)
|Line transects
|Line transects
|
|
|Sercx et al. 2014
|[[#R01153|Sercx et al. 2014]]
|
|
|
|COD0132, COD0133<div class="mw-collapsible mw-collapsed" data-expandtext="+1 more" data-collapsetext="less">COD0134</div>
|-
|-
|''Pan paniscus''
|''Pan paniscus''
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|
|
|
|
|0.32 (0.19-0.53)
|0.55 (0.28-1.07)
|17 (11-28)
|17 (9-35)
|Mpelu forest in Malebo (54.26 km²)
|Nkala forest in Malebo (32.45 km²)
|Line transects
|Line transects
|
|
|Sercx et al. 2014
|[[#R01153|Sercx et al. 2014]]
|
|
|
|COD0132, COD0133<div class="mw-collapsible mw-collapsed" data-expandtext="+1 more" data-collapsetext="less">COD0134</div>
|-
|-
|''Pan paniscus''
|''Pan paniscus''
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|Line transects
|Line transects
|
|
|Sercx et al. 2014
|[[#R01153|Sercx et al. 2014]]
|
|
|
|COD0132, COD0133<div class="mw-collapsible mw-collapsed" data-expandtext="+1 more" data-collapsetext="less">COD0134</div>
|-
|-
|''Pan paniscus''
|''Pan paniscus''
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|
|
|
|
|0.51 (0.32-0.79)
|0.21 (0.12-0.35)
|16 (11-25)
|11 (7-19)
|Nkala forest in Malebo (32.45 km²)
|Mpelu forest in Malebo (54.26 km²)
|Line transects
|Line transects
|
|
|Sercx et al. 2014
|[[#R01153|Sercx et al. 2014]]
|
|
|
|COD0132, COD0133<div class="mw-collapsible mw-collapsed" data-expandtext="+1 more" data-collapsetext="less">COD0134</div>
|-
|-
|''Pan paniscus''
|''Pan paniscus''
|2013
|2012
|
|
|
|
|0.55 (0.28-1.07)
|0.51 (0.32-0.79)
|17 (9-35)
|16 (11-25)
|Nkala forest in Malebo (32.45 km²)
|Nkala forest in Malebo (32.45 km²)
|Line transects
|Line transects
|
|
|Sercx et al. 2014
|[[#R01153|Sercx et al. 2014]]
|
|
|
|COD0132, COD0133<div class="mw-collapsible mw-collapsed" data-expandtext="+1 more" data-collapsetext="less">COD0134</div>
|-
|-
|''Pan paniscus''
|''Pan paniscus''
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|Line transects
|Line transects
|
|
|Sercx et al. 2014
|[[#R01153|Sercx et al. 2014]]
|
|
|
|COD0132, COD0133<div class="mw-collapsible mw-collapsed" data-expandtext="+1 more" data-collapsetext="less">COD0134</div>
|-
|-
|''Pan paniscus''
|''Pan paniscus''
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|Line transects
|Line transects
|
|
|Sercx et al. 2014
|[[#R01153|Sercx et al. 2014]]
|
|
|
|COD0132, COD0133<div class="mw-collapsible mw-collapsed" data-expandtext="+1 more" data-collapsetext="less">COD0134</div>
|}
|}


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= Threats =
= Threats =


Bonobos are largely respected in the area, and local communities refrain from hunting or eating them, as they believe them to be their ancestors (Inogwabini et al. 2007). However, as other groups and logging companies have moved into the area, this taboo has become degraded; thus, hunting and agricultural expansion now threatens bonobos and other wildlife ([https://www.synchronicityearth.org/partner/mbou-mon-tour/ SynchronicityEarth]).
Bonobos are largely respected in the area, and local communities refrain from hunting or eating them, as they believe them to be their ancestors ([[#R01152|Inogwabini et al. 2007]]). However, as other groups and logging companies have moved into the area, this taboo has become degraded; thus, hunting and agricultural expansion now threatens bonobos and other wildlife ([https://www.synchronicityearth.org/partner/mbou-mon-tour/ SynchronicityEarth]).


