Diécké Classified Forest - Revision history

WikiEdit at 21:52, 15 October 2026

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	<span id="R00459"></span>WCF. 2012. Etat de la faune et des menaces dans les aires protégées terrestres et principales zones de forte biodiversité de Rep. de Guinée. Report. Wild Chimpanzee Foundation, Sangaredi, Republic of Guinea. Online: [http://www.wildchimps.org www.wildchimps.org]		<span id="R00459"></span>WCF. 2012. Etat de la faune et des menaces dans les aires protégées terrestres et principales zones de forte biodiversité de Rep. de Guinée. Report. Wild Chimpanzee Foundation, Sangaredi, Republic of Guinea. Online: [http://www.wildchimps.org www.wildchimps.org]

	<span id="R02180"></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="R02180"></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]

WikiEdit at 14:33, 15 October 2026

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	<span id="R00459"></span>WCF. 2012. Etat de la faune et des menaces dans les aires protégées terrestres et principales zones de forte biodiversité de Rep. de Guinée. Report. Wild Chimpanzee Foundation, Sangaredi, Republic of Guinea. Online: [http://www.wildchimps.org www.wildchimps.org]		<span id="R00459"></span>WCF. 2012. Etat de la faune et des menaces dans les aires protégées terrestres et principales zones de forte biodiversité de Rep. de Guinée. Report. Wild Chimpanzee Foundation, Sangaredi, Republic of Guinea. Online: [http://www.wildchimps.org www.wildchimps.org]

	<span id="R02180"></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="R02180"></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]

WikiEdit at 19:08, 14 October 2026

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	\|[[#R00459\|WCF 2012]]		\|[[#R00459\|WCF 2012]]
	\|Total survey effort:144.8km		\|Total survey effort:144.8km
	\|GIN0002, GIN0010, GIN0016, GIN0020, GIN0023, GIN0024, GIN0025, GIN0027, GIN0029, GIN0036, GIN0069		\|GIN0002, GIN0010<div class="mw-collapsible mw-collapsed" data-expandtext="+9 more" data-collapsetext="less">GIN0016, GIN0020, GIN0023, GIN0024, GIN0025, GIN0027, GIN0029, GIN0036, GIN0069</div>
	\|-		\|-
	\|''Pan troglodytes verus''		\|''Pan troglodytes verus''
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	= References =		= References =

	<span id="R00450"></span>Almeida-Warren, K., Camara, H. D., Cherif, P., Doré, J., Goumy, P., Kpomi, J., ... & Fitzgerald, M. (2024). Revisiting the Second Largest Forest of Guinea a Decade Later: Conservation Status, Chimpanzee Presence, and Threats in Diécké, Korohouan Area. African Primates, 18(1).		<span id="R00450"></span>Almeida-Warren, K., Camara, H. D., Cherif, P., Doré, J., Goumy, P., Kpomi, J., ... & Fitzgerald, M. (2024). Revisiting the Second Largest Forest of Guinea a Decade Later: Conservation Status, Chimpanzee Presence, and Threats in Diécké, Korohouan Area. African Primates, 18(1). [http://www.primate-sg.org/african-primates-volume-181/ link]

	<span id="R00451"></span>Brugiere D, Kormos R. 2009. Review of the protected area network in Guinea, West Africa, and recommendations for new sites for biodiversity conservation, Biodiversity and Conservation, 18:847 [https://doi.org/10.1007/s10531-008-9508-z doi:10.1007/s10531-008-9508-z]		<span id="R00451"></span>Brugiere D, Kormos R. 2009. Review of the protected area network in Guinea, West Africa, and recommendations for new sites for biodiversity conservation, Biodiversity and Conservation, 18:847 [https://doi.org/10.1007/s10531-008-9508-z doi:10.1007/s10531-008-9508-z]
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	<span id="R00455"></span>Matsuzawa, T., Takemoto, H., Hayakawa, S., & Shimada, M. (1999). Diecke Forest in Guinea. ''Pan Africa News'', 6(1), 10-11. [https://doi.org/10.5134/143391 doi:10.5134/143391]		<span id="R00455"></span>Matsuzawa, T., Takemoto, H., Hayakawa, S., & Shimada, M. (1999). Diecke Forest in Guinea. ''Pan Africa News'', 6(1), 10-11. [https://doi.org/10.5134/143391 doi:10.5134/143391]

	<span id="R00456"></span>Monemou, P., Soumaoro, G. P., Soropogui, Z., Mamy, L., Magassouba, D., & Camara, A. (2023). Effet de l’exploitation des rotins sur les espèces compagnes à la périphérie de la forêt classée de Diécké, Sud-Est de la République de Guinée. Afrique SCIENCE, 23(1), 45-56.		<span id="R00456"></span>Monemou, P., Soumaoro, G. P., Soropogui, Z., Mamy, L., Magassouba, D., & Camara, A. (2023). Effet de l’exploitation des rotins sur les espèces compagnes à la périphérie de la forêt classée de Diécké, Sud-Est de la République de Guinée. Afrique SCIENCE, 23(1), 45-56. [https://www.afriquescience.net/numero.php?nid=7 link]

