Owo Forest Reserve

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Summary

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Leaflet

• Nigeria-Cameroon chimpanzees (Pan troglodytes ellioti) may be present in Owo Forest Reserve.
• The population size is unknown.
• The population trend is decreasing.
• The site has a total size of 242 km².
• Key threats to chimpanzees are clearing land for agriculture and plantations.
• Conservation activities are not documented.

Site characteristics

The reserve is located in the state of Ondo, Nigeria.

Table 1. Basic site information for Owo Forest Reserve

Species	'Pan troglodytes ellioti
Area	242 km²
Coordinates	Lat: 6.96879 , Lon: 5.5626
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

The site was superficially surveyed in 2006. Two nests were observed in Owo Forest Reserve in 1997, but it remains unconfirmed whether or not chimpanzees still survive here- a more extensive survey is needed to confirm chimpanzee occurrence (Greengrass 2006).

Table 2. Ape population estimates reported for Owo 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			Owo Forest Reserve	Reconnaissance walk		Greengrass 2006

Threats

Table 3. Threats to apes reported for Owo Forest Reserve

Category	Specific threats	Threat level	Description	Year of threat
10 Geological events		Absent
12 Other threat		Absent
2 Agriculture & aquaculture	2.1 Annual & perennial non-timber crops	High (more than 70% of population affected)	Land clearing for farmland (Greengrass 2006).	Ongoing (2006)
2 Agriculture & aquaculture	2.2 Wood & pulp plantations	High (more than 70% of population affected)	Extensive teak and gmelina plantations (Greengrass 2006).	Ongoing (2006)
7 Natural system modifications	7.1 Fire & fire suppression	Present (unknown severity)	Clearing land with fires, leading to high fragmentation of the forest (Greengrass 2006).	Ongoing (2006)
1 Residential & commercial development		Unknown
3 Energy production & mining		Unknown
4 Transportation & service corridors		Unknown
5 Biological resource use		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 Owo Forest Reserve

Challenges	Specific challenges	Source	Year(s)
	Not reported

Enablers

Table 6. Enablers reported for Owo 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 Owo 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.

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