Dja Biosphere (or Faunal) Reserve - Revision history

WikiEdit at 21:52, 15 October 2026

2026-10-15T21:52:47Z

← Older revision		Revision as of 17:52, 15 October 2026
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	<span id="R02183"></span>N’Goran, K. P. (2017). Summary report on WWF biomonitoring activities from 2014 to 2016: Status of forest elephant and great apes in Central Africa priority sites. https://www.wwf.de/fileadmin/fm-wwf/Publikationen-PDF/WWF_CA_Biomonitoring_Report.pdf		<span id="R02183"></span>N’Goran, K. P. (2017). Summary report on WWF biomonitoring activities from 2014 to 2016: Status of forest elephant and great apes in Central Africa priority sites. https://www.wwf.de/fileadmin/fm-wwf/Publikationen-PDF/WWF_CA_Biomonitoring_Report.pdf

	<span id="R02184"></span>Kiribou, R., Tehoda, P., Chukwu, O., Bempah, G., Kühl, H. S., Ferreira, J., …, & Heinicke, S. (2024). Exposure of African ape sites to climate change impacts. ''PLOS Climate'', 3(2), ~~1-19~~. [https://doi.org/10.1371/journal.pclm.0000345 doi:10.1371/journal.pclm.0000345]		<span id="R02184"></span>Kiribou, R., Tehoda, P., Chukwu, O., Bempah, G., Kühl, H. S., Ferreira, J., …, & Heinicke, S. (2024). Exposure of African ape sites to climate change impacts. ''PLOS Climate'', 3(2), e0000345. [https://doi.org/10.1371/journal.pclm.0000345 doi:10.1371/journal.pclm.0000345]

	<span id="R02027"></span>ZSL. https://www.zsl.org/conservation/regions/africa/dja-conservation-complex		<span id="R02027"></span>ZSL. https://www.zsl.org/conservation/regions/africa/dja-conservation-complex

WikiEdit at 14:33, 15 October 2026

2026-10-15T14:33:43Z

← Older revision		Revision as of 10:33, 15 October 2026
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	<span id="R02183"></span>N’Goran, K. P. (2017). Summary report on WWF biomonitoring activities from 2014 to 2016: Status of forest elephant and great apes in Central Africa priority sites. https://www.wwf.de/fileadmin/fm-wwf/Publikationen-PDF/WWF_CA_Biomonitoring_Report.pdf		<span id="R02183"></span>N’Goran, K. P. (2017). Summary report on WWF biomonitoring activities from 2014 to 2016: Status of forest elephant and great apes in Central Africa priority sites. https://www.wwf.de/fileadmin/fm-wwf/Publikationen-PDF/WWF_CA_Biomonitoring_Report.pdf

	<span id="R02184"></span>Kiribou, R., Tehoda, P., Chukwu, O., Bempah, G., Kühl, H. S., Ferreira, J., …, & Heinicke, S. (2024). Exposure of African ape sites to climate change impacts. ''PLOS Climate'', 3(2), ~~e0000345~~. [https://doi.org/10.1371/journal.pclm.0000345 doi:10.1371/journal.pclm.0000345]		<span id="R02184"></span>Kiribou, R., Tehoda, P., Chukwu, O., Bempah, G., Kühl, H. S., Ferreira, J., …, & Heinicke, S. (2024). Exposure of African ape sites to climate change impacts. ''PLOS Climate'', 3(2), 1-19. [https://doi.org/10.1371/journal.pclm.0000345 doi:10.1371/journal.pclm.0000345]

	<span id="R02027"></span>ZSL. https://www.zsl.org/conservation/regions/africa/dja-conservation-complex		<span id="R02027"></span>ZSL. https://www.zsl.org/conservation/regions/africa/dja-conservation-complex

