Central African forests as hunter-gatherers' living environment : an approach to historical ecology / Mitsuo Ichikawa -- Technological leap-frogging in the Congo Basin, Pygmies and global positioning systems in Central Africa : what has happened and where is it going? / Jerome Lewis -- Mapping of resource use area by the Baka Pygmies inside and around Boumba-Bek National Park in southeast Cameroon, with special reference to Baka's customary rights / Olivier Njounon Tegomo, Louis Defo & Leonard Usongo -- Biodiversity of intercropped fields in Central African rainforests / Kaori Komatsu -- Fledging agriculturalists? : rethinking the adoption of cultivation by the Baka hunter-gatheres / Hirokazu Yasuoka -- Cash crop cultivation and interethnic relations of the Baka hunter-gatherers in southeastern Cameroon / Takanori Oishi -- Quantitative assessment of livelihoods around great ape reserves : cases in Luo Scientific Reserve, DR Congo, and Kalinzu Forest Reserve, Uganda / Hirokazu Yasuoko ... [et al.] -- Diachronic changes in protein acquisition among the Bongando in the Democratic Republic of the Congo / Daiji Kimura, Hirokazu Yasuoka & Takeshi Furuichi