'''Table 3. Threats to apes reported for Malebo'''
'''Table 3. Threats to apes reported for Malebo'''
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|2.1 Annual & perennial non-timber crops
|2.1 Annual & perennial non-timber crops
|Present (unknown severity)
|Present (unknown severity)
|During a survey conducted between 2011-2013, six villages and twelve farms were directly adjacent to the forest and plantations were located inside the forest (Serckx et al. 2014).
|During a survey conducted between 2011-2013, six villages and twelve farms were directly adjacent to the forest and plantations were located inside the forest ([[#R01153|Serckx et al. 2014]]).
|Ongoing (2014)
|Ongoing (2014)
|-
|-
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|2.3 Livestock farming & ranching
|2.3 Livestock farming & ranching
|Present (unknown severity)
|Present (unknown severity)
|Cattle ranching in parts of the savanna patches (Serckx et al. 2014).
|Cattle ranching in parts of the savanna patches ([[#R01153|Serckx et al. 2014]]).
|Ongoing (2014)
|Ongoing (2014)
|-
|-
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|5.1 Hunting & collecting terrestrial animals
|5.1 Hunting & collecting terrestrial animals
|Present (unknown severity)
|Present (unknown severity)
|Hunting has grown since new people and logging companies have moved into the area ([https://www.synchronicityearth.org/partner/mbou-mon-tour/ SynchronicityEarth]).
|Hunting has grown since new people and logging companies have moved into the area ([[#R02004|SynchronicityEarth]]).
|Ongoing (2021)
|Ongoing (2021)
|}
|}
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= Conservation activities =
= Conservation activities =


WWF began working on bonobo conservation in the western part of the country in 2005. To protect the bonobos in this natural reserve, WWF has developed an ecotourism initiative called Picbou (Projet Intégré de Conservation des bonobos de l’ouest) since 2006. The project is implemented in collaboration with the local NGO Mbou-Mon-Tour ([https://www.synchronicityearth.org/partner/mbou-mon-tour/ MMT]). Three groups of bonobos have been habituated in the region to learn more about their socio-ecology and develop more effective conservation strategies. Simultaneously, the ecotourism project aims to bring income to the villagers in order to encourage them preserve their natural heritage (WWF 2017).
WWF began working on bonobo conservation in the western part of the country in 2005. To protect the bonobos in this natural reserve, WWF has developed an ecotourism initiative called Picbou (Projet Intégré de Conservation des bonobos de l’ouest) since 2006. The project is implemented in collaboration with the local NGO Mbou-Mon-Tour ([https://www.synchronicityearth.org/partner/mbou-mon-tour/ MMT]). Three groups of bonobos have been habituated in the region to learn more about their socio-ecology and develop more effective conservation strategies. Simultaneously, the ecotourism project aims to bring income to the villagers in order to encourage them preserve their natural heritage ([[#R01154|WWF 2017]]).


