Were environmental or demographic factors the driving force behind Middle Stone Age innovations in southern Africa?

Sir—Past human responses to environmental changes have long interested archaeologists. During the last glacial cycle, southern Africa experienced marked climatic fluctuations, as recorded in ice-core records from West and East Antarctica.

Bibliographic Details
Main Authors:	Jacobs, Zenobia, Roberts, Richard G
Format:	Article in Journal/Newspaper
Language:	unknown
Published:	Research Online 2009
Subjects:	innovations environmental southern africa demographic factors driving force behind middle stone age were CAS Life Sciences Physical Sciences and Mathematics Social and Behavioral Sciences East Antarctica Antarc* Antarctica ice core
Online Access:	https://ro.uow.edu.au/scipapers/266 https://ro.uow.edu.au/cgi/viewcontent.cgi?article=1300&context=scipapers

Description
Summary:	Sir—Past human responses to environmental changes have long interested archaeologists. During the last glacial cycle, southern Africa experienced marked climatic fluctuations, as recorded in ice-core records from West and East Antarctica.