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[[Central Africa]] > [[Democratic Republic of the Congo]] > [[Kahuzi-Biega National Park]]

= Summary = <!-- An overview of the site, with one sentence for each section. May include a site map -->
* Eastern chimpanzees (''Pan troglodytes schweinfurthii'') & Grauer's gorillas (''Gorilla beringei graueri'') are present in Kahuzi-Biega National Park.
* The great ape population size is unknown.
* The site has a total size of 6,000 km².
* Poaching is a key threat to great apes at the site.
* Conservation activities have not been documented.
* Kahuzi-Biega National Park was declared a UNESCO World Heritage site in 1980.

= Site characteristics = <!-- A paragraph summary of physical and geographic aspects of the site, and a table of key information -->

Kahuzi-Biega National Park (KBNP) is located in eastern DR Congo, close to the borders wth Rwanda and Burundi. KBNP holds an exceptional diversity of flora and fauna, making it one of the most important sites in the Albertine Rift Valley. The park is named after Mounts Kahuzi (3,308 m) and Biega (2,790 m). In 1937, the site was first established as the Zoological Reserve of Mt. Kahuzi, covering 750 sq. km. In 1970, Kahuzi-Biega National Park was created, initially covering 600 sq. km; in 1975 the area was extended to 6,000 sq. km. Since then, the park comprises two sectors, the low and high altitude sectors, which are linked by an ecological corridor ([http://www.polepolefoundation.org/kbnp.php Pole Pole Foundation). In 1980, the site was declared a [https://whc.unesco.org/en/list/137/ UNESCO World Heritage site]. KBNP is special in that the faunal and floral transition from low to highlands can be observed. With at least 1,178 plant species recorded in the highland sector, KBNP was designated as a centre of diversity for plants by IUCN and WWF in 1994 ([https://whc.unesco.org/en/list/137/ UNESCO). KBNP is home to a large proportion of the endangered Grauer's gorilla population; in fact, KBNP and Maiko National Park support the most important Grauer's gorilla populations (Plumptre et al. 2015).

'''Table 1. Basic site information for Kahuzi-Biega National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="basic-information"
| Area <!-- Please include units: km2/ha e.g 200ha -->
|6,000 km²
|-
|Coordinates
|
|-
|Designation
|National Park
|-
|Habitat types <!-- List IUCN Habitat Classification 3.0 categories present (without number), see link below -->
|Subtropical/tropical moist montane forest
|}
[https://www.iucnredlist.org/resources/habitat-classification-scheme IUCN habitat categories] [[Site designations]]

= Ape status = <!--An overview of ape population status (population sizes, trends, etc.), followed by a table of specific surveys and results -->

While the gorilla population in the KBNP highland sector is showing an increase, the global Grauer’s gorilla population declined across its range by 77% to 93% over the last 20 years due to civil war, with an estimated 3,800 individuals remaining in the wild (Spira et al. 2016; Plumptre et al. 2015).

'''Table 2. Ape population estimates in Kahuzi-Biega National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="population-estimate-table"
! Species
! Year
! Abundance estimate (95% CI)
! Density estimate [ind./ km²] (95% CI)
! Encounter rate (nests/km)
! Area
! Method
! Source
! Comments
! A.P.E.S. database ID
|-
|''Gorilla beringei graueri''
|1978-1979
|223
|0.37
|
|Kahuzi-Biega National Park
|Full count
|Murnyak 1981
|
|
|-
|''Gorilla beringei graueri''
|1990
|258
|
|
|Kahuzi-Biega National Park
|Full count
|Yamagiwa et al. 1993
|
|
|-
|''Gorilla beringei graueri''
|2015
|213 minimum
|
|
|KBNP highland sector
|Index survey (reconnaissance walk)
|Spira et al. 2016
|
|
|}

= Threats = <!-- a text overview of threats, followed by a table of key threats -->


'''Table 3. Threats to apes in Kahuzi-Biega National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="threats-table"
!align="left"|Category <!-- PLEASE DO NOT CHANGE THE THREAT CATEGORIES -->
!Specific threats <!-- For specific threats, please use list of comma separated keywords from the IUCN list linked below -->
!Threat level <!-- For threat level, please use keywords: low, medium, high, present, absent, unknown-->
!Quantified severity <!-- Enter any available quantification of the threat, e.g., the proportion of the area affected by the threat, hunting sign encounter rates-->
!Description <!-- Add descriptive information -->
!Year of threat <!-- Enter specific year(s), “ongoing”, or “unknown”. If the threat is ongoing, please add the year of reference in parentheses -->
|-
|1. Residential & commercial development
|
|Unknown
|
|
|
|-
|2. Agriculture & aquaculture
|
|Unknown
|
|
|
|-
|3. Energy production & mining
|3.2 Mining & quarrying
|High
|
|Artisanal mining. Unregulated extraction of gold, tin (cassiterite), tungsten, diamond and coltan. Numerous active mining sites are present in the park. Many mines are controlled by armed militia (Plumptre et al. 2015; Spira et al. 2016).
|Ongoing (2016)
|-
|4. Transportation & service corridors
|
|Unknown
|
|
|
|-
|5. Biological resource use
|5.1 Hunting & collecting terrestrial animals
|High
|
|High levels of subsistence hunting and bushmeat extraction, facilitated by the presence of armed militia who control mines at the site (Plumptre et al. 2015).
|Ongoing (2015)
|-
|6. Human intrusion & disturbance
|6.2 War, civil unrest & military exercises
|High
|
|Breakdown of government control with the onset of civil war in 1996. The Congolese wildlife authority lost control of the park; armed groups settled within its boundaries and unregulated extraction of minerals continue to fuel civil conflict in the region (Plumptre et al. 2015).
|1996-2003
|-
|7. Natural system modifications
|
|Absent
|
|
|
|-
|8. Invasive & other problematic species, genes, diseases
|
|Unknown
|
|
|
|-
|9. Pollution
|
|Unknown
|
|
|
|-
|10. Geological Events
|
|Absent
|
|
|
|-
| 11. Climate change & severe weather
|
|Unknown
|
|
|
|-
|12. Other options
|
|Absent
|
|
|
|-
|}
[https://www.iucnredlist.org/resources/threat-classification-scheme IUCN Threats list]

