Monte Alén National Park

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Summary

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• Central chimpanzees (Pan troglodytes troglodytes) & western lowland gorillas (Gorilla gorilla gorilla) are present in Monte Alén National Park.
• The population sizes are unknown.
• The great ape population trend is unknown.
• The site has a total size of 2,000 km².
• Key threats to great apes are hunting, logging, and habitat loss due to agricultural expansion.
• Conservation activities are not reported.

Site characteristics

Established in 1990, Monte Alén National Park is located in Equatorial Guinea. The size of the park was doubled in 1998 with the inclusion of Mount Mitra, and in 2000 another section to the south was added (BirdLife International 2020). Since 1992, the European-Union-funded ECOFAC program has been involved in the management of the park (Cadecott & Miles 2005).

Table 1. Basic site information for Monte Alén National Park

Species	'Pan troglodytes troglodytes, Gorilla gorilla gorilla
Area	2,000 km²
Coordinates	Lat: 1.533574 , Lon: 10.126031
Type of site	Protected area (National Park)
Habitat types	Subtropical/tropical moist lowland forest
Type of governance

IUCN habitat categories Site designations

Ape status

The site has been identified as a priority area for gorillas and chimpanzees in Equatorial Guinea, as it holds very high ape and large mammal densities (Murai et al. 2013).

Table 2. Ape population estimates reported for Monte Alén 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							Unknown

Threats

Table 3. Threats to apes reported for Monte Alén National Park

Category	Specific threats	Threat level	Description	Year of threat
7 Natural system modifications		Absent
10 Geological events		Absent
12 Other threat		Absent
5 Biological resource use	5.1 Hunting & collecting terrestrial animals	High (more than 70% of population affected)	Commercial trapping and hunting (Caldecott and Miles 2005; BirdLife International 2020).	Ongoing (2020)
5 Biological resource use	5.3 Logging & wood harvesting	Present (unknown severity)	Logging activity (Sunderland 2005; Kenfack 2014)	Ongoing (2014)
2 Agriculture & aquaculture	2.1 Annual & perennial non-timber crops	Present (unknown severity)	Agricultural expansion (Sunderland 2005; Kenfack 2014).	Ongoing (2014)
1 Residential & commercial development		Unknown
3 Energy production & mining		Unknown
4 Transportation & service corridors		Unknown
6 Human intrusions & disturbance		Unknown
8 Invasive & other problematic species, genes & diseases		Unknown
9 Pollution		Unknown
11 Climate change & severe weather		Unknown

IUCN Threats list

Conservation activities

INSERT PARAGRAPH(S)

Challenges

Table 5. Challenges reported for Monte Alén National Park

Challenges	Specific challenges	Source	Year(s)
2 Resources and capacity	2.3 General lack of funding	Kenfack 2014
2 Resources and capacity	2.1 Lack of capacity/training	Kenfack 2014

Enablers

Table 6. Enablers reported for Monte Alén 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 Monte Alén National Park

Behavior	Source
Not reported

References

BirdLife International. (2020). Important Bird Areas factsheet: Monte Alen National Park. Downloaded from http://www.birdlife.org on 10/12/2020.

Miles, J. O. C. L., & Annan, K. (2005). World atlas of great apes and their conservation. Univ of California Press.

Murai M, Ruffler H, Berlemont A, Campbell G, Esono F, Agbor A, et al. (2013). Priority Areas for Large Mammal Conservation in Equatorial Guinea. PLoS ONE 8(9): e75024. https://doi.org/10.1371/journal.pone.0075024

Sunderland, T. C. H. (2005). A biodiversity assessment of the Monte Mitra forest, Monte Alén National Park, Equatorial Guinea. Washington, D. C.: Smithsonian Institution Press.

Kenfack, C.E. (2014). El paisaje del Monte Alén /Montes de Cristal. CIFOR report, retrieved from: https://www.cifor.org/publications/pdf_files/brief/4507-brief.pdf

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