	<span id="R00457"></span>Sugiyama, Y., & Soumah, A. G. (1988). Preliminary survey of the distribution and population of chimpanzees in the Republic of Guinea. ''Primates'', 29(4), 569-574. [https://doi.org/10.1007/bf02381144 doi:10.1007/bf02381144]		<span id="R00457"></span>Sugiyama, Y., & Soumah, A. G. (1988). Preliminary survey of the distribution and population of chimpanzees in the Republic of Guinea. ''Primates'', 29(4), 569-574. [https://doi.org/10.1007/bf02381144 doi:10.1007/bf02381144]

WikiEdit at 20:27, 12 October 2026

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Show changes

WikiEdit at 12:14, 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 Diécké Classified Forest'''		'''Table 8. Estimated past and projected climatological characteristics in Diécké Classified Forest'''

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	\|-		\|-
	\|''Pan troglodytes verus''		\|''Pan troglodytes verus''
	\|~~2003.0~~		\|2018
	\|Present		\|Present
			\|0.05
			\|
	\|		\|
	~~\|1.49~~
	~~\|776 (210-2864)~~
	\|Diécké forest		\|Diécké forest
	\|Line transects		\|Line transects & recces
	\|~~Distance sampling (decay time unknown)~~		\|
	\|~~Herbinger~~ et ~~Tounkara~~, ~~2006~~		\|Almeida-Warren et al., 2024
	\|~~They used the standing crop nest count method to calculate chimpanzee density~~.		\|Total survey effort : 21.7 km
	\|		\|
	\|-		\|-
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	\|WCF 2012		\|WCF 2012
	\|Total survey effort:144.8km		\|Total survey effort:144.8km
			\|
			\|-
			\|''Pan troglodytes verus''
			\|2003.0
			\|Present
			\|
			\|1.49
			\|776 (210-2864)
			\|Diécké forest
			\|Line transects
			\|Distance sampling (decay time unknown)
			\|Herbinger et Tounkara, 2006
			\|They used the standing crop nest count method to calculate chimpanzee density.
	\|		\|
	\|-		\|-
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	\|Sugiyama & Soumah 1988		\|Sugiyama & Soumah 1988
	\|Questionnaire survey		\|Questionnaire survey
	\|
	\|-
	~~\|''Pan troglodytes verus''~~
	~~\|2018~~
	~~\|Present~~
	~~\|0.05~~
	\|
	\|
	~~\|Diécké forest~~
	~~\|Line transects & recces~~
	\|
	~~\|Almeida-Warren et al., 2024~~
	~~\|Total survey effort : 21.7 km~~
	\|		\|
	\|}		\|}

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	\|-		\|-
	\|''Pan troglodytes verus''		\|''Pan troglodytes verus''
	\|~~1988~~		\|2003.0
	\|Present		\|Present
	\|		\|
			\|1.49
			\|776 (210-2864)
			\|Diécké forest
			\|Line transects
			\|Distance sampling (decay time unknown)
			\|Herbinger et Tounkara, 2006
			\|They used the standing crop nest count method to calculate chimpanzee density.
	\|		\|
	\|50.0		\|-
			\|''Pan troglodytes verus''
			\|2012
			\|Present
			\|0.3
			\|0.14
			\|80 (25-253)
	\|Diécké forest		\|Diécké forest
	\|~~Interviews~~		\|Line transects
	\|		\|
	\|~~Sugiyama & Soumah 1988~~		\|WCF 2012
	\|~~Questionnaire~~ survey		\|Total survey effort:144.8km
	\|		\|
	\|-		\|-
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	\|-		\|-
	\|''Pan troglodytes verus''		\|''Pan troglodytes verus''
	\|~~2003.0~~		\|1988
	\|Present		\|Present
	\|		\|
	~~\|1.49~~
	~~\|776 (210-2864)~~
	~~\|Diécké forest~~
	~~\|Line transects~~
	~~\|Distance sampling (decay time unknown)~~
	~~\|Herbinger et Tounkara, 2006~~
	~~\|They used the standing crop nest count method to calculate chimpanzee density.~~
	\|		\|
	\|-		\|50.0
	~~\|''Pan troglodytes verus''~~
	~~\|2012~~
	~~\|Present~~
	\|0.3
	\|0~~.14~~
	~~\|80 (25-253)~~
	\|Diécké forest		\|Diécké forest
	\|~~Line transects~~		\|Interviews
	\|		\|
	\|~~WCF 2012~~		\|Sugiyama & Soumah 1988
	\|~~Total~~ survey ~~effort:144.8km~~		\|Questionnaire survey
	\|		\|
	\|-		\|-

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	* The following conservation activities were conducted by the Centre Forestier de N'Zérékoré: land-use planning, reforestation and monitoring of illegal hunting.		* The following conservation activities were conducted by the Centre Forestier de N'Zérékoré: land-use planning, reforestation and monitoring of illegal hunting.
	* Diécké Classified Forest is one of the last biodiversity rich forest blocks remaining in southern Guinea.		* Diécké Classified Forest is one of the last biodiversity rich forest blocks remaining in southern Guinea.





