Ogbesse Forest Reserve

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Summary

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• Nigeria-Cameroon chimpanzees (Pan troglodytes ellioti) are absent in Ogbesse Forest Reserve.
• Chimpanzees have not been seen in the reserve since 1996.
• The site has a total size of 73 km².
• Key threats to chimpanzees are logging, hunting, and clearing forest for agriculture and hardwood plantations.
• Conservation activities are not documented.

Site characteristics

The Ogbesse Forest Reserve is located close to the Ekiti state capital of Ado-Ekiti, Nigeria. The reserve has been completely logged and cleared for farms and teak and gmelina plantations (Greengrass 2006).

Table 1. Basic site information for Ogbesse Forest Reserve

Species	'Pan troglodytes ellioti
Area	73 km²
Coordinates	Lat: 7.550617 , Lon: 5.359618
Type of site	Protected area (Forest Reserve)
Habitat types	Agricultural land, Subtropical/tropical heavily degraded former forest
Type of governance

IUCN habitat categories Site designations

Ape status

Chimpanzees have not been sighted in the reserve since 1996; it is certain from the unsuitable habitat that they are extinct now. The reserve is small in size, its location close to the state capital and a road runs through it to Ise Town; these are probably all factors that have contributed to the quick over-exploitation of its natural resources (Greengrass 2006).

Table 2. Ape population estimates reported for Ogbesse Forest Reserve

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 ellioti	2006		0			Ogbesse Forest Reserve	Reconnaissance walk		Greengrass 2006	Chimpanzees not seen here since 1996

Threats

Table 3. Threats to apes reported for Ogbesse Forest Reserve

Category	Specific threats	Threat level	Description	Year of threat
10 Geological events		Absent
12 Other threat		Absent
2 Agriculture & aquaculture	2.2 Wood & pulp plantations	High (more than 70% of population affected)	The site has been completely logged and cleared for farms and teak and gmelina plantations (Greengrass 2006).	Ongoing (2006)
4 Transportation & service corridors	4.1 Roads & railroads	High (more than 70% of population affected)	A road runs through the reserve to Ise Town (Greengrass 2006).	Ongoing (2006)
5 Biological resource use	5.3 Logging & wood harvesting	High (more than 70% of population affected)	Illegal logging (Greengrass 2006).	Ongoing (2006)
7 Natural system modifications	7.1 Fire & fire suppression	High (more than 70% of population affected)	Widespread burning to clear land (Greengrass 2006).	Ongoing (2006)
1 Residential & commercial development		Unknown
3 Energy production & mining		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

Challenges

Table 5. Challenges reported for Ogbesse Forest Reserve

Challenges	Specific challenges	Source	Year(s)
	Not reported

Enablers

Table 6. Enablers reported for Ogbesse Forest Reserve

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 Ogbesse Forest Reserve

Behavior	Source
Not reported

References

Greengrass, E.J. (2006). A survey of chimpanzees in south-west Nigeria. Report to the NCF-WCS Biodiversity Research Programme.

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