Tchetche Corridor

West Africa > Guinea-Bissau > Tchetche Corridor

Cite as: Quecuta, Q. (2023) Tchetche Corridor. A.P.E.S. Wiki. Retrieved Month Day, Year, from https://wiki.iucnapesportal.org/index.php/Tchetche_Corridor

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Summary

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• Western chimpanzees (Pan troglodytes verus) are present in the Tchetche Corridor.
• The population size is unknown.
• The population trend is unknown.
• The site has a total size of 500 km².
• Key threats to chimpanzees are habitat destruction due to agricultural expansion, logging and fires.
• Chimbo Foundation conducts conservation activities in the area (see Boé Sector).
• The site is a wildlife corridor connecting Dulombi National Park and Boe National Park.

Site characteristics

The site is a wildlife corridor that joins Dulombi and Boe National Parks.

Table 1. Basic site information for Tchetche Corridor

Species	'Pan troglodytes verus
Area	500 km²
Coordinates	Lat: 11.826573 , Lon: -14.117870
Type of site	Non-protected area (Wildlife Corridor)
Habitat types	Subtropical/tropical moist lowland forest
Type of governance

IUCN habitat categories Site designations

Ape status

The population size is unknown.

Table 2. Ape population estimates reported for Tchetche Corridor

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	2023	Present				Tchetche Corridor	Other		Quecuta pers. comm. 2023

Threats

Table 3. Threats to apes reported for Tchetche Corridor

Category	Specific threats	Threat level	Description	Year of threat
10 Geological events		Absent
12 Other threat		Absent
5 Biological resource use	5.3 Logging & wood harvesting	High (more than 70% of population affected)	Illegal logging (Quecuta pers. comm. 2023).	2017-Ongoing (2023)
7 Natural system modifications	7.1 Fire & fire suppression	High (more than 70% of population affected)	Fires linked to agricultural activities, apiculture and for pasture establishment (Quecuta pers. comm. 2023).	2017-Ongoing (2023)
1 Residential & commercial development	1.1 Residential areas	Medium (30-70% of population affected)	Construction of houses (Quecuta pers. comm. 2023).	2017-Ongoing (2023)
2 Agriculture & aquaculture	2.1 Annual & perennial non-timber crops	Medium (30-70% of population affected)	Cashew and rice plantations (Quecuta pers. comm. 2023).	2017-Ongoing (2023)
3 Energy production & mining		Unknown
4 Transportation & service corridors		Unknown
6 Human intrusions & disturbance		Unknown
8 Invasive & other problematic species, genes & diseases		Unknown
9 Pollution		Unknown
11 Climate change & severe weather		Unknown

IUCN Threats list

Conservation activities

The Tchetche corridor serves as a connector between protected areas, encourages the flow of individuals and genetic exchange, and mitigates the effects caused by habitat fragmentation. Chimbo Foundation are active in the area.

Table 4. Conservation activities reported for Tchetche Corridor

Category	Specific activity	Description	Implementing organization(s)	Year of activity
5 Protection & restoration	5.2 Legally protect ape habitat	The site has been legally protected as a wildlife corridor since 2017.		2017-Ongoing (2023)

Conservation activities list (Junker et al. 2017)

Challenges

Table 5. Challenges reported for Tchetche Corridor

Challenges	Specific challenges	Source	Year(s)
	Not reported

Enablers

Table 6. Enablers reported for Tchetche Corridor

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

Documented behaviours

Table 7. Behaviours documented for Tchetche Corridor

Behavior	Source
Not reported

References

Page created by: Queba Quecuta Date: NA