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dc.contributor.author
Kochi, Sayuri  
dc.contributor.author
Pérez, Suray Ayelén  
dc.contributor.author
Tessone, Augusto  
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Ugan, Andrew  
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Tafuri, Mary Anne  
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Nye, Jonathan  
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Tivoli, Angelica Montserrat  
dc.contributor.author
Zangrando, Atilio Francisco Javier  
dc.date.available
2018-04-26T13:23:21Z  
dc.date.issued
2017-04  
dc.identifier.citation
Kochi, Sayuri; Pérez, Suray Ayelén; Tessone, Augusto; Ugan, Andrew; Tafuri, Mary Anne; et al.; δ13C and δ15N variations in terrestrial and marine foodwebs of Beagle Channel in the Holocene: Implications for human paleodietary reconstructions; Elsevier; Journal of Archaeological Science: Reports; 18; 4-2017; 696-707  
dc.identifier.issn
2352-409X  
dc.identifier.uri
http://hdl.handle.net/11336/43515  
dc.description.abstract
In this article we evaluate the isotopic variability in δ13C and δ15N values of diets among maritime hunter-gatherers of the Beagle Channel (Southern Argentina). A system with two end members -marine and terrestrial resources- is not enough to describe populations with diversified subsistence strategies. Moreover, these marine hunter-gatherers are characterized as highly mobile groups whose foraging ranges comprised not only nearshore areas, but also offshore spaces.As a first step to distinguish the diversity of prey choices during the Late Holocene, and to improve the accuracy of paleodietary interpretations, we conducted stable isotope analyses on zooarchaeological collections and modern samples of shellfish and plants. We observed that δ13C and δ15N values of aquatic animals are more clustered than expected in comparison to modern ecological parameters. Terrestrial prey, such as the guanaco, showed considerable isotopic dispersion in both carbon and nitrogen. While zooarchaeological studies have identified foraging activities in offshore spaces, stable isotope analyses should use different criteria to characterize long-term dietary patterns.With this local isotopic frame of reference, we re-examined δ13Ccollagen and δ15Ncollagen measurements of seven adult individuals from the Beagle Channel. Most individuals had marine diets complemented with resources more depleted in 13C and 15N than aquatic prey. While previous interpretations stated that the complementary staple was terrestrial protein, we suggest consumption of shellfish as another possibility. Finally, plants should be reconsidered as a source depleted both in 13C and 15N for mixing models, when typically underestimated in paleodiets from subpolar environments.  
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application/pdf  
dc.language.iso
eng  
dc.publisher
Elsevier  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
HUNTER-GATHERERS  
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ISOTOPIC ECOLOGY  
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PALEODIET  
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PATAGONIA  
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TIERRA DEL FUEGO  
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Historia  
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Historia y Arqueología  
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HUMANIDADES  
dc.title
δ13C and δ15N variations in terrestrial and marine foodwebs of Beagle Channel in the Holocene: Implications for human paleodietary reconstructions  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-04-13T18:18:39Z  
dc.identifier.eissn
2352-4103  
dc.journal.volume
18  
dc.journal.pagination
696-707  
dc.journal.pais
Países Bajos  
dc.journal.ciudad
Amsterdam  
dc.description.fil
Fil: Kochi, Sayuri. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Geocronología y Geología Isotópica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Geocronología y Geología Isotópica; Argentina  
dc.description.fil
Fil: Pérez, Suray Ayelén. Universidad de Buenos Aires. Facultad de Filosofía y Letras; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
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Fil: Tessone, Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Geocronología y Geología Isotópica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Geocronología y Geología Isotópica; Argentina  
dc.description.fil
Fil: Ugan, Andrew. University of Utah; Estados Unidos  
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Fil: Tafuri, Mary Anne. Università degli Studi di Roma "La Sapienza"; Italia  
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Fil: Nye, Jonathan. University of California; Estados Unidos  
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Fil: Tivoli, Angelica Montserrat. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina  
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Fil: Zangrando, Atilio Francisco Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina  
dc.journal.title
Journal of Archaeological Science: Reports  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jasrep.2017.11.036  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S2352409X16305442?via%3Dihub