Djoua-Zadie Forest

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Summary

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Site characteristics

Table 1. Basic site information for Djoua-Zadie Forest

Species	Pan troglodytes troglodytes and Gorilla gorilla gorilla
Area	5444 km²
Coordinates	Lat: 1.1080 , Lon: 13.556
Type of site	Non-protected area
Habitat types	Subtropical/tropical dry forest, Subtropical/tropical moist lowland forest, Subtropical/tropical swamp forest
Type of governance

IUCN habitat categories Site designations

Ape status

Table 2. Ape population estimates reported for Djoua-Zadie Forest

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 troglodytes	2015-2016	2,217 (1,390 – 3,537)	0.407 individual/km²	1.12 nid/km		Line transects & recces	Yeno &Ngoran (2016)	The abundance , as well as the nest encounter rate, of chimpanzees and gorillas was merged
Gorilla gorilla gorilla	2015-2016	2,217 (1,390 – 3,537)	0.407 individual/km²	1.12 nid/km		Line transects & recces	Yeno &Ngoran (2016)	The abundance , as well as the nest encounter rate, of chimpanzees and gorillas was merged

Threats

Table 3. Threats to apes reported for Djoua-Zadie Forest

Category	Specific threats	Threat level	Description	Year of threat
5 Biological resource use	5.1 Hunting & collecting terrestrial animals	Medium (30-70% of population affected)	Yeno&Ngoran(2016) suggests that the Djoua-Zadié Forest should undergo a change in its conservation designation. The authors propose to the Gabonese government to reclassify a portion of the forest as a protected area in order to establish a vital corridor for large mammal populations between the Odzala-Kokoua NP (Congo) and Minkébé National Park (Gabon) as this will significantly contribute to regional biodiversity conservation. Since the Djoua-Zadié Forest is not currently covered by the ANPN's (National Agency for National Parks) anti-poaching patrols, it is crucial for the ANPN and the Ministry of Wildlife to urgently develop a strategy for patrolling this area. Utilizing the rivers as a patrol route could be an effective approach to enhance the protection of this vulnerable zone (Yeno and Ngoran, 2016)	2015-Ongoing
5 Biological resource use	5.3.2 Commercial logging	Medium (30-70% of population affected)	Logging companies operating in the area, which is located within the ecological corridor connecting Odzala-Kokoua and Minkébé National Parks must adopt FSC (Forest Stewardship Council) standards. These guidelines promote sustainable forest management, ensuring resource extraction is carried out responsibly while preserving the integrity of these untouched areas and maintaining ecological connectivity.	2015-Unknown
2 Agriculture & aquaculture	2.1.1 Shifting agriculture	Present (unknown severity)	A variety of human activities occur both within the forest and in its surrounding areas, including hunting, fishing, farming, forestry, and artisanal mining. These practices reflect the diverse ways in which people interact with and utilize the landscape (Yeno & Ngoran, 2016)	2015-Unknown
3 Energy production & mining	3.2.1 Industrial mining	Low (up to 30% of population affected)	The area holds considerable mining potential, with notable iron deposits such as Belinga and Boka Boka. To address the ecological impact of these mining activities, it is proposed that environmental offsets be implemented. These would include the creation of conservation areas equipped with strong anti-poaching measures, ensuring effective biodiversity protection while supporting industrial development.	2015-Unknown
3 Energy production & mining	3.2.3 Artisanal mining	Present (unknown severity)	A variety of human activities occur both within the forest and in its surrounding areas, including hunting, fishing, farming, forestry, and artisanal mining. These practices reflect the diverse ways in which people interact with and utilize the landscape (Yeno & Ngoran, 2016)	2015-Unknown

IUCN Threats list

Conservation activities

Table 4. Conservation activities reported for Djoua-Zadie Forest

Category	Specific activity	Description	Implementing organization(s)	Year of activity

Conservation activities list (Junker et al. 2017)

Challenges

Table 5. Challenges reported for Djoua-Zadie Forest

Challenges	Specific challenges	Source	Year(s)
4 Institutional support	4.3 Lack of protected area status	Yeno & Ngoran (2016)	2015-unknown
4 Institutional support	4.1 Lack of law enforcement	Yeno & Ngoran (2016)	2015-unknown

Enablers

Table 6. Enablers reported for Djoua-Zadie Forest

Enablers	Specific enablers	Source	Year(s)
4 Institutional support	4.3 Strong transboundary cooperation	Yeno & Ngoran (2016)	2015-2024
5 Ecological context	5.1 Ecological characteristics (e.g. terrain) conducive to conservation	Yeno&Ngoran (2016)	2015-2024

Documented behaviours

Table 7. Behaviours documented for Djoua-Zadie Forest

Behavior	Source
Not reported

References

Yeno, S.L. and Ngoran P.K (2016). Rapport d'inventaire de grands et moyens mammifères dans la forêt de Djoua-Zadié, Gabon. WWF report.

Page created by: Tene Sop Date: 2024-11-28 12:23:00