Subim, Ayum, Bonsambepo Forest Reserves

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West Africa > Ghana > Subim, Ayum, Bonsambepo Forest Reserves



Species Pop. Size Trend Data Quality


These forest reserves are located within the Asunafo North and Asunafo South Districts of the Brong-Ahafo Region of Ghana. The three reserves are contiguous and cover a combined area of about 488 km2. The vegetation falls within the moist semi-deciduous forest zone (Hall and Swaine, 1981). The forest reserves are managed for timber by the Forestry Services Division. The original vegetation has been modified through logging, and now represents secondary forest (Mombu et al., 2008).

Ape status

There exist no recent estimate of chimpanzee abundance in Ghana. The last estimate was made by TelekiĀ“s (1989), which estimated between 300 to 500 chimpanzees to be present in Ghana. Chimpanzee's presence was confirmed in Subim and Bonsambepo Forest Reserves during field surveys in 2008 (Mombu et al., 2008). Their population at these sites appear to be low, however no estimate of their abundance were made.

Year Estimated Number of Individuals Source Dates
2008 ? Presence confirmed

Table 1: Chimpanzee population estimates in Subim, Ayum, Bonsampebo Forest Reserves


These forest were logged in the past and logging activities are undergoing. These activities have left many old logging roads which are now used by hunters (Mombu et al. 2008). During recent surveys, many spent cartridges, snares and hunter's trails were encountered (Mombu et al. 2008).

Major Threats Subim, Ayum, Bonsampebo FR
Poaching yes
Disease no
Agriculture yes
Logging yes
Mining no

Table 2: Threats to chimpanzee in Subim, Ayum, Bonsampebo Forest Reserves

Conservation activities

Conservation actions Subim, Ayum, Bonsampebo FR
Law Enforcement no
Long-term Research no
Permanent Monitoring Program no
Education no
Public Awareness Campaign no
Ecotourism no

Table 3: Conservation activities in Subim, Ayum, Bonsampebo Forest Reserves


During 22 hours of 'recce' in 2008 at these sites, five nests were seen in Subim Forest Reserve and footprint and tracks were seen in Bonsampebo Forest Reserve (Mombu et al., 2008).


  • Abedi-Lartey, M. and Ambonsah, J. (1999) Preliminary Survey of Anthropoid Primates in Krokusa Hills Forest Reserve. Unpublished Report to the Protected Areas Development Program and Wildlife Division of the Forestry Commission, Accra, Ghana.
  • Magnuson, L., Adu-Nsiah, M. and Kpelle, D. (2003) Ghana. In: Kormos, R., Boesch, C., Bakarr, M.I., Butynski, T.M. eds, West African Chimpanzees. Status Survey and Conservation Action Plan. IUCN/SSC Priamte Specialist Group. IUCN, Gland, Switzerland. pp.111-116.
  • Hall, J.B. and Swaine, M.D. (1981) Distribution and Ecology of Vascular Plants in Tropical Rain Forest. W. Junk Publishers, Den Haag.
  • McManus, E. (2005) Republic of Ghana. In: Caldecott, J., Miles, L. eds World Atlas of Great Apes and Their Conservation. Prepared at the UNEP World Conservation Monitoring Centre. University of California Press, Berkeley, USA.
  • Mombu, V.M., Adjewodah, P., Akom, E., Yelibora, M.A., Oppong, J. and D. Bewong (2008) Ecology and Conservation of the White-Necked Rockfowl. Annual Report. Nature Conservation Research Centre, Ghana.
  • Oates, J. (2006) Primate Conservation in the Forests of Western Ghana. Unpublished report to the Wildlife Division, Forestry Commission, Ghana.
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