Gadha Woundou Classified Forest

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Summary

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• Western chimpanzees (Pan troglodytes verus) are present in Gadha Woundou Classified Forest.
• Estimates for the chimpanzee population range between 50 and 500 individuals.
• The chimpanzee population trend is unknown.
• The total size of the area has not been reported.
• Agriculture and roads are the most prevalent signs of human activity in Gadha Woundou.
• Local residents have established forest monitoring committees.

Site characteristics

Gadha Woundou is a sub-prefecture located in Northern Guinea in the prefecture Koubia in the Fouta Djallon.

Table 1. Basic site information for Gadha Woundou Classified Forest

Species	'Pan troglodytes verus
Area
Coordinates	Lat: 11.97 , Lon: -11.64
Type of site	Unknown
Habitat types	Savanna, Shrubland, Subtropical/tropical dry forest, Agricultural land
Type of governance

IUCN habitat categories Site designations

Ape status

In 1997, Rebecca Kormos conducted reconnaissance surveys in Gadha Woundou and confirmed the presence of western chimpanzees (Ham 1998). I.S. Camara surveyed Woundou North Classified Forest and estimated the chimpanzee population at more than 500 individuals (Camara 2007, report not in the public domain, details cited here were taken from WCF 2012). In 2011, the Wild Chimpanzee Foundation also surveyed Woundou North in collaboration with the Office for Biodiversity and Protected Areas Guinea (OGuiBDPA) (WCF 2012). They estimated that around 50 chimpanzees occur in the area, but noted that this was an underestimate because they encountered a group of 50 individuals while other survey teams noticed two additional chimpanzee groups (WCF 2012). In savanna mosaics chimpanzee nests are mainly found in gallery forests and a systematic survey design can lead to underestimations in such fragmented habitat (WCF 2012).

Table 2. Ape population estimates reported for Gadha Woundou Classified Forest

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	1997	Present				Gadha Woundou	Reconnaissance walk		Ham 1998	Reconnaissance survey
Pan troglodytes verus	2007		55.74		500	Woundou North (appr. 280km²)	Line transects		Camara 2007 (as found in WCF 2012)	Total survey effort: 30.5km. Abundance estimate is a minimum.
Pan troglodytes verus	2011			0.167 (0.091-0.306)	47 (25-95)	Woundou North (appr. 280km²)	Line transects		WCF 2012	Total survey effort: 83.5 km, * report stated that total abundance was likely strongly underestimated

Threats

Around 5.600 people are living in proximity to Gadha Woundou (Camara 2007). Human density in Woundou North Classified Forest is low with seven villages around the site (WCF 2012). Roads to these villages are, however, not passable year round. A survey of anthropogenic signs found paths to be most prevalent, followed by slash and burn agriculture, traditional hunting and wood extraction (WCF 2012). Chimpanzees are not hunted and there were no signs of commercial hunting (WCF 2012).

Table 3. Threats to apes reported for Gadha Woundou Classified Forest

Category	Specific threats	Threat level	Description	Year of threat
6 Human intrusions & disturbance		Absent
7 Natural system modifications		Absent
9 Pollution		Absent
10 Geological events		Absent
12 Other threat		Absent
1 Residential & commercial development	1.1 Residential areas	Low (up to 30% of population affected)	Sign of villages (WCF 2012)	Ongoing (2012)
3 Energy production & mining	3.2 Mining & quarrying	Low (up to 30% of population affected)	No further details mentioned in WCF 2012	Unknown
5 Biological resource use	5.1 Hunting & collecting terrestrial animals	Low (up to 30% of population affected)	Signs of traditional hunting were found but there were no signs of commercial hunting (WCF 2012)	Ongoing (2012)
5 Biological resource use	5.3 Logging & wood harvesting	Low (up to 30% of population affected)	Signs of wood extraction for local use were recorded (WCF 2012)	Ongoing (2012)
2 Agriculture & aquaculture	2.1 Annual & perennial non-timber crops	Medium (30-70% of population affected)	Signs of agriculture were found in 12% of Woundou North (WCF 2012)	Ongoing (2012)
4 Transportation & service corridors	4.1 Roads & railroads	Medium (30-70% of population affected)	Paths were the most prevalent sign of anthropogenic activities (WCF 2012)	Ongoing (2012)
8 Invasive & other problematic species, genes & diseases		Unknown
11 Climate change & severe weather		Unknown

IUCN Threats list

Conservation activities

According to local authorities monitoring committees have been established by local residents and are responsible for forest monitoring to deter poachers (WCF 2012).

Table 4. Conservation activities reported for Gadha Woundou Classified Forest

Category	Specific activity	Description	Implementing organization(s)	Year of activity
2 Counter-wildlife crime	2.12 Implement community control of patrolling, banning hunting and removing snares	Local residents established monitoring committees that are responsible for forest monitoring to deter poachers (WCF 2012)		Ongoing (2012)

Conservation activities list (Junker et al. 2017)

Challenges

Table 5. Challenges reported for Gadha Woundou Classified Forest

Challenges	Specific challenges	Source	Year(s)
	Not reported

Enablers

Table 6. Enablers reported for Gadha Woundou Classified Forest

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

From 1996 to 1997 Rebecca Kormos (née Ham) did a nationwide surveys on chimpanzees across Guinea and also surveyed Gadha Woundou (Ham 1998). Woundou North was surveyed by I.S. Camara (Camara 2007) and the Wild Chimpanzee Foundation (WCF 2012).

Documented behaviours

Table 7. Behaviours documented for Gadha Woundou Classified Forest

Behavior	Source
Not reported

References

Camara (2007) Inventaire des chimpanzes pan troglodytes verus dans la foret classée de la Woundou –nord, Prefecture de Koubia. Mémoire de fin d’études Supérieures, 41ème promotion, Institut Supérieur agronomique et vétérinaire Valéry Giscard d’Estaing de Faranah.

Ham R. 1998. Nationwide chimpanzee census and large mammal survey Republic of Guinea. Unpublished report for the European Communion, Guinea-Conakry.

UNEP-WCMC, IUCN. 2018. Protected Planet: The World Database on Protected Areas (WDPA), Cambridge, UK: UNEP-WCMC and IUCN Online: www.protectedplanet.net

WCF. 2012. Etat de la faune et des menaces dans les aires protégées terrestres et principales zones de forte biodiversité de Rep. de Guinée. Report. Wild Chimpanzee Foundation, Sangaredi, Republic of Guinea. Online: Wild Chimpanzee Foundation

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