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Title:Hunting pressure on chimpanzees and gorillas in the Motaba River area, northeastern Congo
Authors:Kano, Takayoshi
Asato, RyuISNI
Periodical:African Study Monographs
Geographic term:Congo (Republic of)
External link:https://jambo.africa.kyoto-u.ac.jp/kiroku/asm_normal/abstracts/pdf/ASM%20%20Vol.15%20No.3%201994/Takayoshi%20KANO%20%20%20Ryu%20ASATO.pdf
Abstract:An extensive study based on interviews and line transect surveys was conducted in the Motaba River area in northeastern Congo. The aim was to investigate the distribution and density of chimpanzees and gorillas in the area with special reference to hunting pressure. Both chimpanzees and gorillas were found to be present throughout the area. The densities of both species decrease from the upper toward the lower streams, and also from the inland forests to the villages. Overall densities are estimated at 0.3 chimpanzees per square kilometre and 0.2 gorillas per square kilometre. In every part of the area, apes are hunted for meat. Most people who reside in the area, both Aka and Bantu, are willing to eat ape meat, and about half of them have a chance to do so in a year. Hunting pressure on chimpanzees and gorillas was estimated at 0.020 and 0.010 individuals per square kilometre per year. This suggests that the survival of both species is seriously threatened by local hunting. This threat is expected to increase with human population growth and with future forest exploitation. Bibliogr., sum.