Middle Stone Age (MSA) site distributions in eastern Africa and their relationship to Quaternary environmental change, refugia and the evolution of Homo sapiens
Basell, Laura S. (2008) Middle Stone Age (MSA) site distributions in eastern Africa and their relationship to Quaternary environmental change, refugia and the evolution of Homo sapiens. [in special issue: Ice Age Refugia and Quaternary Extinctions: An Issue of Quaternary Evolutionary Palaeoecology] Quaternary Science Reviews , 27, (27-28), 2484-2498. (doi:10.1016/j.quascirev.2008.09.010).
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Description/Abstract
This paper considers the evolution of Homo sapiens in eastern Africa in relation to refugia and bottlenecks around 200 ka BP, at a macro scale. Middle Stone Age (MSA) lithics, site distributions and locations are analysed in relation to palaeovegetation maps of the last glacial/interglacial cycle, which are used as a proxy for earlier climate cycles. A “push and pull” model is then postulated for the spread of Homo sapiens out of refugia in eastern Africa, involving both volcanism (push) and habitat availability (pull). A date within OIS 5 is suggested for this expansion to other parts of the continent, and potentially further afield, contrary to a frequently proposed expansion within OIS 3.
| Item Type: | Article |
|---|---|
| ISSNs: | 0277-3791 (print) 1873-457X (electronic) |
| Subjects: | G Geography. Anthropology. Recreation > GB Physical geography G Geography. Anthropology. Recreation > GF Human ecology. Anthropogeography J Political Science > JV Colonies and colonization. Emigration and immigration. International migration |
| Divisions: | University Structure - Pre August 2011 > School of Geography |
| Item ID: | 170575 |
| Date Deposited: | 07 Jan 2011 15:23 |
| Last Modified: | 01 Jun 2011 01:13 |
| Contributors: | Basell, Laura S. (Author) |
| Date: | December 2008 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/170575 |
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