Monts Birougou National Park

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Summary

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• Central chimpanzees (Pan troglodytes troglodytes) and western lowland gorillas (Gorilla gorilla gorilla) are present in Monts Birougou National Park.
• It has been estimated that 501-1000 apes occur in the site.
• The great ape population trend is unknown.
• The site has a total size of 683 km².
• Key threats are not documented.
• Conservation activities are not documented.

Site characteristics

Monts Birougou National Park was established in 2002. The park comprises forests, swamps, savanna, valleys, and mountainous zones up to 900 m asl, which are the source of the Nyanga and Ngounié rivers and their main tributaries (Ramsar 2007). About 20 different primate species are found in the site, including the endangered western lowland gorilla and chimpanzee (Ramsar 2007). Portions of the park have been designated as a Ramsar site since 2007.

Table 1. Basic site information for Monts Birougou National Park

Species	Pan troglodytes troglodytes, Gorilla gorilla gorilla
Area	683 km²
Coordinates	Lat: -1.801520 , Lon: 12.303327
Type of site	Protected area (National Park)
Habitat types	Subtropical/tropical moist lowland forest, Savanna, Subtropical/tropical moist montane forest
Type of governance

Types of sites Governance types Habitat types

Ape status

Based on a 2006-2007 survey, the park has an abundance class of 501-1000 great apes (Sop et al. 2015).

Table 2. Ape population estimates reported for Monts Birougou National Park

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 troglodytes troglodytes & Gorilla gorilla gorilla	2006-2007		1.56	1 (0.66-1.49)	690 (455-1028)	690 sqkm	Line transects		Aba'a, R., and Bezangoye A. (2007)	Observers could not discriminate between the nests of gorillas and chimpanzees; they could therefore not estimate the densities for each species.
Gorilla gorilla gorilla							Unknown

Threats

Table 3. Threats to apes reported for Monts Birougou National Park

Category	Specific threats	Threat level	Description	Year of threat
10 Geological events		Absent
12 Other threat		Absent
1 Residential & commercial development		Unknown
2 Agriculture & aquaculture		Unknown
3 Energy production & mining		Unknown
4 Transportation & service corridors		Unknown
5 Biological resource use		Unknown
6 Human intrusions & disturbance		Unknown
7 Natural system modifications		Unknown
8 Invasive & other problematic species, genes & diseases		Unknown
9 Pollution		Unknown
11 Climate change & severe weather		Unknown

Threats

Challenges

Table 5. Challenges reported for Monts Birougou National Park

Challenges	Specific challenges	Source	Year(s)
	Not reported

Enablers

Table 6. Enablers reported for Monts Birougou National Park

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

Documented behaviours

Table 7. Behaviours documented for Monts Birougou National Park

Behavior	Source
Not reported

External links

Ramsar

References

Sop, T., Cheyne, S. M., Maisels, F., Wich, S. A., & Williamson, E. A. (2015). Ape Population Abundance Estimates (Online-only annex).

Aba'a, R., et Bezangoye A. (2007) Estimation de la densité, de l’abondance et de la distribution relative des grands mammifères et l’impact des activités anthropiques au Parc National des Monts Birougou et ses environs: Etablissement d’une ligne de base pour le monitoring. Rapport final. WCS-Gabon

Page created by: A.P.E.S. Wiki team & Tene Sop Date: NA