Difference between revisions of "Ala Forest Reserve"
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+ | [[West Africa]] > [[Nigeria]] > [[Ala Forest Reserve]] | ||
− | + | = Summary = <!-- An overview of the site, with one sentence for each section. May include a site map --> | |
− | + | * Nigeria-Cameroon chimpanzees (''Pan troglodytes ellioti'') have been present in Ala Forest Reserve. | |
− | = Summary = | + | * Chimpanzees are extinct or nearly extinct at the site. |
− | + | * The chimpanzee population trend is unknown. | |
− | * | + | * The site has a total size of 199 km². |
− | * | + | * Key threats to chimpanzees are hunting and logging for oil palm, cocoa, and teak plantations. |
− | * | + | * Conservation activities not documented. |
− | * | ||
− | * Key threats to | ||
− | * | ||
+ | = Site characteristics = <!-- A paragraph summary of physical and geographic aspects of the site, and a table of key information --> | ||
− | + | '''Table 1. Basic site information for Ala Forest Reserve''' | |
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− | '''Table 1 | ||
{| border="1" cellpadding="5" cellspacing="0" class="basic-information" | {| border="1" cellpadding="5" cellspacing="0" class="basic-information" | ||
− | | Area | + | | Area <!-- Please include units: km2/ha e.g 200ha --> |
− | | | + | |199 km² |
|- | |- | ||
− | | Coordinates | + | |Coordinates |
| | | | ||
|- | |- | ||
− | | Designation | + | |Designation |
− | | | + | |Forest Reserve |
|- | |- | ||
− | |Habitat types | + | |Habitat types <!-- List IUCN Habitat Classification 3.0 categories present (without number), see link below --> |
− | | | + | |Arable land, plantations, subtropical/tropical heavily degraded forest, subtropical/tropical moist lowland forest |
|} | |} | ||
− | [ | + | [https://www.iucnredlist.org/resources/habitat-classification-scheme IUCN habitat categories] [[Site designations]] |
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− | = Ape status = | + | = Ape status = <!--An overview of ape population status (population sizes, trends, etc.), followed by a table of specific surveys and results --> |
+ | Chimpanzees are extinct or nearly extinct in Ala Forest Reserve (Greengrass 2006). During a 2006 survey, no chimpanzees, nor signs of chimpanzees, were encountered (Greengrass 2006). | ||
− | + | '''Table 2. Ape population estimates in Ala Forest Reserve''' | |
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− | '''Table 2 | ||
{| border="1" cellpadding="5" cellspacing="0" class="population-estimate-table" | {| border="1" cellpadding="5" cellspacing="0" class="population-estimate-table" | ||
! Species | ! Species | ||
! Year | ! Year | ||
− | ! Abundance estimate (95% | + | ! Abundance estimate (95% CI) |
− | ! Density estimate ( | + | ! Density estimate [ind./ km²] (95% CI) |
! Encounter rate (nests/km) | ! Encounter rate (nests/km) | ||
! Area | ! Area | ||
Line 72: | Line 52: | ||
! A.P.E.S. database ID | ! A.P.E.S. database ID | ||
|- | |- | ||
+ | |''Pan troglodytes ellioti'' | ||
+ | |2006 | ||
| | | | ||
| | | | ||
− | | | + | |0 |
− | | | + | |Ala Forest Reserve |
− | | | + | |Index survey (reconnaissance walk) |
− | | | + | |Greengrass 2006 |
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− | |||
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= Threats = <!-- a text overview of threats, followed by a table of key threats --> | = Threats = <!-- a text overview of threats, followed by a table of key threats --> | ||
+ | The northern half of the reserve is dominated by teak, oil palm, and cocoa plantations (Greengrass 2006). In the southern half of the reserve, even though the forest seems to be in a better condition, logging pressure is very high and large mammals are very scarce (Greengrass 2006). | ||
− | + | '''Table 3. Threats to apes in Ala Forest Reserve''' | |
− | |||
− | |||
− | '''Table 3 | ||
{| border="1" cellpadding="5" cellspacing="0" class="threats-table" | {| border="1" cellpadding="5" cellspacing="0" class="threats-table" | ||
− | !align="left"|Category | + | !align="left"|Category <!-- PLEASE DO NOT CHANGE THE THREAT CATEGORIES --> |
− | !Specific threats | + | !Specific threats <!-- For specific threats, please use list of comma separated keywords from the IUCN list linked below --> |
− | !Threat level | + | !Threat level <!-- For threat level, please use keywords: low, medium, high, present, absent, unknown--> |
− | !Quantified severity <!-- e.g., encounter | + | !Quantified severity <!-- Enter any available quantification of the threat, e.g., the proportion of the area affected by the threat, hunting sign encounter rates--> |
− | !Description | + | !Description <!-- Add descriptive information --> |
− | !Year of threat | + | !Year of threat <!-- Enter specific year(s), “ongoing”, or “unknown”. If the threat is ongoing, please add the year of reference in parentheses --> |
|- | |- | ||
|1. Residential & commercial development | |1. Residential & commercial development | ||
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− | | | + | |Unknown |
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|- | |- | ||
|2. Agriculture & aquaculture | |2. Agriculture & aquaculture | ||
+ | |2.1 Annual & perennial non-timber crops | ||
+ | |High | ||
| | | | ||
+ | |Oil palm and cocoa plantations in the northern half of the reserve (Greengrass 2006) | ||
+ | |Ongoing (2006) | ||
+ | |- | ||
