Sangaredi

West Africa > Republic of Guinea > Sangaredi

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Summary

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• Western chimpanzees (Pan troglodytes verus) are present in Sangaredi.
• It has been estimated that more than 200 individuals occurred in two neighboring bauxite mining concessions prior to mining exploitations.
• The chimpanzee population trend is very likely declining due to mining activities.
• This site has a total size of 1542 km².
• Key threats to chimpanzees are mining and logging.
• The following conservation activities were implemented by the Wild Chimpanzee Foundation (WCF): environmental education (Club P.A.N. and theater plays) and forest regeneration.
• Sangaredi is a mining town and mining operations have been ongoing for several decades.

Site characteristics

Sangaredi is a mining town in the prefecture Boké in Guinea. Mining exploitation for bauxite began in 1973 and a railway connects the mining site to the port of Kamsar for the ore to be shipped overseas. Mining concessions around Sangaredi are owned by different mining companies, including the Bauxite Company of Guinea (CBG, owned by the Government of Guinea), Guinea Alumina Corporation (GAC) and Halco, with the latter two being consortia owned by transnational mining companies with changing ownership over the years.

Table 1. Basic site information for Sangaredi

Species	'Pan troglodytes verus
Area	1,542 km²
Coordinates	Lat: 11.10 , Lon: -13.79
Type of site	Non-protected area
Habitat types	Subtropical/tropical heavily degraded former forest, Agricultural land, Savanna, Subtropical/tropical moist lowland forest, Wetlands (lakes, rivers, streams, bogs, marshes)
Type of governance

IUCN habitat categories Site designations

Ape status

Sugiyama and Soumah (1988) and Ham (1998) confirmed the presence of western chimpanzees throughout Boké prefecture. As part of a rapid biological assessment in 2005 in Boulléré just to the west of Sangaredi the presence of western chimpanzees was established by Eriksson and Kpoghomou (2006). The Wild Chimpanzee Foundation corporates with Guinea Alumina Corporation (GAC) since 2008 to assess the impact of mining on chimpanzees in their mining concession, and suggested mitigation measures (offset) as part of a comprehensive management plan (WCF 2011, WCF 2015). In 2015 WCF started working with the Bauxite Company of Guinea (CBG) on a concession neighboring the GAC concession (CBG Halco concession). As part of these collaborations, the WCF monitored the local chimpanzee population across several years and estimated a total chimpanzee abundance of more than 200 individuals around Sangaredi. A population trend assessment showed stable population from 2008 until 2014 in the GAC concession (Kühl et al. 2017). Nevertheless, with starting mining exploitation in these concessions and the ensuing habitat destruction and increase in anthropogenic pressures, the chimpanzee population is now very likely declining (WCF 2015).

Table 2. Ape population estimates reported for Sangaredi

Species	Year	Occurrence	Encounter or vistation rate (nests/km; ind/day)	Density estimate [ind./ km²] (95% CI)	Abundance estimate (95% CI)	Survey area	Sampling method	Analytical framework	Source	Comments	A.P.E.S. database ID
Pan troglodytes verus	1988	Present				Boké prefecture	Interviews		Sugiyama & Soumah 1988	Questionnaire survey
Pan troglodytes verus	1997	Present				Boké prefecture	Interviews		Ham 1998	Questionnaire survey
Pan troglodytes verus	2005	Present				Boulléré	Reconnaissance walk		Eriksson & Kpoghomou 2006	Total survey effort: 37.8 km; walking existing trail system
Pan troglodytes verus	2009			0.11	119	GAC concession (685 km²)	Line transects		WCF 2012	Total survey effort: 537 km
Pan troglodytes verus	2010			0.18	190	GAC concession	Line transects		WCF 2012	Total survey effort: 347 km
Pan troglodytes verus	2011			0.25	266	GAC concession	Line transects		WCF 2012	Total survey effort: 339 km
Pan troglodytes verus	2012			0.14	142	GAC concession	Line transects		WCF 2012	Total survey effort: 348 km
Pan troglodytes verus	2014			0.25	174	GAC concession	Line transects		WCF 2014	Total survey effort: 254 km
Pan troglodytes verus	2015			0.33	252 (147-423)	GAC concession	Line transects		WCF 2015	Total survey effort: 254 km
Pan troglodytes verus	2015			0.1	62 (33-118)	CBG Halco concession (530 km²)	Line transects		WCF 2015	Total survey effort: 139 km

