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Gbi Proposed Protected Area (view source)
Revision as of 03:31, 16 January 2020
, 03:31, 16 January 2020Created page with "<!-- INSTRUCTIONS FOR COMPLETING Site INFORMATION - Wiki site pages contain information in paragraphs of text, tables, keyword lists, and images - Text paragraphs and images a..."
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3) Keywords must be taken from the list of permitted words, or added to the list of permitted keywords. A link to the keyword list page is found adjacent
to the relevant table or keyword list. This ensures that the same keyword always refers to the same concept, e.g. Everybody uses "Industrial mining",
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<!-- Please add information for this site -->
[[West Africa]] > [[Liberia]] > [[Gbi Proposed Protected Area]]
= Summary = <!-- An overview of the site, with a one sentence overview of each of the following sections. can include a site map -->
* Western chimpanzees ([https://www.iucnredlist.org/species/15935/17989872 ''Pan troglodytes verus'']) are present in Gbi Proposed Protected Area.
* The population size is unknown.
* The chimpanzee population trend is unknown.
* This site has a total size of 884 km².
* Key threats to chimpanzees are hunting and commercial logging.
* The following conservation activities were conducted by the Wild Chimpanzee Foundation: camera trap survey and a socio-economic survey.
* The area falls into one of the conservation priority areas identified for Liberia by Junker et al. (2015). It was ranked highest of all patches in terms of chimpanzee density, and mammal and tree diversity. It is part of the largest continuous forest patch in Liberia and connects all the way up to Cestos-Senkwehn Proposed Protected Area on the Liberian coast. Gbi Proposed Protected Area is also located inside a Key Biodiversity Area.
= Site characteristics = <!-- A paragraph summary of physical and geographic aspects of the site, and a table of key information -->
Gbi Proposed Protected Area is located in a lowly populated and densely forested area of Grand Gedeh county, about 15 kilometers west of the county capital city Zwedru. Gbi Proposed Protected Area is an area of largely undeveloped closed dense forest and is unique in that it remains the largest area most distant from settlements in all of Liberia. This is one of the best sites for the endangered red colobus ''Piliocolobus badius'', the endangered pygmy hippopotamus ''Choeropsis liberiensis'' and the vulnerable zebra duiker ''Cephalophus zebra''. The national chimpanzee survey (Tweh et al. 2014) and subsequent data analysis indicates that this area supports a large population of the critically endangered western chimpanzees and has large mammal species diversity (Johnson 2015, Junker et al. 2015). Additional community forest applications overlapping with Krahn-Bassa Proposed Protected Area (KBPPA), which includes the entire continuous forest block and which Gbi Proposed Protected Area forms part of, poses a serious threat to this site. The decision about the community forest applications and whether they will be considered despite their overlap with the proposed protected area shall be taken after the final presentation of results from the feasibility study. While in the meantime additional funding was acquired by the Wild Chimpanzee Foundation for the pre-gazettement of KBPPA, respective activities can only fully start once the extent and status of the future protected area have been confirmed by the Forestry Development Authority.
'''Table 1: Basic site information for Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="basic-information"
|Area <!-- Please include units: km2/ha e.g 200ha -->
|884 km²
|-
|Coordinates
|6.33 N, -8.75 W
|-
|Designation <!-- National Park, Nature Reserve, etc. -->
|Proposed Protected Area
|-
|Habitat types <!-- List IUCN Habitat Classification 3.0 categories present (Without number), see link below -->
|Subtropical/Tropical Moist Lowland Forest
|}
[http://www.unitar.org/hiroshima/sites/unitar.org.hiroshima/files/Annex%201%20-%20IUCN%20Classification%20Schemes.pdf IUCN habitat categories] [[Site designations]]
<br>
= Ape status = <!-- a text overview of ape status (population sizes, trends etc), followed by a table of specific surveys and results -->
The nationwide chimpanzee abundance model predicted chimpanzees to be present at this site (Tweh et al. 2014). More specifically, teams found signs of chimpanzee presence, including nests, feeding remains, and nut-cracking sites in the north-eastern area of Gbi while walking a reconnaissance path (“recce”) - only about 16 kilometers away from the city Zwedru. Further analysis of the nationwide dataset revealed that Gbi Proposed Protected Area was located in an area ranked highest in terms of chimpanzee density, and mammal and tree diversity (Junker et al. 2015). A feasibility study for Gbi Proposed Protected Area was conducted by the Wild Chimpanzee Foundation and completed in 2019 (Riedel pers. comm. 2019). This study had two components: a camera trap survey focusing on key conservation species and a socio-economic survey implemented by WCF’s consortium partner Fawlkes Consulting. The socio-economic survey was conducted in February-March 2019 and the camera trap survey in April 2019. During the camera trap survey threatened key species, such as forest elephants ''Loxodonta africana'' and pygmy hippopotamus ''Choeropsis liberiensis'' were recorded. However, the final results of the camera trap study have not yet been analyzed and are not available.