WikiEdit at 00:10, 15 October 2026

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← Older revision		Revision as of 20:10, 14 October 2026
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	\|2.1 Annual & perennial non-timber crops		\|2.1 Annual & perennial non-timber crops
	\|Present (unknown severity)		\|Present (unknown severity)
	\|Expansion of land for agriculture ([~~https://whc.unesco.org/en/soc/4202~~ UNESCO 2021]).		\|Expansion of land for agriculture ([[#R00502\|UNESCO 2021]]).
	\|Ongoing (2021)		\|Ongoing (2021)
	\|-		\|-
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	\|3.2 Mining & quarrying		\|3.2 Mining & quarrying
	\|Present (unknown severity)		\|Present (unknown severity)
	\|Mining activities in the periphery ([~~https://whc.unesco.org/en/soc/4202~~ UNESCO 2021]).		\|Mining activities in the periphery ([[#R00502\|UNESCO 2021]]).
	\|Ongoing (2021)		\|Ongoing (2021)
	\|-		\|-
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	\|5.1.3 Commercial bushmeat trade		\|5.1.3 Commercial bushmeat trade
	\|High (more than 70% of population affected)		\|High (more than 70% of population affected)
	\|Bushmeat hunting is reported amon the main threats ([~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]).		\|Bushmeat hunting is reported amon the main threats ([[#R00496\|Born Free 2025]]).
	\|2022-Ongoing (2025)		\|2022-Ongoing (2025)
	\|-		\|-
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	\|5.1.5 Persecution/human wildlife conflict		\|5.1.5 Persecution/human wildlife conflict
	\|High (more than 70% of population affected)		\|High (more than 70% of population affected)
	\|Illegal wildlife trade reported ([~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]).		\|Illegal wildlife trade reported ([[#R00496\|Born Free 2025]]).
	\|2022-Ongoing (2025)		\|2022-Ongoing (2025)
	\|-		\|-
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	\|7.1 Fire & fire suppression		\|7.1 Fire & fire suppression
	\|Present (unknown severity)		\|Present (unknown severity)
	\|Habitat loss via slash-and-burn farming was also reported ([~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]).		\|Habitat loss via slash-and-burn farming was also reported ([[#R00496\|Born Free 2025]]).
	\|2022-Ongoing (2025)		\|2022-Ongoing (2025)
	\|-		\|-
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	\|7.2 Dams & water management/use		\|7.2 Dams & water management/use
	\|Present (unknown severity)		\|Present (unknown severity)
	\|Water infrastructure and Mekin hydroelectric dam ([~~https://whc.unesco.org/en/soc/4202~~ UNESCO 2021]).		\|Water infrastructure and Mekin hydroelectric dam ([[#R00502\|UNESCO 2021]]).
	\|Ongoing (2021)		\|Ongoing (2021)
	\|}		\|}
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	\|2 Counter-wildlife crime		\|2 Counter-wildlife crime
	\|2.12 Implement community control of patrolling, banning hunting and removing snares		\|2.12 Implement community control of patrolling, banning hunting and removing snares
	\|The Great Ape Guardians initiative, established by BFF, recruited and trained twelve local men and women in conservation to assist with patrols, collect information, raise awareness, and serve as an essential bridge between Born Free and surrounding communities. Through their efforts, we have established and supported an informer network that works with local authorities to ensure rapid information sharing on poaching activities ([~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]).		\|The Great Ape Guardians initiative, established by BFF, recruited and trained twelve local men and women in conservation to assist with patrols, collect information, raise awareness, and serve as an essential bridge between Born Free and surrounding communities. Through their efforts, we have established and supported an informer network that works with local authorities to ensure rapid information sharing on poaching activities ([[#R00496\|Born Free 2025]]).
	\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.		\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.
	\|2022-Ongoing (2025)		\|2022-Ongoing (2025)
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	\|2 Counter-wildlife crime		\|2 Counter-wildlife crime
	\|2.3 Conduct regular anti-poaching patrols		\|2.3 Conduct regular anti-poaching patrols
	\|To safeguard great apes and other wildlife from ongoing poaching, BFF works alongside the wildlife authority to support regular anti-poaching patrols across the landscape, an area that presents significant challenges ([~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]).		\|To safeguard great apes and other wildlife from ongoing poaching, BFF works alongside the wildlife authority to support regular anti-poaching patrols across the landscape, an area that presents significant challenges ([[#R00496\|Born Free 2025]]).
	\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.		\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.
	\|2022-Ongoing (2022)		\|2022-Ongoing (2022)
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	\|4 Education & awareness		\|4 Education & awareness