'''Table 4. Conservation activities reported for Malebo'''
'''Table 4. Conservation activities reported for Malebo'''
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|2 Counter-wildlife crime
|2 Counter-wildlife crime
|2.9 Strengthen/support/re-install traditions/taboos that forbid the killing of primates
|2.9 Strengthen/support/re-install traditions/taboos that forbid the killing of primates
|To protect the bonobos, the NGO Mbou-Mon-Tour (MMT) has established an awareness raising programme in local villages to revive the bushmeat taboo ([https://www.synchronicityearth.org/partner/mbou-mon-tour/ SynchronicityEarth]).
|To protect the bonobos, the NGO Mbou-Mon-Tour (MMT) has established an awareness raising programme in local villages to revive the bushmeat taboo ([[#R02004|SynchronicityEarth]]).
|
|
|Ongoing (2016)
|Ongoing (2016)
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|4 Education & awareness
|4 Education & awareness
|4.2 Involve local community in ape research and conservation management
|4.2 Involve local community in ape research and conservation management
|MMT employed local villagers as bonobo trackers ([https://www.synchronicityearth.org/partner/mbou-mon-tour/ SynchronicityEarth]).
|MMT employed local villagers as bonobo trackers ([[#R02004|SynchronicityEarth]]).
|
|
|Ongoing (2016)
|Ongoing (2016)
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|6 Species management
|6 Species management
|6.1 Habituate primates to human presence to reduce stress from tourists/researchers
|6.1 Habituate primates to human presence to reduce stress from tourists/researchers
|Three groups of bonobos have been habituated in the region to learn more about their socio-ecology to develop more effective and adapted conservation strategies (WWF 2017).
|Three groups of bonobos have been habituated in the region to learn more about their socio-ecology to develop more effective and adapted conservation strategies ([[#R01154|WWF 2017]]).
|
|
|Ongoing (2017)
|Ongoing (2017)
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|8 Permanent presence
|8 Permanent presence
|8.2 Run tourist projects and ensure permanent human presence at site
|8.2 Run tourist projects and ensure permanent human presence at site
|WWF has developed an ecotourism initiative named Picbou (Projet Intégré de Conservation des bonobos de l’ouest) since 2006. Picbou is implemented in collaboration with MMT (WWF 2017).
|WWF has developed an ecotourism initiative named Picbou (Projet Intégré de Conservation des bonobos de l’ouest) since 2006. Picbou is implemented in collaboration with MMT ([[#R01154|WWF 2017]]).
|
|
|2006-Ongoing (2017)
|2006-Ongoing (2017)
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= Exposure to climate change impacts =
= Exposure to climate change impacts =


As part of a study on the exposure of African great ape sites to climate change impacts, Kiribou et al. subm. extracted climate data and data on projected extreme climate impact events for the site. Climatological characteristics were derived from observation-based climate data provided by the Inter-Sectoral Impact Model Intercomparison Project (ISIMIP, www.isimip.org). Parameters were calculated as the average across each 30-year period. For 1981-2010, the EWEMBI dataset from ISIMIP2a was used. For the two future periods (2021-2050 and 2071-2099) ISIMIP2b climate data based on four CMIP5 global climate models were used. For future projections, two Representative Concentration Pathways (RCP) were used. RCP 2.6 is a scenario with strong mitigation measures in which global temperatures would likely rise below 2C. RCP 6.0 is a scenario with medium emissions in which global temperatures would likely rise up to 3C by 2100. For the number of days with heavy precipitation events, the 98th percentile of all precipitation days (>1mm/d) was calculated for the 1979-2013 reference period as a threshold for a heavy precipitation event. Then, for each year, the number of days above that threshold was derived. The figures on temperature and precipitation anomaly show the deviation from the mean temperature and mean precipitation for the 1979-2013 reference period.
As part of a study on the exposure of African great ape sites to climate change impacts, [[#R02256|Kiribou et al. (2024)]] extracted climate data and data on projected extreme climate impact events for the site. Climatological characteristics were derived from observation-based climate data provided by the Inter-Sectoral Impact Model Intercomparison Project (ISIMIP, www.isimip.org). Parameters were calculated as the average across each 30-year period. For 1981-2010, the EWEMBI dataset from ISIMIP2a was used. For the two future periods (2021-2050 and 2071-2099) ISIMIP2b climate data based on four CMIP5 global climate models were used. For future projections, two Representative Concentration Pathways (RCP) were used. RCP 2.6 is a scenario with strong mitigation measures in which global temperatures would likely rise below 2C. RCP 6.0 is a scenario with medium emissions in which global temperatures would likely rise up to 3C by 2100. For the number of days with heavy precipitation events, the 98th percentile of all precipitation days (>1mm/d) was calculated for the 1979-2013 reference period as a threshold for a heavy precipitation event. Then, for each year, the number of days above that threshold was derived. The figures on temperature and precipitation anomaly show the deviation from the mean temperature and mean precipitation for the 1979-2013 reference period.


The estimated exposure to future extreme climate impact events (crop failure, drought, river flood, wildfire, tropical cyclone, and heatwave) is based on a published dataset by Lange et al. 2020 derived from ISIMIP2b data. The same global climate models and RCPs as described above were used. Within each 30-year period, the number of years with an extreme event and the average proportion of the site affected were calculated (see Kiribou et al. subm. for details).
The estimated exposure to future extreme climate impact events (crop failure, drought, river flood, wildfire, tropical cyclone, and heatwave) is based on a published dataset by Lange et al. 2020 derived from ISIMIP2b data. The same global climate models and RCPs as described above were used. Within each 30-year period, the number of years with an extreme event and the average proportion of the site affected were calculated ([[#R02256|Kiribou et al. 2024]]).


