African great ape layers

Spatial Layers > African great ape layers

Available African great ape layers

Species	Shapefile	GeoJSON	Year	Description	Source
African great apes excluding bonobos and Grauer's gorillas	Predicted African great ape density distribution shapefile (ZIP; 568 KB)	Predicted African great ape density distribution geojson(Geojson; 2.55 MB)	2015	The layer is the first attempt to model continent-wide great ape density distribution from site-level estimates of African great ape abundance. Populations in Central African Republic, Democratic Republic of the Congo, Liberia, and South Sudan are excluded due to excessively high estimates.	Ordaz-Németh, I., Sop, T., Amarasekaran, B., Bachmann, M., Boesch, C., Brncic, T., ... & Kühl, H. S. (2021). Range‐wide indicators of African great ape density distribution. American journal of primatology, 83(12), e23338.
All African great apes	African great ape abundance per site shapefile (ZIP; 9.68 MB)	African great ape abundance per site geojson(Geojson; 37.7 MB)		Compilation of all polygons from all sites where great apes population abundance was estimated.	IUCN SSC APES Database 2020
Western chimpanzees	Western chimpanzee density distribution (Tif; 3.33 MB)		2015	Range-wide predictions of chimpanzee density based on density distribution model.	Heinicke, S., Mundry, R., Boesch, C., Amarasekaran, B., Barrie, A., Brncic, T., ... & Kühl, H. S. (2019). Advancing conservation planning for western chimpanzees using IUCN SSC APES—the case of a taxon-specific database. Environmental Research Letters, 14(6), 064001.
All African great apes	SEC for great apes tif - original (Tif; 1,020 KB)		2000s	Predicted distribution of suitable environmental conditions (SEC) for eight African great ape taxa for the 2000s.	Junker, J., Blake, S., Boesch, C., Campbell, G., Toit, L. D., Duvall, C., ... & Kuehl, H. S. (2012). Recent decline in suitable environmental conditions for A frican great apes. Diversity and Distributions, 18(11), 1077-1091.
Grauer's gorillas and eastern chimpanzees	Grauer's gorilla occupancy probability (Tif; 171 KB) Eastern chimpanzee occupancy probability (Tif; 170 KB)		2015	Occupancy probability models for the Grauer's gorillas and eastern chimpanzees in DRC.	Plumptre, A. J., Nixon, S., Kujirakwinja, D. K., Vieilledent, G., Critchlow, R., Williamson, E. A., ... & Hall, J. S. (2016). Catastrophic decline of world's largest primate: 80% loss of Grauer's Gorilla (Gorilla beringei graueri) population justifies critically endangered status. PloS one, 11(10), e0162697.
Western chimpanzees	Western chimpanzee density in Liberia (Tif; 505 KB)		2012	Predicted density distribution of chimpanzees in Liberia.	Tweh, C. G., Lormie, M. M., Kouakou, C. Y., Hillers, A., Kühl, H. S., & Junker, J. (2015). Conservation status of chimpanzees Pan troglodytes verus and other large mammals in Liberia: a nationwide survey. Oryx, 49(4), 710-718.
Central chimpanzees and western lowland gorillas			2013	Using great ape data from 59 sites in five countries surveyed between 2003 and 2013, these layers predict central chimpanzee and western lowlang gorilla densities across each taxon’s geographic range.	Strindberg, S., Maisels, F., Williamson, E. A., Blake, S., Stokes, E. J., Aba’a, R., ... & Wilkie, D. S. (2018). Guns, germs, and trees determine density and distribution of gorillas and chimpanzees in Western Equatorial Africa. Science advances, 4(4), eaar2964.