Threats

As mining operations have been ongoing since 1973 the ecosystem is strongly impacted by anthropogenic pressures, especially logging and charring, agriculture, mining, the construction of roads, the presence of settlements, as well as hunting and fishing, and livestock keeping (WCF 2014, WCF 2015). Mining exploitation was planned to start by 2016 in the GAC concession, but the current status is unclear. However, chimpanzee habitat has already been destroyed in the mining concession (WCF 2015). In connection with the mining project, concerns have been raised in relation to social issues (e.g., work insecurity, loss of livelihoods, displacement, and corruption), environmental damage by pollution (air, soil, and water), crop damage and changes in the hydrology (Environmental Justice Atlas 2019).

Table 3. Threats to apes reported for Sangaredi

Category	Specific threats	Threat level	Description	Year of threat
6 Human intrusions & disturbance		Present (unknown severity)	Fire are set for clearing areas for agricultural use (WCF 2014, Wright et al. 2006).	Ongoing (2014)
10 Geological events		Absent
12 Other threat		Absent
3 Energy production & mining	3.2 Mining & quarrying	High (more than 70% of population affected)	Mining exploitation since 1973 (Environmental Justice Atlas 2019).	1973-Ongoing (2019)
5 Biological resource use	5.3 Logging & wood harvesting	High (more than 70% of population affected)	Wood-cutting mainly for charcoal (WCF 2015).	Ongoing (2015)
2 Agriculture & aquaculture	2.3 Livestock farming & ranching	Low (up to 30% of population affected)	Detection of livestock on camera traps (WCF 2015).	Ongoing (2015)
1 Residential & commercial development	1.1 Residential areas	Medium (30-70% of population affected)	Mining town of Sangaredi newly established (Environmental Justice Atlas 2019).	Since 1960s
2 Agriculture & aquaculture	2.1 Annual & perennial non-timber crops	Medium (30-70% of population affected)	Slash and burn agriculture and rice fields (WCF 2015, Wright et al. 2006).	Ongoing (2015)
4 Transportation & service corridors	4.1 Roads & railroads	Medium (30-70% of population affected)	Road development for mining activities (Environmental Justice Atlas 2019).	Since 1960s
5 Biological resource use	5.1 Hunting & collecting terrestrial animals	Medium (30-70% of population affected)	Bushmeat study confirmed hunting of primates (WCF 2014).	Ongoing (2014)
7 Natural system modifications	7.1 Fire & fire suppression	Medium (30-70% of population affected)
9 Pollution	9.2 Industrial & military effluents	Medium (30-70% of population affected)	Contamination of air, water and soil (Environmental Justice Atlas 2019).	Since 1960s
8 Invasive & other problematic species, genes & diseases		Unknown
11 Climate change & severe weather		Unknown

IUCN Threats list

Conservation activities

Since 2008, the Wild Chimpanzee Foundation collaborates with the Guinea Alumina Project (GAP) to develop and implement a management plan to first minimize negative impacts on chimpanzees and offset any damage (WCF 2011). In 2011, the WCF proposed a management plan that was informed by the annual monitoring surveys that WCF conducted since 2009 (see above). When the ownership of the mining company changed, the area proposed for exploitation changed to the southwestern part of the concession and a new management plan was proposed by the WCF (WCF 2015). It is not clear which part of the management plan is or was implemented. As part of their engagement, the WCF conducted different environmental education activities: an extracurricular environmental education program at schools (Club P.A.N. program), theater tour, environmental newsletter, and chimpanzee film screenings (WCF 2011, WCF 2012, WCF 2014, WCF 2015). Community consultations revealed that water is key for local agricultural activities, and in collaboration with local communities the WCF started a program to protect three water sources in the area by protecting the habitat around the water sources – but it is not clear whether protection was implemented (WCF 2014, 2015). In 2015, the WCF established a plant nursery with 25,000 plants to be replanted around three water sources (WCF 2015).

