Ifon Forest Reserve

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West Africa > Nigeria > Ifon Forest Reserve

Summary[edit]

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  • Nigeria-Cameroon chimpanzees (Pan troglodytes ellioti) are present in Ifon Forest Reserve.
  • The population size is unknown.
  • The chimpanzee population trend is unknown.
  • The site has a total size of 282 km².
  • Key threats to chimpanzees are logging and hunting.
  • Conservation activities are not documented.

Site characteristics[edit]

Ifon is found in the state of Ondo, Nigeria. The vegetation of Ifon is composed mainly of savanna-woodland but riverine forest and high forest also occur here. Four rivers run through it, the Osse, the Omo, the Owesse and the Okowa Rivers (Greengrass 2006).

Table 1. Basic site information for Ifon Forest Reserve

Area 282 km²
Coordinates 7.10367,5.79839
Designation Forest Reserve
Habitat types Arable land, savanna, subtropical/tropical heavily degraded forest, subtropical/tropical moist lowland forest

IUCN habitat categories Site designations

Ape status[edit]

Chimpanzees may still be present in the site. During a 2005 visit to the site, a hunter reported the presence of chimpanzees (Greengrass 2006). In 2006, feeding remains were found in the reserve (Greengrass 2006). An up to date survey is needed to confirm chimpanzee occurrence.

Table 2. Ape population estimates in Ifon 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 ellioti Present Ifon Index survey (reconnaissance walk) Greengrass 2006 Feeding remains found.

Threats[edit]

The site is under high pressure from hunting, logging and encroachment/land clearing for farmland around its boundary (Greengrass 2006).

Table 3. Threats to apes in Ifon 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 High Conversion of forest for farmland (Greengrass 2006). Ongoing (2006)
3. Energy production & mining Unknown
4. Transportation & service corridors Unknown
5. Biological resource use 5.1 Hunting & collecting terrestrial animals High Illegal huntings (Greengrass 2006). Ongoing (2006)
5.3 Logging & wood harvesting High High logging pressure documented during a 2006 survey. Areas of high and riverine forest are subject to illegal logging (Greengrass 2006). Ongoing (2006)
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[edit]

INSERT PARAGRAPH(S)

Table 4. Conservation activities in Ifon 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[edit]

Table 5. Challenges reported for Ifon Forest Reserve

Challenge Source
Lack of law enforcement Greengrass 2006
Lack of funding Greengrass 2006

Research activities[edit]

Documented behaviours[edit]

Table 6. Ape behaviors reported for Ifon Forest Reserve

Behavior Source
Not reported

External links[edit]

References[edit]

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


Page completed by: A.P.E.S. Wiki team Date: 03/03/2023