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Development of Middle Stone Age innovation linked to rapid climate change

Author

Listed:
  • Martin Ziegler

    (School of Earth and Ocean Sciences, Cardiff University
    Present address: Geological Institute, ETH Zürich, 8092 Zürich, Switzerland)

  • Margit H. Simon

    (School of Earth and Ocean Sciences, Cardiff University)

  • Ian R. Hall

    (School of Earth and Ocean Sciences, Cardiff University)

  • Stephen Barker

    (School of Earth and Ocean Sciences, Cardiff University)

  • Chris Stringer

    (Natural History Museum)

  • Rainer Zahn

    (Institució Catalana de Recerca i Estudis Avançats (ICREA)
    Institut de Ciència i Tecnologia Ambientals (ICTA), Universitat Autònoma de Barcelona)

Abstract

The development of modernity in early human populations has been linked to pulsed phases of technological and behavioural innovation within the Middle Stone Age of South Africa. However, the trigger for these intermittent pulses of technological innovation is an enigma. Here we show that, contrary to some previous studies, the occurrence of innovation was tightly linked to abrupt climate change. Major innovational pulses occurred at times when South African climate changed rapidly towards more humid conditions, while northern sub-Saharan Africa experienced widespread droughts, as the Northern Hemisphere entered phases of extreme cooling. These millennial-scale teleconnections resulted from the bipolar seesaw behaviour of the Atlantic Ocean related to changes in the ocean circulation. These conditions led to humid pulses in South Africa and potentially to the creation of favourable environmental conditions. This strongly implies that innovational pulses of early modern human behaviour were climatically influenced and linked to the adoption of refugia.

Suggested Citation

  • Martin Ziegler & Margit H. Simon & Ian R. Hall & Stephen Barker & Chris Stringer & Rainer Zahn, 2013. "Development of Middle Stone Age innovation linked to rapid climate change," Nature Communications, Nature, vol. 4(1), pages 1-9, October.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2897
    DOI: 10.1038/ncomms2897
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    Cited by:

    1. Nicholas J Conard & Manuel Will, 2015. "Examining the Causes and Consequences of Short-Term Behavioral Change during the Middle Stone Age at Sibudu, South Africa," PLOS ONE, Public Library of Science, vol. 10(6), pages 1-41, June.
    2. Eli D. Lazarus, 2017. "Toward a Global Classification of Coastal Anthromes," Land, MDPI, vol. 6(1), pages 1-27, February.

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