'''Table 2: Great ape population estimates in Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="population-estimate-table"
! Species
! Year
! Abundance estimate (95% confidence interval)
! Density estimate (per km²)
! Encounter rate (nests/km)
! Area
! Method
! Source
! Comments
! A.P.E.S. database ID
|-
|''Pan troglodytes verus''
|2010-2012
|
|
|Present
|Gbi Proposed Protected Area
|Index survey
|Junker unpubl. data
|‘Reconnaissance walk’, 3 nests were found (old and recent), chimpanzees were heard vocalizing and nut cracking tools and feeding remains were found
|
|}
= Threats = <!-- a text overview of threats, followed by a table of key threats -->
Additional community forest applications overlapping with Krahn-Bassa Proposed Protected Area (KBPPA), which includes the entire continuous forest block and which Gbi Proposed Protected Area forms part of, poses a serious threat to this site. The Gbi Proposed Protected Area is surrounded by Ratified and Proposed Logging Concessions (Junker et al. 2015), as well as by Mineral Exploration Licenses (MEL) held by Middle Island Resources Liberia Ltd. for gold, diamonds, and other commodities except for iron ore (Johnson 2015). MEL’s entail that after a proposed exploration program has been handed to the Minister of Land, Mines, and Energy, the company commences exploration (Wilson et al. 2017). Few empty gun shells or traps were recorded on line transects and recces near Gbi Proposed Protected Area (Junker unpubl. data); however, hunting with guns is a widespread threat to large mammals across most of Liberia’s forests (Junker et al. 2015).
'''Table 3: Threats to great apes in Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="threats-table"
!align="left"|Category <!-- Do not change threat categories -->
!Specific threats <!-- For specific threats, please use list of comma separated keywords from the list linked below -->
!Threat level <!-- For threat level, please use keywords: unknown, low, high -->
!Quantified severity <!-- e.g., encounter rate, number of miners etc. (with reference)-->
!Description <!-- You can add descriptive information here -->
!Year of threat <!-- if ongoing or unknown add year of reference in brackets-->
|-
|1. Residential & commercial development
|
|Unknown
|
|
|
|-
|2. Agriculture & aquaculture
|
|Unknown
|
|
|
|-
|3. Energy production & mining
|3.2 Mining & Quarrying
|Medium
|
|Mining for gold and diamonds (Johnson 2015)
|Ongoing (2015)
|-
|4. Transportation & service corridors
|
|Unknown
|
|
|
|-
|5. Biological resource use
|5.1 Hunting & collecting terrestrial animals
|Medium
|Hunting sign encounter rate: 0.002 and 0.003 signs/km surveyed for 2 line transects on the northern fringes of Gbi
|Tweh et al. 2014, Junker unpubl. data
|Ongoing (2014)
|-
|
|5.3. Logging & Wood Harvesting
|High
|
|The site is surrounded by/ and overlaps with ratified and proposed logging concessions (Tweh et al. 2015, Riedel pers. comm. 2019)
|Ongoing (2019)
|-
|6. Human intrusions & 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
|
|
|
|-
|}
[https://www.iucnredlist.org/resources/threat-classification-scheme IUCN Threats list]
= Conservation activities = <!-- a text overview of conservation activities, followed by a table of key activities -->
A camera trap- and a socio-economic survey were conducted by the Wild Chimpanzee Foundation in 2019 (Riedel pers. comm. 2019).
'''Table 4: Conservation activities in Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="conservation-actions-table"
!align="left"|Category <!-- Do not change threat categories -->
!Specific activity <!-- For specific threats, please use list of comma separated keywords from the list linked below -->
!Description <!-- You can add descriptive information here -->
!Year of activity <!-- if ongoing or unknown add year of reference in brackets -->
|-
|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 intrusions & 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
|13.3. Run research project and ensure permanent human presence at site
|A camera trap- and a socio-economic survey were conducted by the Wild Chimpanzee Foundation (Riedel pers. comm. 2019).
|2019
|-
|}
[[Conservation activities list (Junker et al. 2017)]]
= Impediments = <!-- Overview of impediments to ape conservation -->
No information on impediments has been documented.
