Catio

West Africa > Guinea-Bissau > Catio

Summary

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• Western chimpanzees (Pan troglodytes verus) are present in Catio.
• The current population size is unknown; in 2003 an estimated 20-30 individuals were recorded at the site.
• The chimpanzee population trend is unknown.
• The area of the site is unknown.
• Key threats to chimpanzees are logging, agricultural activities and fires.
• Conservation activities are not implemented.

Site characteristics

The site is located in southwestern Guinea-Bissau. It consists of the forest surrounding the town of Catio.

Table 1. Basic site information for Catio

Area
Coordinates	11.269725, -15.255653
Designation	Non-protected area
Habitat types	Subtropical/tropical moist lowland forest, arable land, plantations, subtropical/tropical heavily degraded former forest

IUCN habitat categories Site designations

Ape status

In 2003, a group of 20-30 individuals was reported by Quecuta, Q. (pers. comm. 2023).

Table 2. Ape population estimates in Catio

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	2003	20-30			Catio	Count	Quecuta, Q. personal observation

Threats

Table 3. Threats to apes in Catio

Category	Specific threats	Threat level	Quantified severity	Description	Year of threat
1. Residential & commercial development		Unknown
2. Agriculture & aquaculture	2.1 Annual & perennial non-timber crops	High			Ongoing (2023)
3. Energy production & mining		Unknown
4. Transportation & service corridors		Unknown
5. Biological resource use	5.3 Logging & wood harvesting	High			Ongoing (2023)
6. Human intrusion & disturbance		Unknown
7. Natural system modifications	7.1 Fire & fire suppression	High		Fires due to agricultural activities (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

No interventions are reported at the site.

Table 4. Conservation activities in Catio

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	Not reported
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 Catio

Challenge	Source
Not reported

Research activities

Documented behaviours

Table 6. Ape behaviors reported for Catio

Behavior	Source
Not reported

References

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