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/Tofala_Hill_Wildlife_Sanctuary

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

Area	500 km²
Coordinates	11.826573, -14.117870
Designation	Wildlife corridor
Habitat types	Subtropical/tropical moist lowland forest

IUCN habitat categories Site designations

Ape status

The population size is unknown.

Table 2. Ape population estimates in Tchetche Corridor

Species	Year	Abundance estimate (95% CI)	Density estimate [ind./ km²] (95% CI)	Encounter rate (nests/km)	Area	Method	Source	Comments	A.P.E.S. database ID
Pan troglodytes verus					Tchetche Corridor

Threats

Table 3. Threats to apes in Tchetche Corridor

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

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 in Tchetche Corridor

Category	Specific activity	Description	Year of activity
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 intrusion & 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	11.2. Legally protect primate habitat	The site is legally protected as a wildlife corridor.	Ongoing (2023)
12. Species Management	Not reported
13. Livelihood; Economic & Other Incentives	Not reported

Conservation activities list (Junker et al. 2017)

Challenges

Table 5. Challenges reported for Tchetche Corridor

Challenge	Source
Not reported

Research activities

Documented behaviours

Table 6. Ape behaviors reported for Tchetche Corridor

Behavior	Source
Not reported

References

Page completed by: Queba Quecuta Date: 07/07/2023