'''Table 5: Impediments reported for Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="impediments-table"
!align="left"|Impediment <!-- Do not change categories -->
!Source <!-- source for impediment mentioned -->
|-
|Not reported
|
|}
= Research activities = <!-- Overview of research activities -->
In 2019, a camera trap- and a socio-economic survey were conducted by the Wild Chimpanzee Foundation (Riedel pers. comm. 2019).
===Documented behaviours=== <!-- List of any behaviours observed at the site, including citations -->
Junker and her teams (unpubl. data) found nut-cracking sites with stone- and wood hammers and –anvils, as well as a termite mound that was broken/opened by chimpanzees on the northern fringes of Gbi Proposed Protected Area.
'''Table 6: Great ape behaviors reported for Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="behaviors-table"
!align="left"|Behavior <!-- Do not change categories -->
!Source <!-- source for behavior -->
|-
|Termite eating
|Junker unpubl. data
|-
|Nut cracking
|Junker unpubl. data
|}
===Relevant datasets===
[http://apesportal.eva.mpg.de/database/archiveMap A.P.E.S Portal]
<br>
= References =
Johnson S. 2015. Aggregated Biodiversity Offsets: A Roadmap for Liberia’s Mining Sector. Unpublished report by the World Bank Group (WBG) and Program On Forests (PROFOR).<br>
Junker J, Boesch C, Freeman T, Mundry R, Stephens C, Kühl HS. 2015. Integrating wildlife conservation with conflicting economic land-use goals in a West African biodiversity hotspot. Basic and Applied Ecology: doi:10.1016/j.baae.2015.07.002.<br>
Tweh C, Lormie M, Kouakou CY, Hillers A, Kühl HS, Junker J, et al. 2014. Conservation status of chimpanzees Pan troglodytes verus and other large mammals in Liberia: a nationwide survey. Oryx: http://dx.doi.org/10.1017/S0030605313001191.<br>
Wilson STK, Wang H, Kabenge M, Qi X. 2017. The mining sector of Liberia: current practices and environmental challenges. Environmental Science and Pollution Research 24: 18711–18720.<br>
<br>
'''Page completed by:''' A.P.E.S. Wiki Team '''Date:''' 11/10/2019 <!-- If you don't want to add your name, you can add "A.P.E.S. Wiki team" -->
<br><br>
- Wiki site pages contain information in paragraphs of text, tables, keyword lists, and images
- Text paragraphs and images are not restricted, so text format and images can be chosen as desired.
- Tables and keyword lists are extracted as data, and so have the following restrictions:
1) Table structure cannot be changed
2) Keyword format should not change, i.e. they are comma separated lists, not bullet points or numbered lists.
3) Keywords must be taken from the list of permitted words, or added to the list of permitted keywords. A link to the keyword list page is found adjacent
to the relevant table or keyword list. This ensures that the same keyword always refers to the same concept, e.g. Everybody uses "Industrial mining",
rather than several keywords such as "Industrial mining", "Large-scale mining", and "Mining".
-->
<!-- Please add information for this site -->
[[West Africa]] > [[Liberia]] > [[Gbi Proposed Protected Area]]
= Summary = <!-- An overview of the site, with a one sentence overview of each of the following sections. can include a site map -->
* Western chimpanzees ([https://www.iucnredlist.org/species/15935/17989872 ''Pan troglodytes verus'']) are present in Gbi Proposed Protected Area.
* The population size is unknown.
* The chimpanzee population trend is unknown.
* This site has a total size of 884 km².
* Key threats to chimpanzees are hunting and commercial logging.
* The following conservation activities were conducted by the Wild Chimpanzee Foundation: camera trap survey and a socio-economic survey.
* The area falls into one of the conservation priority areas identified for Liberia by Junker et al. (2015). It was ranked highest of all patches in terms of chimpanzee density, and mammal and tree diversity. It is part of the largest continuous forest patch in Liberia and connects all the way up to Cestos-Senkwehn Proposed Protected Area on the Liberian coast. Gbi Proposed Protected Area is also located inside a Key Biodiversity Area.
