Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/77872
Title: Climatic change and diet of the pre-Hispanic population of Gran Canaria (Canary Archipelago, Spain) during the Medieval Warm Period and Little Ice Age
Authors: Lécuyer, Christophe
Goedert, Jean
Klee, Johanne
Clauzel, Thibault
Richardin, Pascale
Fourel, François
Delgado Darias, Teresa 
Alberto Barroso, Carmen Verónica 
Velasco Vázquez, Francisco Javier 
Betancort, Juan Francisco
Amiot, Romain
Maréchal, Chloé
Flandrois, Jean Pierre
UNESCO Clasification: 550405 Prehistoria
550302 Historia regional
Keywords: Climate Change
Diet
Gran Canaria
Little Ice Age
Medieval Warm Period, et al
Issue Date: 2021
Journal: Journal of Archaeological Science 
Abstract: The hard and soft tissue remains of a pre-Hispanic population of the Gran Canaria Island at six different archaeological localities were studied using 14C dating and stable isotope compositions. Radiocarbon dating indicates island occupation ranging from the beginning of the 7th to the mid-14th century. We analyzed the oxygen isotope compositions of apatite phosphate bones of some pre-Hispanic individuals. The oxygen isotope compositions of meteoric water (δ18Ow) show a significant decrease from −2.1 ± 1.5 to −4.4 ± 1.2‰ (VSMOW) from the Medieval Warm Period (MWP) to the Little Ice Age (LIA). This is interpreted to reflect a decrease in air temperature by about 5 ± 3 °C. Archaeological data along with δ13C, δ15N and δ34S values of soft tissue indicate that the pre-Hispanic population from Gran Canaria relied on agriculture throughout the 7th to mid-14th century. However, a significant contribution of seafood to the diet of the pre-Hispanic population is observed at archaeological sites located close to the shore. These results suggest cultural resilience in the pre-Hispanic population of Gran Canaria, reflected in the relative constancy of their diet in light of climate change.
URI: http://hdl.handle.net/10553/77872
ISSN: 0305-4403
DOI: 10.1016/j.jas.2021.105336
Source: Journal of Archaeological Science [ISSN 0305-4403], v. 128, (Abril 2021) 105336
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