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+ | |2.2 Wood & pulp plantations | ||
+ | |High | ||
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− | | | + | |Land cleared for teak plantations (Greengrass 2006) |
− | | | + | |Ongoing (2006) |
|- | |- | ||
|3. Energy production & mining | |3. Energy production & mining | ||
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− | | | + | |Unknown |
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|- | |- | ||
|4. Transportation & service corridors | |4. Transportation & service corridors | ||
+ | |4.1 Roads & railroads | ||
+ | |High | ||
| | | | ||
− | | | + | |A road crosses the reserve from north to south (Greengrass 2006) |
− | | | + | |Ongoing (2006) |
− | |||
− | |||
|- | |- | ||
|5. Biological resource use | |5. Biological resource use | ||
+ | |5.1 Hunting & collecting terrestrial animals | ||
+ | |High | ||
| | | | ||
+ | |Hunter trails and a large number of discarded cartridges were found in the southern part of the reserve, where chimpanzees were last seen (Greengrass 2006) | ||
+ | |Ongoing (2006) | ||
+ | |- | ||
| | | | ||
+ | |5.3 Logging & wood harvesting | ||
+ | |High | ||
| | | | ||
− | | | + | |Logging pressure is high in the area were chimpanzees were last seen (Greengrass 2006) |
− | | | + | |Ongoing (2006) |
|- | |- | ||
− | |6. Human | + | |6. Human intrusion & disturbance |
− | |||
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+ | |Unknown | ||
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|7. Natural system modifications | |7. Natural system modifications | ||
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− | | | + | |Unknown |
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|8. Invasive & other problematic species, genes, diseases | |8. Invasive & other problematic species, genes, diseases | ||
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− | | | + | |Unknown |
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|9. Pollution | |9. Pollution | ||
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− | | | + | |Unknown |
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|10. Geological Events | |10. Geological Events | ||
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− | | | + | |Absent |
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|- | |- | ||
− | |11. Climate change & severe weather | + | | 11. Climate change & severe weather |
− | |||
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+ | |Unknown | ||
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|12. Other options | |12. Other options | ||
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− | | | + | |Unknown |
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[https://www.iucnredlist.org/resources/threat-classification-scheme IUCN Threats list] | [https://www.iucnredlist.org/resources/threat-classification-scheme IUCN Threats list] | ||
+ | = Conservation activities = <!-- A summary of the conservation activities, followed by a table of key activities --> | ||
− | + | '''Table 4. Conservation activities in Ala Forest Reserve''' | |
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− | '''Table 4 | ||
{| border="1" cellpadding="5" cellspacing="0" class="conservation-actions-table" | {| border="1" cellpadding="5" cellspacing="0" class="conservation-actions-table" | ||
− | !align="left"|Category | + | !align="left"|Category <!-- PLEASE DO NOT CHANGE THE CATEGORIES --> |
− | !Specific activity | + | !Specific activity <!-- For specific threats, please use list from the list linked below, OR enter “Not reported” --> |
− | !Description | + | !Description <!-- Add descriptive information --> |
− | !Year of activity | + | !Year of activity <!-- Add descriptive information --> |
|- | |- | ||
|1. Residential & commercial development | |1. Residential & commercial development | ||
− | | | + | |Not reported |
| | | | ||
| | | | ||
|- | |- | ||
|2. Agriculture & aquaculture | |2. Agriculture & aquaculture | ||
− | | | + | |Not reported |
| | | | ||
| | | | ||
|- | |- | ||
|3. Energy production & mining | |3. Energy production & mining | ||
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
|4. Transportation & service corridors | |4. Transportation & service corridors | ||
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
|5. Biological resource use | |5. Biological resource use | ||
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
− | |6. Human | + | |6. Human intrusion & disturbance |
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
|7. Natural system modifications | |7. Natural system modifications | ||
− | | | + | |Not reported |
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|- | |- | ||
|8. Invasive & other problematic species, genes, diseases | |8. Invasive & other problematic species, genes, diseases | ||
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
|9. Pollution | |9. Pollution | ||
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
|10. Education & Awareness | |10. Education & Awareness | ||
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
|11. Habitat Protection | |11. Habitat Protection | ||
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
|12. Species Management | |12. Species Management | ||
− | | | + | |Not reported |
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| | | | ||
|- | |- | ||
|13. Livelihood; Economic & Other Incentives | |13. Livelihood; Economic & Other Incentives | ||
− | | | + | |Not reported |