'''Table 8. Estimated past and projected climatological characteristics in Malebo'''
'''Table 8. Estimated past and projected climatological characteristics in Malebo'''
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= References =
= References =


Inogwabini, B. I., Mbende, L., Bakanza, A., & Bokika, J. (2013). Crop damage done by elephants in Malebo Region, Democratic Republic of Congo. Pachyderm, 54, 59-65.
<span id="R01151"></span>Inogwabini, B., Mbende, L., Bakanza, A., & Bokika, J. (2013). Crop damage done by elephants in Malebo Region, Democratic Republic of Congo. ''Pachyderm'', 54, 59-65. [https://doi.org/10.69649/pachyderm.v54i.340 doi:10.69649/pachyderm.v54i.340]
 
<span id="R01152"></span>Inogwabini, B., Matungila, B., Mbende, L., Abokome, M., & Tshimanga, T. w. (2007). Great apes in the Lake Tumba landscape, Democratic Republic of Congo: newly described populations. ''Oryx'', 41(4), 532-538. [https://doi.org/10.1017/s0030605307414120 doi:10.1017/s0030605307414120]
 
<span id="R01153"></span>Serckx, A., Huynen, M., Bastin, J., Hambuckers, A., Beudels-Jamar, R. C., Vimond, M., …, & Kühl, H. S. (2014). Nest Grouping Patterns of Bonobos (Pan paniscus) in Relation to Fruit Availability in a Forest-Savannah Mosaic. ''PLoS ONE'', 9(4), e93742. [https://doi.org/10.1371/journal.pone.0093742 doi:10.1371/journal.pone.0093742]


Inogwabini, B., Matungila, B., Mbende, L., Abokome, M., & Tshimanga, T. (2007). Great apes in the Lake Tumba landscape, Democratic Republic of Congo: Newly described populations. Oryx, 41(4), 532-538. doi:10.1017/S0030605307414120
<span id="R01154"></span>WWF. (2017).DRC: Malebo site managed by WWF in the top 100 sustainable tourism destinations of 2017 in the World. Online: https://wwf.panda.org/wwf_news/?314614/DRC%2DMalebo%2Dsite%2Dmanaged%2Dby%2DWWF%2Din%2Dthe%2Dtop%2D100%2Dsustainable%2Dtourism%2Ddestinations%2Dof%2D2017%2Din%2Dthe%2DWorld


Serckx, A., Huynen, M. C., Bastin, J. F., Hambuckers, A., Beudels-Jamar, R. C., Vimond, M., ... & Kühl, H. S. (2014). Nest grouping patterns of bonobos (Pan paniscus) in relation to fruit availability in a forest-savannah mosaic. PloS one, 9(4), e93742.
<span id="R02256"></span>Kiribou, R., Tehoda, P., Chukwu, O., Bempah, G., Kühl, H. S., Ferreira, J., …, & Heinicke, S. (2024). Exposure of African ape sites to climate change impacts. ''PLOS Climate'', 3(2), e0000345. [https://doi.org/10.1371/journal.pclm.0000345 doi:10.1371/journal.pclm.0000345]


WWF. (2017).DRC: Malebo site managed by WWF in the top 100 sustainable tourism destinations of 2017 in the World. Online: https://wwf.panda.org/wwf_news/?314614/DRC%2DMalebo%2Dsite%2Dmanaged%2Dby%2DWWF%2Din%2Dthe%2Dtop%2D100%2Dsustainable%2Dtourism%2Ddestinations%2Dof%2D2017%2Din%2Dthe%2DWorld
<span id="R02004"></span>SynchronicityEarth. https://www.synchronicityearth.org/partner/mbou-mon-tour/






