Unpublished survey report archive

Ham, R. (1998). Nationwide Chimpanzee Survey and Large Mammal Survey, Republic of Guinea. Report to the European Union, Guinea-Conakry – download PDF

Tutin, C.E.G. et Fernandez, M. (1983). Recensement des Gorilles et des Chimpanzés du Gabon. Centre International de Recherches Médicales de Franceville (CIRMF), Franceville – download PDF 

Uhlenbroek, C. (1990). The Ecology of Chimpanzees (Pan troglodytes schweinfurthii) in a Fragmented Habitat. The Jane Goodall Institute, Burundi – download PDF

Williamson, E.A. & Usongo, L. (1995). I. Recensement des Populations de Primates et Inventaire des Grandes Mammiferes II. Recensement des Elephants, Gorilles et Chimpanzés, Reserve de Faune du Dja, Cameroun. Report to ECOFAC/AGRER – download PDF 

Please search the comprehensive survey report archive on the A.P.E.S. Portal via this link: http://apesportal.eva.mpg.de/database/literature