	= Site characteristics =		= Site characteristics =
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	\|Plantations for oil palm and rubber, and other crops (Carvalho 2011, UNEP-WCMC and IUCN 2018).		\|Plantations for oil palm and rubber, and other crops (Carvalho 2011, UNEP-WCMC and IUCN 2018).
	\|2011-Ongoing (2018)		\|2011-Ongoing (2018)
	\|-
	~~\|5 Biological resource use~~
	~~\|5.1 Hunting & collecting terrestrial animals~~
	~~\|High (more than 70% of population affected)~~
	~~\|Illegal poaching is consistently mentioned as the most prevalent threat across reports (Herbinger et Tounkara 2006, Carvalho 2011, UNEP-WCMC and IUCN 2018, Almeida-Warren et al. 2024).~~
	~~\|2003-Ongoing (2024)~~
	\|-		\|-
	\|4 Transportation & service corridors		\|4 Transportation & service corridors
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	\|-		\|-
	\|5 Biological resource use		\|5 Biological resource use
	\|5.~~3 Logging~~ & ~~wood harvesting~~		\|5.1 Hunting & collecting terrestrial animals
	\|~~Present~~ (~~unknown severity~~)		\|High (more than 70% of population affected)
	\|~~Logging increased strongly when migrants arrived from Sierra Leone and Liberia in 1989~~ (Carvalho 2011). ~~Signs of logging and charcoal production were found in a survey in 2011 (WCF 2012~~).		\|Illegal poaching is consistently mentioned as the most prevalent threat across reports (Herbinger et Tounkara 2006, Carvalho 2011, UNEP-WCMC and IUCN 2018, Almeida-Warren et al. 2024).
	\|~~1989~~-Ongoing (~~2012~~)		\|2003-Ongoing (2024)
	\|-		\|-
	\|5 Biological resource use		\|5 Biological resource use
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	\|There is harvesting of several species of rattan by local populations which impacts other tree species and the integrity of the forest (Monemou et al., 2024).		\|There is harvesting of several species of rattan by local populations which impacts other tree species and the integrity of the forest (Monemou et al., 2024).
	\|Ongoing (2024)		\|Ongoing (2024)
			\|-
			\|5 Biological resource use
			\|5.3 Logging & wood harvesting
			\|Present (unknown severity)
			\|Logging increased strongly when migrants arrived from Sierra Leone and Liberia in 1989 (Carvalho 2011). Signs of logging and charcoal production were found in a survey in 2011 (WCF 2012).
			\|1989-Ongoing (2012)
	\|}		\|}

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	!Implementing organization(s)		!Implementing organization(s)
	!Year of activity		!Year of activity
	\|-
	~~\|5 Protection & restoration~~
	~~\|5.2 Legally protect ape habitat~~
	~~\|Designated as Classified Forest since 1945 (UNEP-WCMC and IUCN 2018)~~
	\|
	~~\|1945-Ongoing (2018)~~
	\|-		\|-
	\|2 Counter-wildlife crime		\|2 Counter-wildlife crime
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	\|		\|
	\|Unknown		\|Unknown
			\|-
			\|5 Protection & restoration
			\|5.2 Legally protect ape habitat
			\|Designated as Classified Forest since 1945 (UNEP-WCMC and IUCN 2018)
			\|
			\|1945-Ongoing (2018)
	\|-		\|-
	\|5 Protection & restoration		\|5 Protection & restoration

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	<div><ul><li style="display: inline-block; vertical-align: top;"> [[File:PrecipAnomaly_Diecke.png\| 450px \| thumb\| none \| Precipitation anomaly ~~inDiécké~~ Classified Forest]] </li><li style="display: inline-block; vertical-align: top;"> [[File:TempAnomaly_Diecke.png \| 450px \| thumb\| none \| Temperature anomaly ~~inDiécké~~ Classified Forest]] </li></ul></div>		<div><ul><li style="display: inline-block; vertical-align: top;"> [[File:PrecipAnomaly_Diecke.png\| 450px \| thumb\| none \| Precipitation anomaly in Diécké Classified Forest]] </li><li style="display: inline-block; vertical-align: top;"> [[File:TempAnomaly_Diecke.png \| 450px \| thumb\| none \| Temperature anomaly in Diécké Classified Forest]] </li></ul></div>

	= External links =		= External links =