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Title: Ecology of the collapse of Rapa Nui society
Author: Lima, M.
Gayo, E. M.
Latorre, C.
Santoro, C. M.
Estay, S. A.
Cañellas Boltà, Núria
Margalef Marrasé, Olga
Giralt Romeu, Santiago
Sáez, Alberto
Pla Rabes, S.
Stenseth, N. Chr.
Keywords: Ecologia
Canvi climàtic
Pasqua (Xile : Illa)
Climatic change
Easter Island (Chile)
Issue Date: 29-May-2020
Publisher: The Royal Society
Abstract: Collapses of food producer societies are recurrent events in prehistory and have triggered a growing concern for identifying the underlying causes of convergences/divergences across cultures around the world. One of the most studied and used as a paradigmatic case is the population collapse of the Rapa Nui society. Here, we test different hypotheses about it by developing explicit population dynamic models that integrate feedbacks between climatic, demographic and ecological factors that underpinned the sociocultural trajectory of these people. We evaluate our model outputs against a reconstruction of past population size based on archaeological radiocarbon dates from the island. The resulting estimated demographic declines of the Rapa Nui people are linked to the long-term effects of climate change on the island's carrying capacity and, in turn, on the 'per-capita food supply'.
Note: Reproducció del document publicat a:
It is part of: Proceedings of The Royal Society B. Biological Sciences, 2020, vol. 287, num. 1929
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ISSN: 0962-8452
Appears in Collections:Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)

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