Boi Tano Forest Reserve

West Africa > Ghana > Boi Tano Forest Reserve

Summary

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• Western chimpanzees (Pan troglodytes verus) are present in Boi Tano Forest Reserve.
• No chimpanzees were recorded in the last survey.
• The chimpanzee population trend is decreasing.
• The site has a total size of 129 km².
• Key threats to chimpanzees are hunting and logging.
• Conservation activities are not documented.

Site characteristics

The reserve is located in southwestern Ghana, forming a continuous forest block with Tano Nimiri Forest Reserve in the northeast. It was declared a forest reserve in 1967 (Gatti 2009). The vegetation is mainly wet evergreen forest. Access to the reserve is difficult because of the many watercourses, with two main rivers, the Tano and the Bisao, crossing the reserve and resulting in much swamp habitat (BirdLife International 2022).

Table 1. Basic site information for Boi Tano Forest Reserve

Area	129 km²
Coordinates	5.506396 N, -2.638998 W
Designation	Forest Reserve
Habitat types	Subtropical/tropical moist lowland forest

IUCN habitat categories Site designations

Ape status

During a rapid survey in 2009, no signs of chimpanzees were documented; however, hunters reported chimpanzee sightings and signs, and a population may still exist in the contact zone between Tano-Nimiri and Boi Tano (Gatti 2009).

Table 2. Ape population estimates in Boi Tano Forest Reserve

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
Pan troglodytes verus	2009			0	Boi Tano Forest Reserve	Index survey (reconnaissance walk)	Gatti 2009	survey effort: 11.55 km

Threats

Table 3. Threats to apes in Boi Tano Forest Reserve

Category	Specific threats	Threat level	Quantified severity	Description	Year of threat
1. Residential & commercial development		Unknown
2. Agriculture & aquaculture	2.1 Annual & perennial non-timber crops	Present, but threat severity unknown		There are a few authorised farms in the reserve (BirdLife International 2022).	Ongoing (2022)
3. Energy production & mining		Unknown
4. Transportation & service corridors		Unknown
5. Biological resource use	5.1 Hunting & collecting terrestrial animals	High	1.385 hunting signs/km documented during a 2009 survey (Gatti 2009).	High abundance of hunting signs and low encounter of mammal species, especially large (Gatti 2009).	Ongoing (2009)
	5.3 Logging & wood harvesting	Present, but threat severity unknown		The entire reserve was under logging concession prior to its designation as a reserve in 1967; logging was last recorded in 1980 (BirdLife International 2022). The southern part of the reserve has been more heavily logged (Gatti 2009).	Ongoing (2022)
6. Human intrusion & disturbance		Unknown
7. Natural system modifications		Unknown
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

IUCN Threats list

Conservation activities

Table 4. Conservation activities in Boi Tano Forest Reserve

Category	Specific activity	Description	Year of activity
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

Table 5. Challenges reported for Boi Tano Forest Reserve

Challenge	Source
Not reported

Research activities

Documented behaviours

Table 6. Ape behaviors reported for Boi Tano Forest Reserve

Behavior	Source
Not reported

References

BirdLife International (2022) Important Bird Areas factsheet: Boin Tano Forest Reserve. Downloaded from http://www.birdlife.org on 15/03/2022.
Gatti, S. (2009). Mammal surveys and capacity building for the Wildlife Wood Project - Ghana. Unpublished report to the WWP-Ghana.

Page completed by: A.P.E.S. Wiki team Date: 18/03/2022