Table 4. Conservation activities reported for Sangaredi

Category	Specific activity	Description	Implementing organization(s)	Year of activity
4 Education & awareness	4.1 Educate local communities about apes and sustainable use	Activities at schools (Club P.A.N. program) and villages (theater, film) (WCF 2011, 2012, 2014, 2015)		2010-2015
4 Education & awareness	4.5 Implement multimedia campaigns using theatre, film, print media, discussions	Environmental awareness raising activities include theater, film and newsletters (WCF 2011, 2012, 2014, 2015)		2010-2015
5 Protection & restoration	5.6 Habitat restoration	Plant nursery with 25,000 plants (WCF 2015)		2015

Conservation activities list (Junker et al. 2017)

Challenges

Changing ownership of mining companies and volatility of markets for minerals impedes continuous implementation of management plan to mitigate negative impacts of mining operations on chimpanzees (WCF 2015).

Table 5. Challenges reported for Sangaredi

Challenges	Specific challenges	Source	Year(s)
2 Resources and capacity	2.3 General lack of funding	WCF 2015

Enablers

Table 6. Enablers reported for Sangaredi

Enablers	Specific enablers	Source	Year(s)
1 Site management
2 Resources and capacity
3 Engaged community
4 Institutional support
5 Ecological context
6 Safety and stability

Research activities

As detailed above several surveys on chimpanzees have been implemented in Sangaredi (Eriksson & Kpoghomou 2006, Wright et al. 2006, WCF 2012, WCF 2014, WCF 2015). The Pan African Programme (PanAf) ‘The Cultured Chimpanzee’ established a temporary research site in Sangaredi with the aim to record ecological conditions of chimpanzees living in the area and to document chimpanzee behavior (Kühl et al. 2016, Kühl et al. 2019).

Documented behaviours

Table 7. Behaviours documented for Sangaredi

Behavior	Source
Accumulative stone throwing	Kühl et al. 2016
Algae fishing	Kühl et al. 2019
Ant dipping	Kühl et al. 2019
Ant eating	Kühl et al. 2019
Making ground nests	Kühl et al. 2019

References

Environmental Justice Atlas. 2019. Iron Mine on Simandou Mountain Range, Mine de Fer, Guinée, ejatlas.org

Eriksson J, Kpoghomou E. 2006. A rapid survey of the primates of Boké Préfecture, northwestern Guinea. (ed) A Rapid Biological Assessment of Boké Préfecture, Northwestern Guinea. RAP Bulletin of Biological Assessment 41. Conservation International, Washington, DC.

Ham R. 1998 Nationwide chimpanzee census and large mammal survey Republic of Guinea. Projet de conservation des chimpanzés en Guineée. Report to the European Union.

Kühl HS. 2016. Chimpanzee accumulative stone throwing. Scientific Reports 6:22219

Kühl HS et al. 2017. The Critically Endangered western chimpanzee declines by 80%, American Journal of Primatology, 79(9): e22681.

Kühl HS et al. 2019. Human impact erodes chimpanzee behavioral diversity, Science 363, 1453–1455

Sugiyama Y, Soumah AG 1988. Preliminary Survey of the Distribution and Population of Chimpanzees in the Republic of Guinea. Primates, 29(4):569-574

WCF. 2011. Annual report of the activities undertaken by the Wild Chimpanzee Foundation to improve the protection of wild chimpanzees and their habitat in West Africa – Year 2011. Online: Wild Chimpanzee Foundation

WCF. 2012. Annual report 2012 – activities of the Wild Chimpanzee Foundation for improved conservation of chimpanzees and their habitat in West Africa. Online: Wild Chimpanzee Foundation

WCF. 2014. Annual report 2014 – activities of the Wild Chimpanzee Foundation for improved conservation of chimpanzees and their habitat in West Africa. Online: Wild Chimpanzee Foundation

WCF. 2015. Annual report 2015 – activities of the Wild Chimpanzee Foundation for improved conservation of chimpanzees and their habitat in West Africa. Online: Wild Chimpanzee Foundation

Wright HE et al. 2006. A Rapid Biological Assessment of Boké Préfecture, Northwestern Guinea. RAP Bulletin of Biological Assessment 41. Conservation International, Washington, DC.

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