'''Page created by: '''APES Atlas Team''' Date:''' 2021-10-29
'''Page created by: '''APES Atlas Team''' Date:''' 2021-10-29

Latest revision as of 17:53, 15 October 2026

Central Africa > Democratic Republic of the Congo > Malebo

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Summary

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  • Bonobos (Pan paniscus) are present in Malebo.
  • It has been estimated that 39 (CI: 30-53) individuals occur in the site.
  • The bonobo population trend is unknown.
  • The site has a total size of 1044 km².
  • Key threats to bonobos are hunting and habitat encroachment.
  • Conservation activities have focused on habituation of bonobos for ecotourism, enforcing local taboos about bushmeat, and employing local villagers as bonobo trackers.


Site characteristics

The site is located in the Lake Tumba landscape in western Democratic Republic of Congo (DRC). The region is characterized as a forest-savanna ecosystem, with altitudes ranging from 300 to 700 m (Serckx et al. 2014). The types of forests found at the site include re-colonizing Uapaca sp., old secondary, mixed mature, old growth mono-dominant, riverine gallery and Marantaceae forests (Serckx et al. 2014).The region is also characterized by flood episodes during which water covers ca. 65% of the forest (Inogwabini et al. 2013).

Table 1. Basic site information for Malebo

Species Pan paniscus
Area 1,044 km²
Coordinates Lat: -2.588389 , Lon: 16.469250
Type of site Non-protected area
Habitat types Subtropical/tropical moist lowland forest, Subtropical/tropical swamp forest, Savanna, Subtropical/tropical heavily degraded former forest
Type of governance

Types of sites Governance types Habitat types

Ape status

In 2005, the presence of a bonobo population in the region was documented by the local NGO Mbou-Mon-Tour and by an extensive survey conducted by the WWF (Serckx et al. 2014). In 2007, a habituation program started. The bonobo population seems to be made up of two communities, inhabiting the Nkala and Mpelu forests (Serckx et al. 2014).

Table 2. Ape population estimates reported for Malebo

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
Pan paniscus 2013 0.32 (0.19-0.53) 17 (11-28) Mpelu forest in Malebo (54.26 km²) Line transects Sercx et al. 2014 COD0132, COD0133
COD0134
Pan paniscus 2013 0.55 (0.28-1.07) 17 (9-35) Nkala forest in Malebo (32.45 km²) Line transects Sercx et al. 2014 COD0132, COD0133
COD0134
Pan paniscus 2011-2013 0.41 (0.32-0.56) 39 (30-53) Malebo region (93.84 km²) Line transects Sercx et al. 2014 COD0132, COD0133
COD0134
Pan paniscus 2012 0.21 (0.12-0.35) 11 (7-19) Mpelu forest in Malebo (54.26 km²) Line transects Sercx et al. 2014 COD0132, COD0133
COD0134
Pan paniscus 2012 0.51 (0.32-0.79) 16 (11-25) Nkala forest in Malebo (32.45 km²) Line transects Sercx et al. 2014 COD0132, COD0133
COD0134
Pan paniscus 2011 0.56 (0.27-1.13) 31 (15-61) Mpelu forest in Malebo (54.26 km²) Line transects Sercx et al. 2014 COD0132, COD0133
COD0134
Pan paniscus 2011 0.63 (0.36-1.12) 20 (12-36) Nkala forest in Malebo (32.45 km²) Line transects Sercx et al. 2014 COD0132, COD0133
COD0134

Sampling methods Analytical frameworks

Threats

Bonobos are largely respected in the area, and local communities refrain from hunting or eating them, as they believe them to be their ancestors (Inogwabini et al. 2007). However, as other groups and logging companies have moved into the area, this taboo has become degraded; thus, hunting and agricultural expansion now threatens bonobos and other wildlife (SynchronicityEarth).