= Site characteristics = <!-- A paragraph summary of physical and geographic aspects of the site, and a table of key information -->
Gbi Proposed Protected Area is located in a lowly populated and densely forested area of Grand Gedeh county, about 15 kilometers west of the county capital city Zwedru. Gbi Proposed Protected Area is an area of largely undeveloped closed dense forest and is unique in that it remains the largest area most distant from settlements in all of Liberia. This is one of the best sites for the endangered red colobus ''Piliocolobus badius'', the endangered pygmy hippopotamus ''Choeropsis liberiensis'' and the vulnerable zebra duiker ''Cephalophus zebra''. The national chimpanzee survey (Tweh et al. 2014) and subsequent data analysis indicates that this area supports a large population of the critically endangered western chimpanzees and has large mammal species diversity (Johnson 2015, Junker et al. 2015). Additional community forest applications overlapping with Krahn-Bassa Proposed Protected Area (KBPPA), which includes the entire continuous forest block and which Gbi Proposed Protected Area forms part of, poses a serious threat to this site. The decision about the community forest applications and whether they will be considered despite their overlap with the proposed protected area shall be taken after the final presentation of results from the feasibility study. While in the meantime additional funding was acquired by the Wild Chimpanzee Foundation for the pre-gazettement of KBPPA, respective activities can only fully start once the extent and status of the future protected area have been confirmed by the Forestry Development Authority.
'''Table 1: Basic site information for Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="basic-information"
|Area <!-- Please include units: km2/ha e.g 200ha -->
|884 km²
|-
|Coordinates
|6.33 N, -8.75 W
|-
|Designation <!-- National Park, Nature Reserve, etc. -->
|Proposed Protected Area
|-
|Habitat types <!-- List IUCN Habitat Classification 3.0 categories present (Without number), see link below -->
|Subtropical/Tropical Moist Lowland Forest
|}
[http://www.unitar.org/hiroshima/sites/unitar.org.hiroshima/files/Annex%201%20-%20IUCN%20Classification%20Schemes.pdf IUCN habitat categories] [[Site designations]]
<br>
= Ape status = <!-- a text overview of ape status (population sizes, trends etc), followed by a table of specific surveys and results -->
The nationwide chimpanzee abundance model predicted chimpanzees to be present at this site (Tweh et al. 2014). More specifically, teams found signs of chimpanzee presence, including nests, feeding remains, and nut-cracking sites in the north-eastern area of Gbi while walking a reconnaissance path (“recce”) - only about 16 kilometers away from the city Zwedru. Further analysis of the nationwide dataset revealed that Gbi Proposed Protected Area was located in an area ranked highest in terms of chimpanzee density, and mammal and tree diversity (Junker et al. 2015). A feasibility study for Gbi Proposed Protected Area was conducted by the Wild Chimpanzee Foundation and completed in 2019 (Riedel pers. comm. 2019). This study had two components: a camera trap survey focusing on key conservation species and a socio-economic survey implemented by WCF’s consortium partner Fawlkes Consulting. The socio-economic survey was conducted in February-March 2019 and the camera trap survey in April 2019. During the camera trap survey threatened key species, such as forest elephants ''Loxodonta africana'' and pygmy hippopotamus ''Choeropsis liberiensis'' were recorded. However, the final results of the camera trap study have not yet been analyzed and are not available.
'''Table 2: Great ape population estimates in Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="population-estimate-table"
! Species
! Year
! Abundance estimate (95% confidence interval)
! Density estimate (per km²)
! Encounter rate (nests/km)
! Area
! Method
! Source
! Comments
! A.P.E.S. database ID
|-
|''Pan troglodytes verus''
|2010-2012
|
|
|Present
|Gbi Proposed Protected Area
|Index survey
|Junker unpubl. data
|‘Reconnaissance walk’, 3 nests were found (old and recent), chimpanzees were heard vocalizing and nut cracking tools and feeding remains were found
|
|}
= Threats = <!-- a text overview of threats, followed by a table of key threats -->
Additional community forest applications overlapping with Krahn-Bassa Proposed Protected Area (KBPPA), which includes the entire continuous forest block and which Gbi Proposed Protected Area forms part of, poses a serious threat to this site. The Gbi Proposed Protected Area is surrounded by Ratified and Proposed Logging Concessions (Junker et al. 2015), as well as by Mineral Exploration Licenses (MEL) held by Middle Island Resources Liberia Ltd. for gold, diamonds, and other commodities except for iron ore (Johnson 2015). MEL’s entail that after a proposed exploration program has been handed to the Minister of Land, Mines, and Energy, the company commences exploration (Wilson et al. 2017). Few empty gun shells or traps were recorded on line transects and recces near Gbi Proposed Protected Area (Junker unpubl. data); however, hunting with guns is a widespread threat to large mammals across most of Liberia’s forests (Junker et al. 2015).