	\|4.1 Educate local communities about apes and sustainable use		\|4.1 Educate local communities about apes and sustainable use
	\|As part of our community outreach, regular events and sessions to raise awareness of wildlife and conservation issues are held. These events include movies, shows, competitions, football tournaments, handball games, and debates, all of which are very popular with young people ([~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]).		\|As part of our community outreach, regular events and sessions to raise awareness of wildlife and conservation issues are held. These events include movies, shows, competitions, football tournaments, handball games, and debates, all of which are very popular with young people ([[#R00496\|Born Free 2025]]).
	\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.		\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.
	\|2022-Ongoing (2025)		\|2022-Ongoing (2025)
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	\|5 Protection & restoration		\|5 Protection & restoration
	\|5.6 Habitat restoration		\|5.6 Habitat restoration
	\|Different measures are carried out to restore the landscape and natural habitats by encouraging local farmers to adopt sustainable agricultural practices, such as using compost to improve soil health and fertility. This reduces the need to cut down pristine, biodiverse forests([~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]).		\|Different measures are carried out to restore the landscape and natural habitats by encouraging local farmers to adopt sustainable agricultural practices, such as using compost to improve soil health and fertility. This reduces the need to cut down pristine, biodiverse forests([[#R00496\|Born Free 2025]]).
	\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.		\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.
	\|2022-Ongoing (2025)		\|2022-Ongoing (2025)
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	\|7.2 Provide non-monetary benefits to local communities for sustainably managing their forest and its wildlife (e.g., better education, infrastructure development)		\|7.2 Provide non-monetary benefits to local communities for sustainably managing their forest and its wildlife (e.g., better education, infrastructure development)
	\|ZSL supports community members and women in particular, to derive better and more sustainable revenue from Non-Timber Forest Products (NTFPs) such as Ndjangsang, Bush mango and Ebaye ([[#R02027\|ZSL]]). AWF supports communities by helping improve cocoa crop cultivation techniques. In exchange, the farmers sign a Reciprocal Environmental Agreement to refrain from participating in poaching, illegal wildlife trade, and illegal logging; with the added boost in income, they no longer rely on money from poaching and logging ([[#R00498\|Kubania 2019]]). <br>		\|ZSL supports community members and women in particular, to derive better and more sustainable revenue from Non-Timber Forest Products (NTFPs) such as Ndjangsang, Bush mango and Ebaye ([[#R02027\|ZSL]]). AWF supports communities by helping improve cocoa crop cultivation techniques. In exchange, the farmers sign a Reciprocal Environmental Agreement to refrain from participating in poaching, illegal wildlife trade, and illegal logging; with the added boost in income, they no longer rely on money from poaching and logging ([[#R00498\|Kubania 2019]]). <br>
	Born Free supports skills training, through our established Agroforestry Training Centre, to equip staff to run three-year programs in sustainable agroforestry for young men and women who have completed primary school (ages 12–25). In addition to that, tailored one-year courses for experienced cocoa farmers, designed to strengthen their skills and support them in managing and restoring their farms. These initiatives give young people the tools and guidance to begin livelihood activities that ease pressure on both wildlife and the environment ([~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]).		Born Free supports skills training, through our established Agroforestry Training Centre, to equip staff to run three-year programs in sustainable agroforestry for young men and women who have completed primary school (ages 12–25). In addition to that, tailored one-year courses for experienced cocoa farmers, designed to strengthen their skills and support them in managing and restoring their farms. These initiatives give young people the tools and guidance to begin livelihood activities that ease pressure on both wildlife and the environment ([[#R00496\|Born Free 2025]]).
	\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.		\|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.
	\|2019, 2022-Ongoing (2025)		\|2019, 2022-Ongoing (2025)
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	\|2 Resources and capacity		\|2 Resources and capacity
	\|2.6 External partnerships that add expertise or resources		\|2.6 External partnerships that add expertise or resources
	\|[~~https://www.bornfree.org.uk/field-conservation/guardians-of-dja/~~ Born Free 2025]		\|[[#R00496\|Born Free 2025]]
	\|2022-Ongoing (2025)		\|2022-Ongoing (2025)
	\|-		\|-

