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  • Pandanus nutshell generates a palaeoprecipitation record for human occupation at Madjedbebe, northern Australia

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    Author(s)
    Florin, S Anna
    Roberts, Patrick
    Marwick, Ben
    Patton, Nicholas R
    Shulmeister, James
    Lovelock, Catherine E
    Barry, Linda A
    Hua, Quan
    Nango, May
    Djandjomerr, Djaykuk
    Fullagar, Richard
    Wallis, Lynley A
    Fairbairn, Andrew S
    Clarkson, Chris
    Griffith University Author(s)
    Wallis, Lynley A.
    Year published
    2021
    Metadata
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    Abstract
    Little is known about the Pleistocene climatic context of northern Australia at the time of early human settlement. Here we generate a palaeoprecipitation proxy using stable carbon isotope analysis of modern and archaeological pandanus nutshell from Madjedbebe, Australia's oldest known archaeological site. We document fluctuations in precipitation over the last 65,000 years and identify periods of lower precipitation during the penultimate and last glacial stages, Marine Isotope Stages 4 and 2. However, the lowest effective annual precipitation is recorded at the present time. Periods of lower precipitation, including the ...
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    Little is known about the Pleistocene climatic context of northern Australia at the time of early human settlement. Here we generate a palaeoprecipitation proxy using stable carbon isotope analysis of modern and archaeological pandanus nutshell from Madjedbebe, Australia's oldest known archaeological site. We document fluctuations in precipitation over the last 65,000 years and identify periods of lower precipitation during the penultimate and last glacial stages, Marine Isotope Stages 4 and 2. However, the lowest effective annual precipitation is recorded at the present time. Periods of lower precipitation, including the earliest phase of occupation, correspond with peaks in exotic stone raw materials and artefact discard at the site. This pattern is interpreted as suggesting increased group mobility and intensified use of the region during drier periods.
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    Journal Title
    Nature ecology & evolution
    DOI
    https://doi.org/10.1038/s41559-020-01379-8
    Copyright Statement
    © The Author(s) 2021. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
    Note
    This publication has been entered into Griffith Research Online as an Advanced Online Version.
    Subject
    Archaeological science
    Aboriginal and Torres Strait Islander archaeology
    Palaeoclimatology
    Palaeoecology
    Publication URI
    http://hdl.handle.net/10072/401825
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    • Journal articles

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    Tagline

    • Gold Coast
    • Logan
    • Brisbane - Queensland, Australia
    First Peoples of Australia
    • Aboriginal
    • Torres Strait Islander