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Tayna Nature Reserve (view source)

Revision as of 09:18, 18 March 2025

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= Summary =
 
= Summary =
   −
<div style="float: right">{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers= OpenStreetMap, OpenTopoMap|-0.346968, 28.933953~[[Tayna Nature Reserve]]~Gorilla beringei graueri, Pan troglodytes schweinfurthii}}</div>
+
<div style="float: right">{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers= OpenStreetMap, OpenTopoMap|-0.346968, 28.933953~[[Tayna Nature Reserve]]~'Pan troglodytes schweinfurthii'', ''Gorilla beringei graueri''}}</div>
 
* Eastern chimpanzees (‘’Pan troglodytes schweinfurthii’’) & Grauer's gorillas (‘’Gorilla beringei graueri’’) are present in Tayna Nature Reserve.
 
* Eastern chimpanzees (‘’Pan troglodytes schweinfurthii’’) & Grauer's gorillas (‘’Gorilla beringei graueri’’) are present in Tayna Nature Reserve.
 
* The population estimates are unknown.
 
* The population estimates are unknown.
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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
−
|Gorilla beringei graueri, Pan troglodytes schweinfurthii
+
|'Pan troglodytes schweinfurthii'', ''Gorilla beringei graueri''
 
|-
 
|-
 
|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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|''Gorilla beringei graueri''
 
|''Gorilla beringei graueri''
 
|2001-2002
 
|2001-2002
 +
|
 +
|
 +
|1.00
 
|450
 
|450
−
|1.00
  −
|
   
|Tayna Gorilla Reserve
 
|Tayna Gorilla Reserve
 
|Reconnaissance walk
 
|Reconnaissance walk
 +
|
 
|Vwirasihikya & Matsitsi 2003
 
|Vwirasihikya & Matsitsi 2003
 
|
 
|
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|''Gorilla beringei graueri''
 
|''Gorilla beringei graueri''
 
|2012
 
|2012
−
|185-210
   
|
 
|
 
|
 
|
 +
|
 +
|185-210
 
|906 sq km, Tayna Nature Reserve
 
|906 sq km, Tayna Nature Reserve
 
|Survey data, Line transects, Partial count
 
|Survey data, Line transects, Partial count
 +
|
 
|Plumptre et al. 2015b
 
|Plumptre et al. 2015b
 
|
 
|
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|''Gorilla beringei graueri''
 
|''Gorilla beringei graueri''
 
|2011-2015
 
|2011-2015
 +
|
 +
|
 +
|0.289
 
|541 (121-2414)
 
|541 (121-2414)
−
|0.289
  −
|
   
|1869 sq km, Tayna-Kisimba-Ikobo
 
|1869 sq km, Tayna-Kisimba-Ikobo
 
|Line transects & recces
 
|Line transects & recces
 +
|
 
|Plumptre et al. 2016
 
|Plumptre et al. 2016
 
|
 
|
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|''Gorilla beringei graueri''
 
|''Gorilla beringei graueri''
 
|2021
 
|2021
 +
|Present
 +
|
 
|
 
|
 
|
 
|
−
|Present
   
|Tayna Nature Reserve 900 sq km
 
|Tayna Nature Reserve 900 sq km
 
|Strip transect
 
|Strip transect
 +
|
 
|Fawcett & Kabuyaya Mbeke 2021
 
|Fawcett & Kabuyaya Mbeke 2021
 
|
 
|
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|''Pan troglodytes schweinfurthii''
 
|''Pan troglodytes schweinfurthii''
 
|2021
 
|2021
 +
|Present
 +
|
 
|
 
|
 
|
 
|
−
|Present
   
|Tayna Nature Reserve 900 sq km
 
|Tayna Nature Reserve 900 sq km
 
|Strip transect
 
|Strip transect
 +
|
 
|Fawcett & Kabuyaya Mbeke 2021
 
|Fawcett & Kabuyaya Mbeke 2021
 
|
 
|
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|''Gorilla beringei graueri''
 
|''Gorilla beringei graueri''
 
|2023
 
|2023
 +
|Present
 +
|
 
|
 
|
 
|
 
|
−
|Present
   
|Tayna Nature Reserve
 
|Tayna Nature Reserve
 
|Camera trap
 
|Camera trap
 +
|
 
|
 
|
 
|
 
|
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|-
 
|-
 
|1 Residential & commercial development
 
|1 Residential & commercial development
 +
|
 +
|Absent
 +
|
 +
|
 +
|-
 +
|10 Geological events
 +
|
 +
|Absent
 +
|
 +
|
 +
|-
 +
|12 Other threat
 
|
 
|
 
|Absent
 
|Absent
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|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)
 
|Subsistence agriculture ([https://gracegorillas.org/2021/07/02/great-ape-survey-tayna-nature-reserve/ GRACE 2021]).
 
