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  Human forager response to abrupt climate change at 8.2 ka on the Atlantic coast of Europe

García-Escárzaga, A., Gutiérrez-Zugasti, I., Marín-Arroyo, A. B., Fernandes, R., Núñez de la Fuente, S., Cuenca-Solana, D., et al. (2022). Human forager response to abrupt climate change at 8.2 ka on the Atlantic coast of Europe. Scientific Reports, 12(1): 6481. doi:10.1038/s41598-022-10135-w.

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Supplementary Information 1 (Supplementary material)
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 Creators:
García-Escárzaga, Asier1, Author              
Gutiérrez-Zugasti, Igor, Author
Marín-Arroyo, Ana B., Author
Fernandes, Ricardo1, Author              
Núñez de la Fuente, Sara, Author
Cuenca-Solana, David, Author
Iriarte, Eneko, Author
Simões, Carlos, Author
Martín-Chivelet, Javier, Author
González-Morales, Manuel R., Author
Roberts, Patrick1, Author              
Affiliations:
1Archaeology, Max Planck Institute for the Science of Human History, Max Planck Society, ou_2074312              

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Free keywords: Archaeology, Behavioural ecology, Palaeoclimate
 Abstract: The cooling and drying associated with the so-called ‘8.2 ka event’ have long been hypothesized as having sweeping implications for human societies in the Early Holocene, including some of the last Mesolithic hunter-gatherers in Atlantic Europe. Nevertheless, detailed ‘on-site’ records with which the impacts of broader climate changes on human-relevant environments can be explored have been lacking. Here, we reconstruct sea surface temperatures (SST) from δ18O values measured on subfossil topshells Phorcus lineatus exploited by the Mesolithic human groups that lived at El Mazo cave (N Spain) between 9 and 7.4 ka. Bayesian modelling of 65 radiocarbon dates, in combination with this δ18O data, provide a high-resolution seasonal record of SST, revealing that colder SST during the 8.2 ka event led to changes in the availability of different shellfish species. Intensification in the exploitation of molluscs by humans indicates demographic growth in these Atlantic coastal settings which acted as refugia during this cold event.

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Language(s): eng - English
 Dates: 2022-04-20
 Publication Status: Published online
 Pages: 13
 Publishing info: -
 Table of Contents: Results
- Bayesian chronological modelling of El Mazo.
- Coastal sea surface temperatures (SST) during the early Holocene.
- Marine mollusc species representation and climate changes.
- Shell size variations.
Discussion
Methods
- Radiocarbon dating and Bayesian modelling.
- Stable oxygen isotope analysis on Phorcus lineatus.
- Archaeomalacological analyses.

 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41598-022-10135-w
Other: shh3206
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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 12 (1) Sequence Number: 6481 Start / End Page: - Identifier: ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322