The palaeoecological context of the Oldowan-Acheulean in southern Africa

Michaela Ecker, James S. Brink, Lloyd Rossouw, Michael Chazan, Liora K. Horwitz, Julia A. Lee-Thorp

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The influence of climatic and environmental change on human evolution in the Pleistocene epoch is understood largely from extensive East African stable isotope records. These records show increasing proportions of C4 plants in the Early Pleistocene. We know far less about the expansion of C4 grasses at higher latitudes, which were also occupied by early Homo but are more marginal for C4 plants. Here we show that both C3 and C4 grasses and prolonged wetlands remained major components of Early Pleistocene environments in the central interior of southern Africa, based on enamel stable carbon and oxygen isotope data and associated faunal abundance and phytolith evidence from the site of Wonderwerk Cave. Vegetation contexts associated with Oldowan and early Acheulean lithic industries, in which climate is driven by an interplay of regional rainfall seasonality together with global CO2 levels, develop along a regional distinct trajectory compared to eastern South Africa and East Africa.

Original languageEnglish
Pages (from-to)1080-1086
Number of pages7
JournalNature Ecology and Evolution
Volume2
Issue number7
StatePublished - 1 Jul 2018
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2018 The Author(s).

Funding

We are grateful to D. Morris (McGregor Museum, Kimberley) for granting permission for stable isotope sampling and to A. Gledhill (University of Bradford) for stable isotope measurements. All enamel samples were exported under a South African Heritage Resources Agency (SAHRA) permit (Permit ID 1898). M.E. received funding from the German Academic Exchange Service (DAAD), the Boise Fund Trust (University of Oxford) and the Quaternary Research Association (QRA). Research at Wonderwerk Cave, including on the fauna used in this study, is funded by grants from the Canadian Social Science and Humanities Research Council to M.C. We thank L. Scott for his invaluable input.

FundersFunder number
Boise Fund Trust
Canadian Social Science and Humanities Research Council
Quaternary Research Association
University of Oxford
Deutscher Akademischer Austauschdienst

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