= Conservation activities = <!-- A summary of the conservation activities, followed by a table of key activities -->

'''Table 4. Conservation activities in Kahuzi-Biega National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="conservation-actions-table"
!align="left"|Category <!-- PLEASE DO NOT CHANGE THE CATEGORIES -->
!Specific activity <!-- For specific threats, please use list from the list linked below, OR enter “Not reported” -->
!Description <!-- Add descriptive information -->
!Year of activity <!-- Add descriptive information -->
|-
|1. Residential & commercial development
|Not reported
|
|
|-
|2. Agriculture & aquaculture
|Not reported
|
|
|-
|3. Energy production & mining
|Not reported
|
|
|-
|4. Transportation & service corridors
|Not reported
|
|
|-
|5. Biological resource use
|Not reported
|
|
|-
|6. Human intrusion & disturbance
|Not reported
|
|
|-
|7. Natural system modifications
|Not reported
|
|
|-
|8. Invasive & other problematic species, genes, diseases
|Not reported
|
|
|-
|9. Pollution
|Not reported
|
|
|-
|10. Education & Awareness
|Not reported
|
|
|-
|11. Habitat Protection
|Not reported
|
|
|-
|12. Species Management
|Not reported
|
|
|-
|13. Livelihood; Economic & Other Incentives
|Not reported
|
|
|-
|}
[[Conservation activities list (Junker et al. 2017)]]

= Challenges = <!-- Overview of challenges in ape conservation -->

The most urgent need is to demilitarize artisanal mines in and around KBNP to reduce poaching and enable the Congolese Institute for Nature Conservation, ICCN, to enforce conservation laws (Spira et al. 2016).

'''Table 5. Challenges reported for Kahuzi-Biega National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="challenges-table"
!align="left"|Challenge <!-- Do not change categories -->
!Source <!-- Source for challenge mentioned -->
|-
|Civil unrest
|Plumptre et al. 2015
|-
|Lack of law enforcement
|Plumptre et al. 2015
|-
|}

= Research activities = <!-- Overview of research activities -->

===Documented behaviours=== <!-- List of any behaviours observed at the site, including citations -->

'''Table 6. Ape behaviors reported for Kahuzi-Biega National Park'''
{| border="1" cellpadding="5" cellspacing="0" class="behaviors-table"
!align="left"|Behavior
!Source
|-
|Not reported
|
|-
|}

=External links=
[https://whc.unesco.org/en/list/137/ UNESCO World Heritage - Kahuzi-Biega National Park]

===Relevant datasets===
[http://apesportal.eva.mpg.de/database/archiveMap A.P.E.S Portal]

= References =
Spira, C., Mitamba, G., Kirkby, A., Kalikunguba, T., Nishuli, R. and Plumptre,A. (2016) Grauer’s Gorilla Numbers Increasing in Kahuzi-Biega National Park Highlands: 2015 Census in Tshivanga Sector. Unpublished report by the Wildlife Conservation Society.<br>
Plumptre, A.J., Nixon, S., Critchlow, R., Vieilledent, G., Nishuli, R., Kirkby, A., Williamson, E.A., Hall, J.S. & Kujirakwinja, D. (2015). Status of Grauer’s gorilla and chimpanzees in eastern Democratic Republic of Congo: Historical and current distribution and abundance. Unpublished report to Arcus Foundation, USAID and US Fish and Wildlife Service.<br>
Murnyak, D. F. (1981). Censusing the gorillas in Kahuzi-Biega National Park. Biol. Conservl, 21, 163-76.<br>
Yamagiwa, J., Mwanza, N., Spangenberg, A., Maruhashi, T., Yumoto, T., Fischer, A. & Steinhauer, B.B. (1993). A census of the eastern lowland gorillas Gorilla gorilla graueri in Kahuzi-Biega National Park with reference to mountain gorillas G.g. beringei in the Virunga region, Zaire. Biol Conserv 64, 83–89.<br>

<br>
'''Page completed by: '''A.P.E.S. Wiki Team''' Date:''' 06/12/2020 <!-- If you don't want to add your name, you can add "A.P.E.S. Wiki team" -->
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