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dc.contributor.author
Fernández, Fernando Julián  
dc.contributor.author
Gil, Adolfo Fabian  
dc.contributor.author
Ugan, Andrew  
dc.contributor.author
Neme, Gustavo Adolfo  
dc.date.available
2018-08-07T19:51:52Z  
dc.date.issued
2016-04  
dc.identifier.citation
Fernández, Fernando Julián; Gil, Adolfo Fabian; Ugan, Andrew; Neme, Gustavo Adolfo; Ecological conditions and isotopic diet (13C and 15N) of Holocene caviomorph rodents in Northern Patagonia; Academic Press Ltd - Elsevier Science Ltd; Journal of Arid Environments; 127; 4-2016; 44-52  
dc.identifier.issn
0140-1963  
dc.identifier.uri
http://hdl.handle.net/11336/54490  
dc.description.abstract
This work improves our knowledge about the relationship between diet and environment among Northern Patagonian caviomorph rodents. In order to characterize long-term individual diets, we present δ13C and δ15N data from osteological remains of the caviomorph rodents Dolichotis patagonum, Myocastor coypus, Lagostomus maximus, Lagidium viscacia, Microcavia australis, Galea leucoblephara and Ctenomys sp., recovered from archaeological and recent contexts. These data are analyzed by temporal and geographic context and compared with the previous dietary studies based on macrorremains and microhistological analysis. Significative differences were found between rodents from Monte and Patagonian phytogeographic provinces, as well as between archaeological and modern members of the genus Ctenomys, indicating diet changes between Late Holocene and recent times individuals, that could confirm the climatic variations and/or the recent overgrazing effect. The results indicate trends in rodent diets of 20th and 21st centuries were different to those of the Late Holocene, suggesting a decrease in precipitation and/or an increase of the summer pattern of the same, and/or an increase of mean annual temperature. In addition, this work confirms the generalist strategy of several taxa, although mainly in Ctenomys, which its diet co-varies with these environments.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Academic Press Ltd - Elsevier Science Ltd  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/  
dc.subject
Caviomorph Rodents  
dc.subject
Diet  
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Monte Desert  
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Paleodiet  
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Patagonian  
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Stable Isotopes  
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Arqueología  
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Historia y Arqueología  
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HUMANIDADES  
dc.title
Ecological conditions and isotopic diet (13C and 15N) of Holocene caviomorph rodents in Northern Patagonia  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-08-06T18:03:42Z  
dc.journal.volume
127  
dc.journal.pagination
44-52  
dc.journal.pais
Estados Unidos  
dc.description.fil
Fil: Fernández, Fernando Julián. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Gil, Adolfo Fabian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina  
dc.description.fil
Fil: Ugan, Andrew. University of Utah; Estados Unidos  
dc.description.fil
Fil: Neme, Gustavo Adolfo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina  
dc.journal.title
Journal of Arid Environments  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jaridenv.2015.10.019  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0140196315300835