Table 3. Threats to apes reported for Malebo

Category Specific threats Threat level Description Year of threat
2 Agriculture & aquaculture 2.1 Annual & perennial non-timber crops Present (unknown severity) During a survey conducted between 2011-2013, six villages and twelve farms were directly adjacent to the forest and plantations were located inside the forest (Serckx et al. 2014). Ongoing (2014)
2 Agriculture & aquaculture 2.3 Livestock farming & ranching Present (unknown severity) Cattle ranching in parts of the savanna patches (Serckx et al. 2014). Ongoing (2014)
5 Biological resource use 5.1 Hunting & collecting terrestrial animals Present (unknown severity) Hunting has grown since new people and logging companies have moved into the area (SynchronicityEarth). Ongoing (2021)

Threats

Conservation activities

WWF began working on bonobo conservation in the western part of the country in 2005. To protect the bonobos in this natural reserve, WWF has developed an ecotourism initiative called Picbou (Projet Intégré de Conservation des bonobos de l’ouest) since 2006. The project is implemented in collaboration with the local NGO Mbou-Mon-Tour (MMT). Three groups of bonobos have been habituated in the region to learn more about their socio-ecology and develop more effective conservation strategies. Simultaneously, the ecotourism project aims to bring income to the villagers in order to encourage them preserve their natural heritage (WWF 2017).

Table 4. Conservation activities reported for Malebo

Category Specific activity Description Implementing organization(s) Year of activity
2 Counter-wildlife crime 2.9 Strengthen/support/re-install traditions/taboos that forbid the killing of primates To protect the bonobos, the NGO Mbou-Mon-Tour (MMT) has established an awareness raising programme in local villages to revive the bushmeat taboo (SynchronicityEarth). Ongoing (2016)
4 Education & awareness 4.2 Involve local community in ape research and conservation management MMT employed local villagers as bonobo trackers (SynchronicityEarth). Ongoing (2016)
6 Species management 6.1 Habituate primates to human presence to reduce stress from tourists/researchers Three groups of bonobos have been habituated in the region to learn more about their socio-ecology to develop more effective and adapted conservation strategies (WWF 2017). Ongoing (2017)
8 Permanent presence 8.2 Run tourist projects and ensure permanent human presence at site WWF has developed an ecotourism initiative named Picbou (Projet Intégré de Conservation des bonobos de l’ouest) since 2006. Picbou is implemented in collaboration with MMT (WWF 2017). 2006-Ongoing (2017)

Conservation activities

Challenges

WWF began working on bonobo conservation in the western part of the country in 2005. To protect the bonobos in this natural reserve, WWF has developed an ecotourism initiative called Picbou (Projet Intégré de Conservation des bonobos de l’ouest) since 2006. The project is implemented in collaboration with the local NGO Mbou-Mon-Tour (MMT). Three groups of bonobos have been habituated in the region to learn more about their socio-ecology and develop more effective conservation strategies. Simultaneously, the ecotourism project aims to bring income to the villagers in order to encourage them preserve their natural heritage (WWF 2017).

Table 5. Challenges reported for Malebo

Challenges Specific challenges Source Year(s)
Not reported

Challenges

Enablers

Table 6. Enablers reported for Malebo

Enablers Specific enablers Source Year(s)
1 Site management
2 Resources and capacity
3 Engaged community
4 Institutional support
5 Ecological context
6 Safety and stability

Enablers

Research activities

Documented behaviours

Table 7. Behaviours documented for Malebo

Category Behavior Observation type Prevalence Observation dates Source Habituation Species Comment
Not reported

Behaviours

Exposure to climate change impacts

As part of a study on the exposure of African great ape sites to climate change impacts, Kiribou et al. (2024) extracted climate data and data on projected extreme climate impact events for the site. Climatological characteristics were derived from observation-based climate data provided by the Inter-Sectoral Impact Model Intercomparison Project (ISIMIP, www.isimip.org). Parameters were calculated as the average across each 30-year period. For 1981-2010, the EWEMBI dataset from ISIMIP2a was used. For the two future periods (2021-2050 and 2071-2099) ISIMIP2b climate data based on four CMIP5 global climate models were used. For future projections, two Representative Concentration Pathways (RCP) were used. RCP 2.6 is a scenario with strong mitigation measures in which global temperatures would likely rise below 2C. RCP 6.0 is a scenario with medium emissions in which global temperatures would likely rise up to 3C by 2100. For the number of days with heavy precipitation events, the 98th percentile of all precipitation days (>1mm/d) was calculated for the 1979-2013 reference period as a threshold for a heavy precipitation event. Then, for each year, the number of days above that threshold was derived. The figures on temperature and precipitation anomaly show the deviation from the mean temperature and mean precipitation for the 1979-2013 reference period.