WikiEdit at 20:27, 12 October 2026

2026-10-12T20:27:20Z

Show changes

WikiEdit at 12:14, 3 September 2026

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← Older revision		Revision as of 08:14, 3 September 2026
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	= Exposure to climate change impacts =		= Exposure to climate change impacts =

	As part of a study on the exposure of African great ape sites to climate change impacts, Kiribou et al. ~~subm.~~ extracted climate data and data on projected extreme climate impact events for the site. Climatological characteristics were derived from observation-based climate data provided by the Inter-Sectoral Impact Model Intercomparison Project (ISIMIP, www.isimip.org). Parameters were calculated as the average across each 30-year period. For 1981-2010, the EWEMBI dataset from ISIMIP2a was used. For the two future periods (2021-2050 and 2071-2099) ISIMIP2b climate data based on four CMIP5 global climate models were used. For future projections, two Representative Concentration Pathways (RCP) were used. RCP 2.6 is a scenario with strong mitigation measures in which global temperatures would likely rise below 2C. RCP 6.0 is a scenario with medium emissions in which global temperatures would likely rise up to 3C by 2100. For the number of days with heavy precipitation events, the 98th percentile of all precipitation days (>1mm/d) was calculated for the 1979-2013 reference period as a threshold for a heavy precipitation event. Then, for each year, the number of days above that threshold was derived. The figures on temperature and precipitation anomaly show the deviation from the mean temperature and mean precipitation for the 1979-2013 reference period.		As part of a study on the exposure of African great ape sites to climate change impacts, Kiribou et al. (2024) extracted climate data and data on projected extreme climate impact events for the site. Climatological characteristics were derived from observation-based climate data provided by the Inter-Sectoral Impact Model Intercomparison Project (ISIMIP, www.isimip.org). Parameters were calculated as the average across each 30-year period. For 1981-2010, the EWEMBI dataset from ISIMIP2a was used. For the two future periods (2021-2050 and 2071-2099) ISIMIP2b climate data based on four CMIP5 global climate models were used. For future projections, two Representative Concentration Pathways (RCP) were used. RCP 2.6 is a scenario with strong mitigation measures in which global temperatures would likely rise below 2C. RCP 6.0 is a scenario with medium emissions in which global temperatures would likely rise up to 3C by 2100. For the number of days with heavy precipitation events, the 98th percentile of all precipitation days (>1mm/d) was calculated for the 1979-2013 reference period as a threshold for a heavy precipitation event. Then, for each year, the number of days above that threshold was derived. The figures on temperature and precipitation anomaly show the deviation from the mean temperature and mean precipitation for the 1979-2013 reference period.

	The estimated exposure to future extreme climate impact events (crop failure, drought, river flood, wildfire, tropical cyclone, and heatwave) is based on a published dataset by Lange et al. 2020 derived from ISIMIP2b data. The same global climate models and RCPs as described above were used. Within each 30-year period, the number of years with an extreme event and the average proportion of the site affected were calculated (~~see~~ Kiribou et al. ~~subm. for details~~).		The estimated exposure to future extreme climate impact events (crop failure, drought, river flood, wildfire, tropical cyclone, and heatwave) is based on a published dataset by Lange et al. 2020 derived from ISIMIP2b data. The same global climate models and RCPs as described above were used. Within each 30-year period, the number of years with an extreme event and the average proportion of the site affected were calculated (Kiribou et al. 2024).