|Subsistence agriculture ([https://gracegorillas.org/2021/07/02/great-ape-survey-tayna-nature-reserve/ GRACE 2021]).
 
|Ongoing (2021)
 
|Ongoing (2021)
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|3 Energy production & mining
 
|3 Energy production & mining
 
|3.2 Mining & quarrying
 
|3.2 Mining & quarrying
−
|High
+
|High (more than 70% of population affected)
 
|Artisanal mining for minerals such as cassiterite, gold and coltan (Plumptre et al. 2015b).
 
|Artisanal mining for minerals such as cassiterite, gold and coltan (Plumptre et al. 2015b).
 
|Ongoing (2022)
 
|Ongoing (2022)
−
|-
  −
|4 Transportation & service corridors
  −
|
  −
|Unknown
  −
|
  −
|
   
|-
 
|-
 
|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)
 
|Bushmeat hunting for subsistence (Fawcett, K., pers. comm. 2022). Furthermore, several gorillas were killed (and an infant captured) in the Tayna Nature Reserve between 2004 and 2007, as reported by Nixon, S. (Plumptre et al. 2015b).
 
|Bushmeat hunting for subsistence (Fawcett, K., pers. comm. 2022). Furthermore, several gorillas were killed (and an infant captured) in the Tayna Nature Reserve between 2004 and 2007, as reported by Nixon, S. (Plumptre et al. 2015b).
−
|Ongoing (2022)
+
|2004-Ongoing (2022)
 
|-
 
|-
 
|5 Biological resource use
 
|5 Biological resource use
 
|5.3 Logging & wood harvesting
 
|5.3 Logging & wood harvesting
−
|Low
+
|Low (up to 30% of population affected)
 
|Logging for local subsistence, e.g., gathering fuelwood, timber harvesting for construction (Fawcett, K., pers. comm. 2022, GRACE 2021).
 
|Logging for local subsistence, e.g., gathering fuelwood, timber harvesting for construction (Fawcett, K., pers. comm. 2022, GRACE 2021).
 
|Ongoing (2022)
 
|Ongoing (2022)
 
|-
 
|-
−
|6 Human intrusions & disturbance
+
|8 Invasive & other problematic species, genes & diseases
 +
|8.4 Pathogens
 +
|Present (unknown severity)
 +
|Ebola outbreak that lasted 18 months, not directly inside the reserve, but in eastern DRC ([https://gracegorillas.org/2021/07/02/great-ape-survey-tayna-nature-reserve/ GRACE 2021]).
 +
|2017-2019
 +
|-
 +
|4 Transportation & service corridors
 
|
 
|
 
|Unknown
 
|Unknown
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|
 
|
 
|-
 
|-
−
|7 Natural system modifications
+
|6 Human intrusions & disturbance
 
|
 
|
 
|Unknown
 
|Unknown
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|
 
|
 
|-
 
|-
−
|8 Invasive & other problematic species, genes & diseases
+
|7 Natural system modifications
−
|8.4 Pathogens
  −
|Present, but threat severity unknown
  −
|Ebola outbreak that lasted 18 months, not directly inside the reserve, but in eastern DRC ([https://gracegorillas.org/2021/07/02/great-ape-survey-tayna-nature-reserve/ GRACE 2021]).
  −
|2017-2019
  −
|-
  −
|9 Pollution
   
|
 
|
 
|Unknown
 
|Unknown
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|
 
|
 
|-
 
|-
−
|10 Geological events
+
|9 Pollution
 
|
 
|
−
|Absent
+
|Unknown
 
|
 
|
 
|
 
|
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|
 
|
 
|Unknown
 
|Unknown
−
|
  −
|
  −
|-
  −
|12 Other threat
  −
|
  −
|Absent
   
|
 
|
 
|
 
|
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