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= Summary =
= Summary =
−
<div style="float: right">{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers= OpenStreetMap, OpenTopoMap|11.73, -12.74~[[Nialama Classified Forest]]~Pan troglodytes verus}}</div>
+
<div style="float: right">{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers= OpenStreetMap, OpenTopoMap|11.73, -12.74~[[Nialama Classified Forest]]~'Pan troglodytes verus''}}</div>
* Western chimpanzees (''Pan troglodytes verus'') are present in Nialama Classified Forest.
* Western chimpanzees (''Pan troglodytes verus'') are present in Nialama Classified Forest.
* It has been estimated that more than 80 chimpanzees occur in and around Nialama Classified Forest.
* It has been estimated that more than 80 chimpanzees occur in and around Nialama Classified Forest.
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{| border="1" cellpadding="5" cellspacing="0" class="Site_characteristics-table"
{| border="1" cellpadding="5" cellspacing="0" class="Site_characteristics-table"
|Species
|Species
−
|Pan troglodytes verus
+
|'Pan troglodytes verus''
|-
|-
|Area
|Area
Line 50:
Line 50:
!Species
!Species
!Year
!Year
+
!Occurrence
+
!Encounter or vistation rate (nests/km; ind/day)
+
!Density estimate [ind./ km²] (95% CI)
!Abundance estimate (95% CI)
!Abundance estimate (95% CI)
−
!Density estimate [ind./ km²] (95% CI)
+
!Survey area
−
!Encounter rate (nests/km)
+
!Sampling method
−
!Area
+
!Analytical framework
−
!Method
!Source
!Source
!Comments
!Comments
Line 61:
Line 63:
|''Pan troglodytes verus''
|''Pan troglodytes verus''
|1997
|1997
+
|Present
+
|
|
|
|
|
−
|Present
|Nialama forest
|Nialama forest
|Reconnaissance walk
|Reconnaissance walk
+
|
|Ham 1998
|Ham 1998
|Reconnaissance survey
|Reconnaissance survey
Line 72:
Line 76:
|''Pan troglodytes verus''
|''Pan troglodytes verus''
|1998-1999
|1998-1999
−
|83
|
|
|
|
+
|
+
|83
|~125 km²
|~125 km²
|Reconnaissance walk
|Reconnaissance walk
+
|
|Fourrier 1999, Carter 2000 as cited in Kormos et al. 2003 and Sunderland-Groves et al. 2011
|Fourrier 1999, Carter 2000 as cited in Kormos et al. 2003 and Sunderland-Groves et al. 2011
|Community members repeatedly and systematically visited 1 km² grid cells to determine area used by chimpanzees
|Community members repeatedly and systematically visited 1 km² grid cells to determine area used by chimpanzees
Line 83:
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|''Pan troglodytes verus''
|''Pan troglodytes verus''
|2006-2008
|2006-2008
+
|
+
|0.08-0.240
|
|
|
|
−
|0.08-0.240
|Within and outside Nialama forest
|Within and outside Nialama forest
|Line transects
|Line transects
+
|
|Carter 2008 as cited in Sunderland-Groves et al. 2011
|Carter 2008 as cited in Sunderland-Groves et al. 2011
|Total survey effort: 3483.84 km
|Total survey effort: 3483.84 km
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!Year of threat
!Year of threat
|-
|-
−
|1 Residential & commercial development
+
|3 Energy production & mining
−
|1.1 Residential areas
+
|
−
|Medium
+
|Absent
−
|Two villages within the forest, additional villages in the vicinity (Sunderland-Groves et al. 2011)
+
|
−
|Ongoing (2011)
+
|
+
|-
+
|6 Human intrusions & disturbance
+
|
+
|Absent
+
|
+
|
|-
|-
−
|2 Agriculture & aquaculture
+
|9 Pollution
−
|2.1 Annual & perennial non-timber crops
+
|
−
|High
+
|Absent
−
|Agricultural very prevalent across the site, especially in the western part of the site (BirdLife International 2019, Kormos et al. 2003, Sunderland-Groves et al. 2011)
+
|
−
|Ongoing (2019)
+
|
|-
|-
−
|2 Agriculture & aquaculture
+
|10 Geological events
−
|2.3 Livestock farming & ranching
+
|
−
|Medium
+
|Absent
−
|Area used for cattle grazing (PEGG 2012)
+
|
−
|Ongoing (2012)
+
|
|-
|-
−
|3 Energy production & mining
+
|12 Other threat
|
|
|Absent
|Absent
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|
|
|-
|-
−
|4 Transportation & service corridors
+
|2 Agriculture & aquaculture
−
|4.1 Roads & railroads
+
|2.1 Annual & perennial non-timber crops
−
|Present
+
|High (more than 70% of population affected)
−
|Trail system used by villagers (Sunderland-Groves et al. 2011)
+
|Agricultural very prevalent across the site, especially in the western part of the site (BirdLife International 2019, Kormos et al. 2003, Sunderland-Groves et al. 2011).