	'''Table 8. Estimated past and projected climatological characteristics in Dja Biosphere (or Faunal) Reserve'''		'''Table 8. Estimated past and projected climatological characteristics in Dja Biosphere (or Faunal) Reserve'''

WikiEdit at 14:44, 1 September 2026

2026-09-01T14:44:49Z

← Older revision		Revision as of 10:44, 1 September 2026
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	\|0.67		\|0.67
	\|3524.0		\|3524.0
			\|620 km²
			\|Line transects
			\|
			\|Latour (2010)
			\|Abundance estimate is an extrapolation to the whole surface of the site. Williamson & Usongo (1995) only estimated population densities for the north-east sector of the reserve. 34 transects were walked in an area of 620 km², totaling 43.4 km.
			\|
			\|-
			\|''Gorilla gorilla gorilla''
			\|2010
			\|
			\|1.18
			\|1.78
			\|9362.8
	\|620 km²		\|620 km²
	\|Line transects		\|Line transects
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	\|Willamson & Usongo (1995)		\|Willamson & Usongo (1995)
	\|17 transects totaling 94.7km were walked twice at intervals of 5-7 months. Abundance estimate is an extrapolation to the whole surface of the park. Latour (2010) only estimated population densities for the north-east sector of the reserve.		\|17 transects totaling 94.7km were walked twice at intervals of 5-7 months. Abundance estimate is an extrapolation to the whole surface of the park. Latour (2010) only estimated population densities for the north-east sector of the reserve.
	\|
	\|-
	~~\|''Gorilla gorilla gorilla''~~
	~~\|2010~~
	\|
	~~\|1.18~~
	~~\|1.78~~
	~~\|9362.8~~
	~~\|620 km²~~
	~~\|Line transects~~
	\|
	~~\|Latour (2010)~~
	\|Abundance estimate is an extrapolation to the whole surface of the site. Williamson & Usongo (1995) only estimated population densities for the north-east sector of the reserve. 34 transects were walked in an area of 620 km², totaling 43.4 km.
	\|		\|
	\|}		\|}
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	= References =		= References =

	~~Djuikouo~~, M.N.K., ~~Doucet~~, J.‐L., ~~Nguembou~~, C.K., ~~Lewis~~, S.~~L. and Sonké~~, B. (~~2010~~). ~~Diversity and aboveground biomass in three tropical forest types in~~ the Dja ~~Biosphere~~ Reserve, Cameroon. African ~~Journal of Ecology~~, ~~48: 1053-1063. https://doi.org/10.1111/j.1365-2028.2010.01212~~.x		Bruce, T., Ndjassi, C., Fowler, A., Ndimbe, M., Fankem, O., Tabue Mbobda, R. B., Kobla, A. S., Wabo Puemo, F. A., Amin, R., Wacher, T., Grange-Chamfray, S., & Olson, D. (2018). Faunal inventory of the Dja Faunal Reserve, Cameroon – 2018. Ministry of Forests and Wildlife (MINFOF), Zoological Society of London – Cameroon Country Programme, African Wildlife Foundation, Yaoundé, Cameroon. <br>

	~~MINFOF & IUCN~~. (~~2015~~). ~~Caractérisation de la population de grands et moyens mammifères dans la Reserve de Faune du~~ Dja : ~~Potentiel et menaces~~. ~~Ministry of Forests and Wildlife, IUCN, Yaoundé, Cameroon~~. ~~31 pp~~.		Born Free Foundation. (2025). Guardians of Dja. Retrieved December 2025, from https://www.bornfree.org.uk/field-conservation/guardians-of-dja/ <br>

	~~Bruce T., Ndjassi, C., Fowler, A., Ndimbe~~, M.~~, Fankem,O~~.~~, Tabue Mbobda, R~~.B, ~~Kobla~~,A.S., ~~Wabo Puemo~~, F.A., ~~Amin~~, R.~~, Wacher, T., Grange-Chamfray,S~~.,& ~~Olson~~, D. (~~2018~~). ~~Faunal Inventory of~~ the Dja ~~Faunal~~ Reserve, Cameroon ~~– 2018~~. ~~Ministry of Forests and Wildlife (MINFOF), Zoological Society~~ of ~~London – Cameroon Country Programme~~, ~~African Wildlife Foundation~~, ~~Yaoundé, Cameroon~~.		Djuikouo, M. N. K., Doucet, J.-L., Nguembou, C. K., Lewis, S. L., & Sonké, B. (2010). Diversity and aboveground biomass in three tropical forest types in the Dja Biosphere Reserve, Cameroon. African Journal of Ecology, 48, 1053–1063. https://doi.org/10.1111/j.1365-2028.2010.01212.x <br>

