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

Florin, S. A., Roberts, P., Marwick, B., Patton, N. R., Shulmeister, J., Lovelock, C. E., et al. (2021). Pandanus nutshell generates a palaeoprecipitation record for human occupation at Madjedbebe, northern Australia. Nature Ecology & Evolution, s41559-020-01379-8. Retrieved from 10.1038/s41559-020-01379-8.

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 Urheber:
Florin, S. Anna, Autor
Roberts, Patrick1, Autor           
Marwick, Ben, Autor
Patton, Nicholas R., Autor
Shulmeister, James, Autor
Lovelock, Catherine E., Autor
Barry, Linda A., Autor
Hua, Quan, Autor
Nango, May, Autor
Djandjomerr, Djaykuk, Autor
Fullagar, Richard, Autor
Wallis, Lynley A., Autor
Fairbairn, Andrew1, Autor           
Clarkson, Chris1, Autor           
Affiliations:
1Archaeology, Max Planck Institute for the Science of Human History, Max Planck Society, ou_2074312              

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Schlagwörter: Archaeology, Palaeoecology, Plant ecology
 Zusammenfassung: 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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Sprache(n): eng - English
 Datum: 2021-01-25
 Publikationsstatus: Online veröffentlicht
 Seiten: 15
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: Discussion
Methods
- Charring experiment for modern P. spiralis.
- Rainfall and environment for modern P. spiralis.
- Modern climate.
- Archaeological P. spiralis.
- Stable carbon isotope analysis.
- Soil analysis.
- Adjustment of δ13C for changes in past δ13CO2ATM and pCO2
- Lithic analysis.
- AMS radiocarbon dating.
- Reporting Summary.

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 Identifikatoren: URI: 10.1038/s41559-020-01379-8
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Titel: Nature Ecology & Evolution
  Kurztitel : Nat. Ecol. Evol.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: London : Nature Publishing Group
Seiten: - Band / Heft: - Artikelnummer: s41559-020-01379-8 Start- / Endseite: - Identifikator: ISSN: 2397-334X
CoNE: https://pure.mpg.de/cone/journals/resource/2397-334X