−
|Ongoing (2011)
+
|2003-Ongoing (2019)
|-
|-
|5 Biological resource use
|5 Biological resource use
|5.1 Hunting & collecting terrestrial animals
|5.1 Hunting & collecting terrestrial animals
−
|Low
+
|Low (up to 30% of population affected)
|Retaliatory killings of chimpanzees after crop raiding, but generally social norms forbid the hunting and eating of chimpanzees (Sunderland-Groves et al. 2011). Conflicts between humans and chimpanzees over dry season water sources is intense and may lead to retaliation (Fourrier 1999).
|Retaliatory killings of chimpanzees after crop raiding, but generally social norms forbid the hunting and eating of chimpanzees (Sunderland-Groves et al. 2011). Conflicts between humans and chimpanzees over dry season water sources is intense and may lead to retaliation (Fourrier 1999).
|Ongoing (2011)
|Ongoing (2011)
|-
|-
−
|5 Biological resource use
+
|1 Residential & commercial development
−
|5.2 Gathering terrestrial plants
+
|1.1 Residential areas
−
|Present
+
|Medium (30-70% of population affected)
−
|Gathering of non-forest timber products permitted and regulated under the management plan (Sunderland-Groves et al. 2011)
+
|Two villages within the forest, additional villages in the vicinity (Sunderland-Groves et al. 2011).
|Ongoing (2011)
|Ongoing (2011)
+
|-
+
|2 Agriculture & aquaculture
+
|2.3 Livestock farming & ranching
+
|Medium (30-70% of population affected)
+
|Area used for cattle grazing (PEGG 2012).
+
|Ongoing (2012)
|-
|-
|5 Biological resource use
|5 Biological resource use
|5.3 Logging & wood harvesting
|5.3 Logging & wood harvesting
−
|Medium
+
|Medium (30-70% of population affected)
−
|Large-sale logging in the 1980s which markedly changed the habitat composition (BirdLife International 2019)
+
|Large-sale logging in the 1980s which markedly changed the habitat composition (BirdLife International 2019).
|1980s
|1980s
−
|-
−
|6 Human intrusions & disturbance
−
|
−
|Absent
−
|
−
|
|-
|-
|7 Natural system modifications
|7 Natural system modifications
|7.1 Fire & fire suppression
|7.1 Fire & fire suppression
−
|Medium
+
|Medium (30-70% of population affected)
−
|Fire are set for clearing areas for agricultural use and grass regrowth (Fourrier 1999. BirdLife International 2019, PEGG 2012, Sunderland-Groves et al. 2011)
+
|Fire are set for clearing areas for agricultural use and grass regrowth (Fourrier 1999. BirdLife International 2019, PEGG 2012, Sunderland-Groves et al. 2011).
|Ongoing (2019)
|Ongoing (2019)
+
|-
+
|4 Transportation & service corridors
+
|4.1 Roads & railroads
+
|Present (unknown severity)
+
|Trail system used by villagers (Sunderland-Groves et al. 2011).
+
|Ongoing (2011)
+
|-
+
|5 Biological resource use
+
|5.2 Gathering terrestrial plants
+
|Present (unknown severity)
+
|Gathering of non-forest timber products permitted and regulated under the management plan (Sunderland-Groves et al. 2011).
+
|Ongoing (2011)
|-
|-
|8 Invasive & other problematic species, genes & diseases
|8 Invasive & other problematic species, genes & diseases
|
|
|Unknown
|Unknown
−
|
−
|
−
|-
−
|9 Pollution
−
|
−
|Absent
−
|
−
|
−
|-
−
|10 Geological events
−
|
−
|Absent
|
|
|
|
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|
|
|Unknown
|Unknown
−
|
−
|
−
|-
−
|12 Other threat
−
|
−
|Absent
|
|
|
|