	~~Latour~~, S. (~~2010~~). ~~Reserve de Faune du Dja~~: ~~Evaluation du Statut de grands singes~~. ~~Rapport de BRL Ingenierie, GFA consulting, et DFS~~.		Kubania, J. (2019). Sustainable cocoa turns Cameroon’s farmers into conservation champions. African Wildlife Foundation. https://www.awf.org/blog/sustainable-cocoa-turns-cameroons-farmers-conservation-champions <br>

	~~UNESCO~~ (~~2015~~). ~~http~~:~~//www.unesco.org/new/fileadmin/MULTIMEDIA/HQ/SC/pdf/sc_mab_BR_Dja_EN.pdf (Accessed on 18~~.01.~~2021)~~		Latour, S. (2010). Reserve de Faune du Dja: Evaluation du Statut de grands singes. Rapport de BRL Ingenierie, GFA Consulting, et DFS. <br>

	~~Williamson~~, E. & ~~Usongo, L~~. (~~1995~~). ~~Réserve~~ de ~~faune~~ du Dja: ~~recensement des populations de primates~~ et ~~inventaire des grands mammifères~~. ~~ECOFAC~~, ~~Bruxelles~~.		MINFOF, & IUCN. (2015). Caractérisation de la population de grands et moyens mammifères dans la Reserve de Faune du Dja: Potentiel et menaces. Ministry of Forests and Wildlife, IUCN, Yaoundé, Cameroon. 31 pp. <br>

	~~ZSL~~ (~~2018~~). ~~ZSL Cameroon Annual Report 2018 (https~~://~~admin~~.~~zsl~~.org/~~sites~~/~~default~~/~~files~~/~~Cameroon%20Annual%20Report%202018~~.pdf~~?_ga=2~~.~~24277757~~.~~615129097~~.~~1610992413-860504531.1610992413)~~		UNESCO. (2015). http://www.unesco.org/new/fileadmin/MULTIMEDIA/HQ/SC/pdf/sc_mab_BR_Dja_EN.pdf (Accessed on 18.01.2021). <br>

	UNESCO. (2021). State of ~~Conservation~~, Dja Faunal Reserve. Retrieved September 27, 2021, from https://whc.unesco.org/en/soc/4202		UNESCO. (2021). State of conservation, Dja Faunal Reserve. Retrieved September 27, 2021, from https://whc.unesco.org/en/soc/4202 <br>

	~~Kubania~~, J. (~~2019~~). ~~Sustainable cocoa turns Cameroon’s farmers into conservation champions. African Wildlife Foundation. https~~:~~//www~~.~~awf~~.~~org/blog/sustainable-cocoa-turns-cameroons-farmers-conservation-champions~~ <br>		Williamson, E., & Usongo, L. (1995). Réserve de faune du Dja: Recensement des populations de primates et inventaire des grands mammifères. ECOFAC, Bruxelles. <br>
	~~Born Free Foundation~~. (~~2025~~). ~~Guardians of Dja~~. ~~Retrieved December , 2025, from~~ https://~~www~~.~~bornfree~~.org~~.uk~~/~~field-conservation~~/~~guardians-of-dja~~/ <br>
			ZSL. (2018). ZSL Cameroon annual report 2018. https://admin.zsl.org/sites/default/files/Cameroon%20Annual%20Report%202018.pdf <br>