The estimated exposure to future extreme climate impact events (crop failure, drought, river flood, wildfire, tropical cyclone, and heatwave) is based on a published dataset by Lange et al. 2020 derived from ISIMIP2b data. The same global climate models and RCPs as described above were used. Within each 30-year period, the number of years with an extreme event and the average proportion of the site affected were calculated (Kiribou et al. 2024).

Table 8. Estimated past and projected climatological characteristics in Malebo

Value 1981-2010 2021-2050, RCP 2.6 2021-2050, RCP 6.0 2071-2099, RCP 2.6 2071-2099, RCP 6.0
Mean temperature [C] 25.9 27.1 26.9 27.2 28.3
Annual precipitation [mm] 1517 1520 1542 1545 1550
Max no. consecutive dry days (per year) 27.4 26.4 27.4 28.9 25.5
No. days with heavy precipitation (per year) 6.9 10.9 9.8 10.9 11.1


Table 9. Projected exposure of apes to extreme climate impact events in Malebo

Type No. of years with event (2021-2050, RCP 2.6) % of site exposed (2021-2050, RCP 2.6) No. of years with event (2021-2050, RCP 6.0) % of site exposed (2021-2050, RCP 6.0) No. of years with event (2070-2099, RCP 2.6) % of site exposed (2070-2099, RCP 2.6) No. of years with event (2070-2099, RCP 6.0) % of site exposed (2070-2099, RCP 6.0)
Crop failure 7 0.15 6.5 0.23 6 0.25 18.5 0.27
Drought 0 0 0 0 0 0 0 0
Heatwave 7.5 96.88 8.5 86.16 9 90.36 17 91.67
River flood 2 0.08 2 0.12 2.25 0.03 4.25 1.21
Tropical cyclone 0 0 0 0 0 0 0 0
Wildfire 30 0.8 30 0.84 29 0.8 29 0.87


  • Precipitation anomaly in Malebo
  • Temperature anomaly in Malebo

External links

References

Inogwabini, B., Mbende, L., Bakanza, A., & Bokika, J. (2013). Crop damage done by elephants in Malebo Region, Democratic Republic of Congo. Pachyderm, 54, 59-65. doi:10.69649/pachyderm.v54i.340

Inogwabini, B., Matungila, B., Mbende, L., Abokome, M., & Tshimanga, T. w. (2007). Great apes in the Lake Tumba landscape, Democratic Republic of Congo: newly described populations. Oryx, 41(4), 532-538. doi:10.1017/s0030605307414120

Serckx, A., Huynen, M., Bastin, J., Hambuckers, A., Beudels-Jamar, R. C., Vimond, M., …, & Kühl, H. S. (2014). Nest Grouping Patterns of Bonobos (Pan paniscus) in Relation to Fruit Availability in a Forest-Savannah Mosaic. PLoS ONE, 9(4), e93742. doi:10.1371/journal.pone.0093742

WWF. (2017).DRC: Malebo site managed by WWF in the top 100 sustainable tourism destinations of 2017 in the World. Online: https://wwf.panda.org/wwf_news/?314614/DRC%2DMalebo%2Dsite%2Dmanaged%2Dby%2DWWF%2Din%2Dthe%2Dtop%2D100%2Dsustainable%2Dtourism%2Ddestinations%2Dof%2D2017%2Din%2Dthe%2DWorld

Kiribou, R., Tehoda, P., Chukwu, O., Bempah, G., Kühl, H. S., Ferreira, J., …, & Heinicke, S. (2024). Exposure of African ape sites to climate change impacts. PLOS Climate, 3(2), e0000345. doi:10.1371/journal.pclm.0000345

SynchronicityEarth. https://www.synchronicityearth.org/partner/mbou-mon-tour/


Page created by: APES Atlas Team Date: 2021-10-29

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