'''Table 3: Threats to great apes in Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="threats-table"
!align="left"|Category <!-- Do not change threat categories -->
!Specific threats <!-- For specific threats, please use list of comma separated keywords from the list linked below -->
!Threat level <!-- For threat level, please use keywords: unknown, low, high -->
!Quantified severity <!-- e.g., encounter rate, number of miners etc. (with reference)-->
!Description <!-- You can add descriptive information here -->
!Year of threat <!-- if ongoing or unknown add year of reference in brackets-->
|-
|1. Residential & commercial development
|
|Unknown
|
|
|
|-
|2. Agriculture & aquaculture
|
|Unknown
|
|
|
|-
|3. Energy production & mining
|3.2 Mining & Quarrying
|Medium
|
|Mining for gold and diamonds (Johnson 2015)
|Ongoing (2015)
|-
|4. Transportation & service corridors
|
|Unknown
|
|
|
|-
|5. Biological resource use
|5.1 Hunting & collecting terrestrial animals
|Medium
|Hunting sign encounter rate: 0.002 and 0.003 signs/km surveyed for 2 line transects on the northern fringes of Gbi
|Tweh et al. 2014, Junker unpubl. data
|Ongoing (2014)
|-
|
|5.3. Logging & Wood Harvesting
|High
|
|The site is surrounded by/ and overlaps with ratified and proposed logging concessions (Tweh et al. 2015, Riedel pers. comm. 2019)
|Ongoing (2019)
|-
|6. Human intrusions & 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
|
|
|
|-
|}
[https://www.iucnredlist.org/resources/threat-classification-scheme IUCN Threats list]
= Conservation activities = <!-- a text overview of conservation activities, followed by a table of key activities -->
A camera trap- and a socio-economic survey were conducted by the Wild Chimpanzee Foundation in 2019 (Riedel pers. comm. 2019).
'''Table 4: Conservation activities in Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="conservation-actions-table"
!align="left"|Category <!-- Do not change threat categories -->
!Specific activity <!-- For specific threats, please use list of comma separated keywords from the list linked below -->
!Description <!-- You can add descriptive information here -->
!Year of activity <!-- if ongoing or unknown add year of reference in brackets -->
|-
|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 intrusions & 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
|13.3. Run research project and ensure permanent human presence at site
|A camera trap- and a socio-economic survey were conducted by the Wild Chimpanzee Foundation (Riedel pers. comm. 2019).
|2019
|-
|}
[[Conservation activities list (Junker et al. 2017)]]
= Impediments = <!-- Overview of impediments to ape conservation -->
No information on impediments has been documented.
'''Table 5: Impediments reported for Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="impediments-table"
!align="left"|Impediment <!-- Do not change categories -->
!Source <!-- source for impediment mentioned -->
|-
|Not reported
|
|}
= Research activities = <!-- Overview of research activities -->
In 2019, a camera trap- and a socio-economic survey were conducted by the Wild Chimpanzee Foundation (Riedel pers. comm. 2019).
===Documented behaviours=== <!-- List of any behaviours observed at the site, including citations -->
Junker and her teams (unpubl. data) found nut-cracking sites with stone- and wood hammers and –anvils, as well as a termite mound that was broken/opened by chimpanzees on the northern fringes of Gbi Proposed Protected Area.
'''Table 6: Great ape behaviors reported for Gbi Proposed Protected Area'''
{| border="1" cellpadding="5" cellspacing="0" class="behaviors-table"
!align="left"|Behavior <!-- Do not change categories -->
!Source <!-- source for behavior -->
|-
|Termite eating
|Junker unpubl. data
|-
|Nut cracking
|Junker unpubl. data
|}
===Relevant datasets===
[http://apesportal.eva.mpg.de/database/archiveMap A.P.E.S Portal]
<br>
= References =
Johnson S. 2015. Aggregated Biodiversity Offsets: A Roadmap for Liberia’s Mining Sector. Unpublished report by the World Bank Group (WBG) and Program On Forests (PROFOR).<br>
Junker J, Boesch C, Freeman T, Mundry R, Stephens C, Kühl HS. 2015. Integrating wildlife conservation with conflicting economic land-use goals in a West African biodiversity hotspot. Basic and Applied Ecology: doi:10.1016/j.baae.2015.07.002.<br>
Tweh C, Lormie M, Kouakou CY, Hillers A, Kühl HS, Junker J, et al. 2014. Conservation status of chimpanzees Pan troglodytes verus and other large mammals in Liberia: a nationwide survey. Oryx: http://dx.doi.org/10.1017/S0030605313001191.<br>
Wilson STK, Wang H, Kabenge M, Qi X. 2017. The mining sector of Liberia: current practices and environmental challenges. Environmental Science and Pollution Research 24: 18711–18720.<br>
<br>
'''Page completed by:''' A.P.E.S. Wiki Team '''Date:''' 11/10/2019 <!-- If you don't want to add your name, you can add "A.P.E.S. Wiki team" -->
<br><br>