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= Site characteristics =
= Site characteristics =


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).
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 ([[#R00766|Greengrass 2006]]).


'''Table 1. Basic site information for Ifon Forest Reserve'''
'''Table 1. Basic site information for Ifon Forest Reserve'''
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= Ape status =
= Ape status =


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.
Chimpanzees may still be present in the site. During a 2005 visit to the site, a hunter reported the presence of chimpanzees ([[#R00766|Greengrass 2006]]). In 2006, feeding remains were found in the reserve ([[#R00766|Greengrass 2006]]). An up to date survey is needed to confirm chimpanzee occurrence.


'''Table 2. Ape population estimates reported for Ifon Forest Reserve'''
'''Table 2. Ape population estimates reported for Ifon Forest Reserve'''
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|Reconnaissance walk
|Reconnaissance walk
|
|
|Greengrass 2006
|[[#R00766|Greengrass 2006]]
|Feeding remains found.
|Feeding remains found.
|
|
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= Threats =
= Threats =


The site is under high pressure from hunting, logging and encroachment/land clearing for farmland around its boundary (Greengrass 2006).
The site is under high pressure from hunting, logging and encroachment/land clearing for farmland around its boundary ([[#R00766|Greengrass 2006]]).


'''Table 3. Threats to apes reported for Ifon Forest Reserve'''
'''Table 3. Threats to apes reported for Ifon Forest Reserve'''
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|2.1 Annual & perennial non-timber crops
|2.1 Annual & perennial non-timber crops
|High (more than 70% of population affected)
|High (more than 70% of population affected)
|Conversion of forest for farmland (Greengrass 2006).
|Conversion of forest for farmland ([[#R00766|Greengrass 2006]]).
|Ongoing (2006)
|Ongoing (2006)
|-
|-
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|5.1 Hunting & collecting terrestrial animals
|5.1 Hunting & collecting terrestrial animals
|High (more than 70% of population affected)
|High (more than 70% of population affected)
|Illegal huntings (Greengrass 2006).
|Illegal huntings ([[#R00766|Greengrass 2006]]).
|Ongoing (2006)
|Ongoing (2006)
|-
|-
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|5.3 Logging & wood harvesting
|5.3 Logging & wood harvesting
|High (more than 70% of population affected)
|High (more than 70% of population affected)
|High logging pressure documented during a 2006 survey. Areas of high and riverine forest are subject to illegal logging (Greengrass 2006).
|High logging pressure documented during a 2006 survey. Areas of high and riverine forest are subject to illegal logging ([[#R00766|Greengrass 2006]]).
|Ongoing (2006)
|Ongoing (2006)
|}
|}
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!Source
!Source
!Year(s)
!Year(s)
|-
|2 Resources and capacity
|2.3 General lack of funding
|[[#R00766|Greengrass 2006]]
|
|-
|-
|4 Institutional support
|4 Institutional support
|4.1 Lack of law enforcement
|4.1 Lack of law enforcement
|Greengrass 2006
|[[#R00766|Greengrass 2006]]
|
|-
|2 Resources and capacity
|2.3 General lack of funding
|Greengrass 2006
|
|
|}
|}
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= References =
= References =


Greengrass, E.J. (2006). A survey of chimpanzees in south-west Nigeria. Report to the NCF-WCS Biodiversity Research Programme.
<span id="R00766"></span>Greengrass, E.J. (2006). A survey of chimpanzees in south-west Nigeria. Report to the NCF-WCS Biodiversity Research Programme. [http://cameroun-foret.com/system/files/18_13_132.pdf link]






'''Page created by: '''APES Atlas Team''' Date:''' 2023-03-03
'''Page created by: '''APES Atlas Team''' Date:''' 2023-03-03

Latest revision as of 16:28, 12 October 2026

West Africa > Nigeria > Ifon Forest Reserve

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Summary

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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

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

Species Pan troglodytes ellioti
Area 282 km²
Coordinates Lat: 7.10367 , Lon: 5.79839
Type of site Protected area (Forest Reserve)
Habitat types Agricultural land, Savanna, Subtropical/tropical heavily degraded former forest, Subtropical/tropical moist lowland forest
Type of governance

Types of sites Governance types Habitat types

Ape status

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 reported for Ifon 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 Present Ifon Reconnaissance walk Greengrass 2006 Feeding remains found.

Sampling methods Analytical frameworks

Threats

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 reported for Ifon Forest Reserve

Category Specific threats Threat level Description Year of threat
2 Agriculture & aquaculture 2.1 Annual & perennial non-timber crops High (more than 70% of population affected) Conversion of forest for farmland (Greengrass 2006). Ongoing (2006)
5 Biological resource use 5.1 Hunting & collecting terrestrial animals High (more than 70% of population affected) Illegal huntings (Greengrass 2006). Ongoing (2006)
5 Biological resource use 5.3 Logging & wood harvesting High (more than 70% of population affected) High logging pressure documented during a 2006 survey. Areas of high and riverine forest are subject to illegal logging (Greengrass 2006). Ongoing (2006)

Threats

Conservation activities

INSERT PARAGRAPH(S)

Challenges

Table 5. Challenges reported for Ifon Forest Reserve

Challenges Specific challenges Source Year(s)
2 Resources and capacity 2.3 General lack of funding Greengrass 2006
4 Institutional support 4.1 Lack of law enforcement Greengrass 2006

Challenges

Enablers

Table 6. Enablers reported for Ifon 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

Enablers

Research activities

Documented behaviours

Table 7. Behaviours documented for Ifon Forest Reserve

Category Behavior Observation type Prevalence Observation dates Source Habituation Species Comment
Not reported

Behaviours

Exposure to climate change impacts

External links

References

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


Page created by: APES Atlas Team Date: 2023-03-03

Retrieved from "https://apesatlas.iucnapesportal.org/index.php?title=Ifon_Forest_Reserve&oldid=3848"