WikiEdit at 09:41, 14 July 2026

2026-07-14T09:41:28Z

← Older revision		Revision as of 05:41, 14 July 2026
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	!A.P.E.S. database ID		!A.P.E.S. database ID
	\|-		\|-
	\|''~~Pan troglodytes troglodytes~~''		\|''Gorilla gorilla gorilla''
	\|~~1995~~		\|2018
	\|		\|
	\|		\|0.413
	\|0.79		\|0.24
	\|~~4155.0~~		\|1,258 (779-2,031)
	\|~~620~~ km²		\|Entire site (5260 km²)
	\|Line transects		\|Line transects
	\|		\|
	\|~~Willamson & Usongo (1995)~~		\|Bruce et al. 2018
	\|17 transects ~~totaling 94~~.~~7km were walked twice at intervals of 5-7 months~~. ~~Abundance estimate is an extrapolation to the whole surface of the park~~. ~~Latour (2010) only estimated population densities for the north-east sector of the reserve~~.		\|283 transects covered 298.2 km. Distance covered in recces: 1681.38 km.
	\|		\|
	\|-		\|-
	\|''~~Gorilla gorilla gorilla~~''		\|''Pan troglodytes troglodytes''
	\|~~1995~~		\|2018
	\|		\|
	\|		\|0.472
	\|1.71		\|0.43
	\|~~8995.0~~		\|2,313 (1,568-3,411)
	\|~~620~~ km²		\|Entire site (5260 km²)
	\|Line transects		\|Line transects
	\|		\|
	\|~~Willamson & Usongo (1995)~~		\|Bruce et al. 2018
	\|17 transects ~~totaling 94~~.~~7km were walked twice at intervals of 5-7 months~~. ~~Abundance estimate is an extrapolation to the whole surface of the park~~. ~~Latour (2010) only estimated population densities for the north-east sector of the reserve~~.		\|283 transects covered 298.2 km. Distance covered in recces: 1681.38 km.
	\|		\|
	\|-		\|-
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	\|		\|
	\|-		\|-
	\|''~~Gorilla gorilla gorilla~~''		\|''Pan troglodytes troglodytes''
	\|~~2010~~		\|1995
			\|
	\|		\|
	\|1.18		\|0.79
	\|1.78		\|4155.0
	~~\|9362.8~~
	\|620 km²		\|620 km²
	\|Line transects		\|Line transects
	\|		\|
	\|~~Latour~~ (~~2010~~)		\|Willamson & Usongo (1995)
	\|Abundance estimate is an extrapolation to the whole surface of the ~~site~~. ~~Williamson & Usongo~~ (~~1995~~) only estimated population densities for the north-east sector of the reserve~~. 34 transects were walked in an area of 620 km², totaling 43.4 km~~.		\|17 transects totaling 94.7km were walked twice at intervals of 5-7 months. Abundance estimate is an extrapolation to the whole surface of the park. Latour (2010) only estimated population densities for the north-east sector of the reserve.
	\|		\|
	\|-		\|-
	\|''~~Pan troglodytes troglodytes~~''		\|''Gorilla gorilla gorilla''
	\|~~2018~~		\|1995
			\|
	\|		\|
	\|0.~~472~~		\|1.71
	\|0~~.43~~		\|8995.0
	~~\|2,313 (1,568-3,411)~~		\|620 km²
	\|~~Entire site (5260~~ km²)
	\|Line transects		\|Line transects
	\|		\|
	\|~~Bruce et al. 2018~~		\|Willamson & Usongo (1995)
	\|~~283~~ transects ~~covered 298~~.~~2 km~~. ~~Distance covered in recces: 1681~~.~~38 km~~.		\|17 transects totaling 94.7km were walked twice at intervals of 5-7 months. Abundance estimate is an extrapolation to the whole surface of the park. Latour (2010) only estimated population densities for the north-east sector of the reserve.
	\|		\|
	\|-		\|-
	\|''Gorilla gorilla gorilla''		\|''Gorilla gorilla gorilla''
	\|~~2018~~		\|2010
	\|		\|
	\|0.~~413~~		\|1.18
	\|0.24		\|1.78
	\|~~1,258 (779-2,031)~~		\|9362.8
	\|~~Entire site (5260~~ km²)		\|620 km²
	\|Line transects		\|Line transects
	\|		\|
	\|~~Bruce et al. 2018~~		\|Latour (2010)
	\|~~283 transects covered 298~~.~~2 km~~. ~~Distance covered~~ in ~~recces: 1681~~.38 km.		\|Abundance estimate is an extrapolation to the whole surface of the site. Williamson & Usongo (1995) only estimated population densities for the north-east sector of the reserve. 34 transects were walked in an area of 620 km², totaling 43.4 km.
	\|		\|
	\|}		\|}

