Title
Paleoenvironments of the late Pleistocene and Holocene in the Lopé reserve (Gabon); Approach by geomorphologic, sedimentologic, phytologic, geochimic, and anthropogenic indicators of the environments recording the Lopé depression: Approach by geomorphological, sedimentological, phytological, geochemical, and anthropogenic indicators of the environments recording the Lopé depression]
Author(s)
Peyrot B., Oslisly R., Abdessadok S., Fontugne M., Hatte C., White L.
Published
2003
Publisher
Anthropologie
Abstract
Within the middle Ogooué valley (Gabon), the Lope depression appears as a very particular area with savannas landscape surrounded by rain forest. Such a pattern results from the low annual rainfall and also extensive surface erosion. Several sedimentologic analyses, radiocarbon dates on archaeological levels, d13C isotopic data of residual organic matter led us to suggest too bad conditions for a forest extension and think that savannas ecosystem has probably always existed in this region during the late Pleistocene and Holocene times and has been seriously influenced by human destabilizations since 9000 years BP and probably for long times before. © 2003 Éditions scientifiques et médicales Elsevier SAS. Tous droits réservés.
Keywords
Holocene; paleoenvironment; Pleistocene; savanna; Gabon

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PUB11233