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!Method
|27
|29
|-
−|5 Biological resource use
−|5.1 Hunting & collecting terrestrial animals
−|Present, but threat severity unknown
−|Poaching (Ali 2021).
−|Ongoing (2021)
|-
−|8 Invasive & other problematic species, genes & diseases
−|8.4 Pathogens
−|Present, but threat severity unknown
−|Risk of infection due to human presence, including Covid-19 (Ali 2021), and pulmonary diseases (Azizi Bin Ahmad Zaini pers. comm. 2023).
−|Ongoing (2023)
|
−|
−|-
−|10 Geological events
−|
−|Absent
|
−|
−|-
−|12 Other threat
−|
−|Absent
= Summary =
= Summary =
−<div style="float: right">{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers= OpenStreetMap, OpenTopoMap|1.392031, 110.299506~[[Semenggoh Nature Reserve]]~Pongo pygmaeus pygmaeus}}</div>
+<div style="float: right">{{#display_map: height=190px | width=300px | scrollzoom=off | zoom=5 | layers= OpenStreetMap, OpenTopoMap|1.392031, 110.299506~[[Semenggoh Nature Reserve]]~'Pongo pygmaeus pygmaeus''}}</div>
* Northwest Bornean orangutans (''Pongo pygmaeus pygmaeus'') are present in Semenggoh Nature Reserve.
* Northwest Bornean orangutans (''Pongo pygmaeus pygmaeus'') are present in Semenggoh Nature Reserve.
* 27 individuals occur in the site.
* 27 individuals occur in 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
−|Pongo pygmaeus pygmaeus
+|'Pongo pygmaeus pygmaeus''
|-
|-
|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
−!Source
!Source
!Comments
!Comments
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|''Pongo pygmaeus pygmaeus''
|''Pongo pygmaeus pygmaeus''
|2016
|2016
−|
|
|
|
+|
+|27
|Semenggoh Nature Reserve
|Semenggoh Nature Reserve
|Full count
|Full count
+|
|Tisen & Silang 2016
|Tisen & Silang 2016
|
|
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|''Pongo pygmaeus pygmaeus''
|''Pongo pygmaeus pygmaeus''
|2023
|2023
−|
|
|
|
+|
+|29
|Semenggoh Nature Reserve
|Semenggoh Nature Reserve
|Full count
|Full count
+|
|Azizi Bin Ahmad Zaini pers. comm. 2023
|Azizi Bin Ahmad Zaini pers. comm. 2023
|
|
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!Description
!Description
!Year of threat
!Year of threat
+|-
+|10 Geological events
+|
+|Absent
+|
+|
+|-
+|12 Other threat
+|
+|Absent
+|
+|
|-
|-
|1 Residential & commercial development
|1 Residential & commercial development
|1.1 Residential areas
|1.1 Residential areas
−|High
+|High (more than 70% of population affected)
|Habitat encroachment due to housing developments around the site, which also increase forest fragmentation (Ali 2021).
|Habitat encroachment due to housing developments around the site, which also increase forest fragmentation (Ali 2021).
|Ongoing (2021)
|Ongoing (2021)
+|-
+|5 Biological resource use
+|5.1 Hunting & collecting terrestrial animals
+|Present (unknown severity)
+|Poaching (Ali 2021).
+|Ongoing (2021)
+|-
+|8 Invasive & other problematic species, genes & diseases
+|8.4 Pathogens
+|Present (unknown severity)
+|Risk of infection due to human presence, including Covid-19 (Ali 2021), and pulmonary diseases (Azizi Bin Ahmad Zaini pers. comm. 2023).
+|Ongoing (2023)
|-
|-
|2 Agriculture & aquaculture
|2 Agriculture & aquaculture
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|6 Human intrusions & disturbance
|6 Human intrusions & disturbance
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−|-
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|9 Pollution
|9 Pollution
|
|
|Unknown
|Unknown
−|
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|Unknown
|Unknown
−|
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|4 Institutional support
|4 Institutional support
|4.1 Lack of law enforcement
|4.1 Lack of law enforcement
−|(Azizi Bin Ahmad Zaini pers. comm. 2023).
+|Azizi Bin Ahmad Zaini pers. comm. 2023
|
|
|}
|}