WikiEdit at 14:43, 25 March 2026

2026-03-25T14:43:05Z

@@ Line 14: / Line 14: @@
 * Conservation activities have focused on poaching patrols, law enforcement, and programs that support local communities .
 * The site was declared a UNESCO World Heritage Site in 1987. It is one of the largest and best protected African rainforests, with approximately 90% of its area remaining undisturbed.
 = Site characteristics =
@@ Line 177: / Line 173: @@
+|
 |Ongoing (2018)
 |-
 |5 Biological resource use
@@ Line 188: / Line 196: @@
 |High (more than 70% of population affected)
 |Bushmeat hunting is reported amon the main threats ([https://www.bornfree.org.uk/field-conservation/guardians-of-dja/ Born Free 2025]).
 |2022-Ongoing (2025)
 |-
@@ Line 196: / Line 210: @@
 |Ongoing (2018)
 |-
-|2 Agriculture & aquaculture
+|7 Natural system modifications
-|2.1 Annual & perennial non-timber crops
+|7.1 Fire & fire suppression
 |Present (unknown severity)
-|Expansion of land for agriculture ([https://whc.unesco.org/en/soc/4202 UNESCO 2021]).
+|Habitat loss via slash-and-burn farming was also reported ([https://www.bornfree.org.uk/field-conservation/guardians-of-dja/ Born Free 2025]).
-|Ongoing (2021)
+|2022-Ongoing (2025)
 |-
 |7 Natural system modifications
@@ Line 213: / Line 221: @@
 |Water infrastructure and Mekin hydroelectric dam ([https://whc.unesco.org/en/soc/4202 UNESCO 2021]).
 |Ongoing (2021)
 |}

WikiEdit at 07:25, 4 February 2026

2026-02-04T07:25:16Z

← Older revision		Revision as of 03:25, 4 February 2026
Line 288:		Line 288:
	\|The reserve was created in 1950 and in 1987 became a UNESCO World Heritage Site.		\|The reserve was created in 1950 and in 1987 became a UNESCO World Heritage Site.
	\|		\|
	\|1950-Ongoing (~~2021~~)		\|1950-Ongoing (2026)
	\|-		\|-
	\|5 Protection & restoration		\|5 Protection & restoration

WikiEdit at 14:27, 23 December 2025

2025-12-23T14:27:37Z

@@ Line 241: / Line 241: @@
 !Implementing organization(s)
 !Year of activity
 |-
 |2 Counter-wildlife crime
@@ Line 265: / Line 247: @@
+|
 |Ongoing (2018)
 |-
 |2 Counter-wildlife crime
@@ Line 283: / Line 271: @@
+|
 |Ongoing (2018)
 |-
 |4 Education & awareness
@@ Line 297: / Line 278: @@
 |2022-Ongoing (2025)
 |-
-|2 Counter-wildlife crime
+|4 Education & awareness
-|2.12 Implement community control of patrolling, banning hunting and removing snares
+|4.2 Involve local community in ape research and conservation management
-|The Great Ape Guardians initiative, established by BFF, recruited and trained twelve local men and women in conservation to assist with patrols, collect information, raise awareness, and serve as an essential bridge between Born Free and surrounding communities. Through their efforts, we have established and supported an informer network that works with local authorities to ensure rapid information sharing on poaching activities ([https://www.bornfree.org.uk/field-conservation/guardians-of-dja/ Born Free 2025]).
+|Community surveillance networks that allow forest community members to collect and report information on illegal activities such as poaching, illegal mining and logging, as well as monitor law enforcement activities (in partnership with the University College of London’s Extreme Citizen Science (ExCiteS) programme).
-|Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.
-|2022-Ongoing (2025)
+|Ongoing (2016)
 |-
 |5 Protection & restoration
@@ Line 308: / Line 295: @@
 |Born Free Foundation, Association de la Protection de Grands Singes (APGS), Services of Conservation of Dja Biosphere Reserve, Ministry of Forests & Wildlife, local communities.
 |2022-Ongoing (2025)
 |}