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| | | | ||
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[[Conservation activities list (Junker et al. 2017)]] | [[Conservation activities list (Junker et al. 2017)]] | ||
+ | = Challenges = <!-- Overview of challenges in ape conservation --> | ||
− | + | '''Table 5. Challenges reported for Ala Forest Reserve''' | |
− | + | {| border="1" cellpadding="5" cellspacing="0" class="challenges-table" | |
− | + | !align="left"|Challenge <!-- Do not change categories --> | |
− | + | !Source <!-- Source for challenge mentioned --> | |
− | + | |- | |
− | + | |Corruption | |
− | + | |Greengrass 2006 | |
− | '''Table 5 | + | |- |
− | {| border="1" cellpadding="5" cellspacing="0" class=" | + | |Lack of financial means |
− | !align="left"| | + | |Greengrass 2006 |
− | !Source | ||
|- | |- | ||
− | | | + | |Lack of law enforcement |
− | | | + | |Greengrass 2006 |
|- | |- | ||
|} | |} | ||
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= Research activities = <!-- Overview of research activities --> | = Research activities = <!-- Overview of research activities --> | ||
− | + | No information on research activities has been documented. | |
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===Documented behaviours=== <!-- List of any behaviours observed at the site, including citations --> | ===Documented behaviours=== <!-- List of any behaviours observed at the site, including citations --> | ||
− | '''Table 6 | + | '''Table 6. Ape behaviors reported for Ala Forest Reserve''' |
{| border="1" cellpadding="5" cellspacing="0" class="behaviors-table" | {| border="1" cellpadding="5" cellspacing="0" class="behaviors-table" | ||
− | !align="left"|Behavior | + | !align="left"|Behavior |
− | !Source | + | !Source |
|- | |- | ||
− | | | + | |Not reported |
| | | | ||
|- | |- | ||
|} | |} | ||
+ | =External links= | ||
===Relevant datasets=== | ===Relevant datasets=== | ||
[http://apesportal.eva.mpg.de/database/archiveMap A.P.E.S Portal] | [http://apesportal.eva.mpg.de/database/archiveMap A.P.E.S Portal] | ||
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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. <br> | |
<br> | <br> | ||
− | '''Page completed by:''' | + | '''Page completed by: '''A.P.E.S. Wiki Team''' Date:''' 19/11/2020 <!-- If you don't want to add your name, you can add "A.P.E.S. Wiki team" --> |
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Revision as of 11:46, 19 November 2020
West Africa > Nigeria > Ala Forest Reserve
Summary
- Nigeria-Cameroon chimpanzees (Pan troglodytes ellioti) have been present in Ala Forest Reserve.
- Chimpanzees are extinct or nearly extinct at the site.
- The chimpanzee population trend is unknown.
- The site has a total size of 199 km².
- Key threats to chimpanzees are hunting and logging for oil palm, cocoa, and teak plantations.
- Conservation activities not documented.
Site characteristics
Table 1. Basic site information for Ala Forest Reserve
Area | 199 km² |
Coordinates | |
Designation | Forest Reserve |
Habitat types | Arable land, plantations, subtropical/tropical heavily degraded forest, subtropical/tropical moist lowland forest |
IUCN habitat categories Site designations
Ape status
Chimpanzees are extinct or nearly extinct in Ala Forest Reserve (Greengrass 2006). During a 2006 survey, no chimpanzees, nor signs of chimpanzees, were encountered (Greengrass 2006).
Table 2. Ape population estimates in Ala 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 | 2006 | 0 | Ala Forest Reserve | Index survey (reconnaissance walk) | Greengrass 2006 |
Threats
The northern half of the reserve is dominated by teak, oil palm, and cocoa plantations (Greengrass 2006). In the southern half of the reserve, even though the forest seems to be in a better condition, logging pressure is very high and large mammals are very scarce (Greengrass 2006).
Table 3. Threats to apes in Ala 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 | Oil palm and cocoa plantations in the northern half of the reserve (Greengrass 2006) | Ongoing (2006) | |
2.2 Wood & pulp plantations | High | Land cleared for teak plantations (Greengrass 2006) | Ongoing (2006) | ||
3. Energy production & mining | Unknown | ||||
4. Transportation & service corridors | 4.1 Roads & railroads | High | A road crosses the reserve from north to south (Greengrass 2006) | Ongoing (2006) | |
5. Biological resource use | 5.1 Hunting & collecting terrestrial animals | High | Hunter trails and a large number of discarded cartridges were found in the southern part of the reserve, where chimpanzees were last seen (Greengrass 2006) | Ongoing (2006) | |
5.3 Logging & wood harvesting | High | Logging pressure is high in the area were chimpanzees were last seen (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 | Unknown |
Conservation activities
Table 4. Conservation activities in Ala 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 Ala Forest Reserve
Challenge | Source |
---|---|
Corruption | Greengrass 2006 |
Lack of financial means | Greengrass 2006 |
Lack of law enforcement | Greengrass 2006 |
Research activities
No information on research activities has been documented.
Documented behaviours
Table 6. Ape behaviors reported for Ala Forest Reserve
Behavior | Source |
---|---|
Not reported |
External links
Relevant datasets
References
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: 19/11/2020