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Bumbuna Dam Catchment Area (view source)

Revision as of 09:49, 18 March 2025

357 bytes added ,  18 March
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= Summary =
 
= Summary =
   −
<div style="float: right">{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers= OpenStreetMap, OpenTopoMap|9.07, -11.72~[[Bumbuna Dam Catchment Area]]~Pan troglodytes verus}}</div>
+
<div style="float: right">{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers= OpenStreetMap, OpenTopoMap|9.07, -11.72~[[Bumbuna Dam Catchment Area]]~'Pan troglodytes verus''}}</div>
 
* Western chimpanzees (''Pan troglodytes verus'') are present in Bumbuna Dam Catchment Area.
 
* Western chimpanzees (''Pan troglodytes verus'') are present in Bumbuna Dam Catchment Area.
 
* It has been estimated that 388 individuals occur at the site.
 
* It has been estimated that 388 individuals occur at the site.
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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
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!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
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|''Pan troglodytes verus''
 
|''Pan troglodytes verus''
 
|2006
 
|2006
 +
|
 +
|
 +
|0.44-3.6
 
|33-58
 
|33-58
−
|0.44-3.6
  −
|
   
|Home range of 4 chimpanzee communities (i.e., not the entire catchment area)
 
|Home range of 4 chimpanzee communities (i.e., not the entire catchment area)
 
|Unknown
 
|Unknown
 +
|
 
|Nippon Koei UK 2007 as cited by Brncic et al. 2010
 
|Nippon Koei UK 2007 as cited by Brncic et al. 2010
 
|At least four communities present in the area
 
|At least four communities present in the area
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|''Pan troglodytes verus''
 
|''Pan troglodytes verus''
 
|2017-2018
 
|2017-2018
 +
|
 +
|
 +
|0.13 (0.06-0.32)
 
|30 (12-72)
 
|30 (12-72)
−
|0.13 (0.06-0.32)
  −
|
   
|Bumbuna Conservation Unit, and areas surrounding Bumbuna power plant and Yiben reservoir
 
|Bumbuna Conservation Unit, and areas surrounding Bumbuna power plant and Yiben reservoir
 
|Line transects & recces
 
|Line transects & recces
 +
|
 
|Ganas-Swaray et al. 2018
 
|Ganas-Swaray et al. 2018
 
|Line transect survey effort: 79.5 km, reconnaissance survey, presence of 7 chimpanzee groups was confirmed
 
|Line transect survey effort: 79.5 km, reconnaissance survey, presence of 7 chimpanzee groups was confirmed
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!Year of threat
 
!Year of threat
 
|-
 
|-
−
|1 Residential & commercial development
+
|9 Pollution
−
|1.1 Residential areas
+
|
−
|Present
+
|Absent
−
|Villages are present in the area (Ganas-Swaray et al. 2018)
+
|
−
|Ongoing (2018)
+
|
 +
|-
 +
|10 Geological events
 +
|
 +
|Absent
 +
|
 +
|
 +
|-
 +
|12 Other threat
 +
|
 +
|Absent
 +
|
 +
|
 
|-
 
|-
 
|2 Agriculture & aquaculture
 
|2 Agriculture & aquaculture
 
|2.1 Annual & perennial non-timber crops
 
|2.1 Annual & perennial non-timber crops
−
|High
+
|High (more than 70% of population affected)
 
|Slash-and-burn agriculture (Ganas-Swaray et al. 2018, MoEWR 2010)
 
|Slash-and-burn agriculture (Ganas-Swaray et al. 2018, MoEWR 2010)
 
|Ongoing (2018)
 
|Ongoing (2018)
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|2 Agriculture & aquaculture
 
|2 Agriculture & aquaculture
 
|2.3 Livestock farming & ranching
 
|2.3 Livestock farming & ranching
−
|High
+
|High (more than 70% of population affected)
 
|Presence of livestock in the area (Ganas-Swaray et al. 2018)
 
|Presence of livestock in the area (Ganas-Swaray et al. 2018)
−
|Ongoing (2018)
  −
|-
  −
|3 Energy production & mining
  −
|3.2 Mining & quarrying
  −
|Present
  −
|Artisanal gold mining (Ganas-Swaray et al. 2018, Nippon Koei 2005)
   
|Ongoing (2018)
 
|Ongoing (2018)
 
|-
 
|-
 
|4 Transportation & service corridors
 
|4 Transportation & service corridors
 
|4.1 Roads & railroads
 
|4.1 Roads & railroads
−
|High
+
|High (more than 70% of population affected)
 
|Footpaths, logging roads, and abandoned motor roads (Ganas-Swaray et al. 2018)
 
|Footpaths, logging roads, and abandoned motor roads (Ganas-Swaray et al. 2018)
 
|Ongoing (2018)
 
|Ongoing (2018)
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|5 Biological resource use
 
|5 Biological resource use
 
|5.1 Hunting & collecting terrestrial animals
 
|5.1 Hunting & collecting terrestrial animals
−
|High
+
|High (more than 70% of population affected)
 
|Hunting signs present (e.g., gun shells, snares, lookout platforms); in addition, interview data revealed that chimpanzees are hunted in the area (Ganas-Swaray et al. 2018)
 
|Hunting signs present (e.g., gun shells, snares, lookout platforms); in addition, interview data revealed that chimpanzees are hunted in the area (Ganas-Swaray et al. 2018)
 +
|Ongoing (2018)
 +
|-
 +
|7 Natural system modifications
 +
|7.2 Dams & water management/use
 +
|High (more than 70% of population affected)
 +
|Displacement of chimpanzees due to flooding of inundation area (Ganas-Swaray et al. 2018)
 +
|Ongoing (2018)
 +
|-
 +
|1 Residential & commercial development
 +
|1.1 Residential areas
 +
|Present (unknown severity)
 +
|Villages are present in the area (Ganas-Swaray et al. 2018)
 +
|Ongoing (2018)
 +
|-
 +
|3 Energy production & mining
 +
|3.2 Mining & quarrying
 +
|Present (unknown severity)
 +
|Artisanal gold mining (Ganas-Swaray et al. 2018, Nippon Koei 2005)
 
|Ongoing (2018)
 
|Ongoing (2018)
 
|-
 
|-
 
|5 Biological resource use
 
|5 Biological resource use
 
|5.3 Logging & wood harvesting
 
|5.3 Logging & wood harvesting
−
|Present
+
|Present (unknown severity)
 
|Signs of logging, forest in the area is highly fragmented (Ganas-Swaray et al. 2018)
 
|Signs of logging, forest in the area is highly fragmented (Ganas-Swaray et al. 2018)
 
|Ongoing (2018)
 
|Ongoing (2018)
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|5 Biological resource use
 
|5 Biological resource use
 
|5.3 Logging & wood harvesting
 
|5.3 Logging & wood harvesting
−
|Present
+
|Present (unknown severity)
 
|Fishing in the area (Ganas-Swaray et al. 2018)
 
|Fishing in the area (Ganas-Swaray et al. 2018)
 
|Ongoing (2018)
 
|Ongoing (2018)
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|
 
|
 
|
 
|
−
|-
  −
|7 Natural system modifications
  −
|7.2 Dams & water management/use
  −
|High
  −
|Displacement of chimpanzees due to flooding of inundation area (Ganas-Swaray et al. 2018)
  −
|Ongoing (2018)
   
|-
 
|-
 
|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
   
|
 
|
 
|
 
|
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