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dc.contributor.author
Valdecantos, Maria Soledad
dc.contributor.author
Martínez, Virginia Haydée
dc.contributor.author
Lobo, Fernando
dc.contributor.author
Cruz, Felix Benjamin
dc.date.available
2015-10-19T13:36:48Z
dc.date.issued
2013-01-03
dc.identifier.citation
Valdecantos, Maria Soledad; Martínez, Virginia Haydée; Lobo, Fernando; Cruz, Felix Benjamin; Thermal biology of Liolaemus lizards from the high Andes: Being efficient
despite adversity; Pergamon-elsevier Science Ltd; Journal Of Thermal Biology; 38; 3; 3-1-2013; 126-134
dc.identifier.issn
0306-4565
dc.identifier.uri
http://hdl.handle.net/11336/2546
dc.description.abstract
We studied the efficiency of thermoregulation in four high elevation Liolaemus species in the Andes of Salta, Argentina; L. irregularis, L. multicolor, L. albiceps and L. yanalcu. One of the species, L. irregularis, shows a broad distribution being in allopatry in some localities and in sympatry with L. albiceps, L. multicolor and L. yanalcu at different sites. Together with this variation in assemblages, the degree of phylogenetic relatedness is different with L. irregularis being most closely related to L. albiceps than to the other two species (L. multicolor and L. yanalcu). We measured body (Tb), microenvironmental (Ta, Ts), and operative temperatures (Te) in the field, and preferred body temperature (Tpref) in laboratory for each one of the species of assemblages. Three out of the four species showed a high thermoregulatory efficiency except for L. yanalcu, a moderate thermoregulator. The species studied here show high Tb in the field compared to most of the recorded Liolaemus species. However, the Tpref values were similar to other Liolaemus species. No evidence of thermal niche segregation between species in sympatry was observed. Our results suggest that the species studied here, despite of living at high elevation and harsh climatic conditions are able to behaviorally or physiologically thermoregulate to achieve Tbs close to their Tpref, probably because of low predation risk and perhaps low levels of competition.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Liolaemus
dc.subject
Thermoregulation
dc.subject
Simpatry
dc.subject
Allopatry
dc.subject
Puna
dc.subject
Andes
dc.subject.classification
Biología
dc.subject.classification
Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Thermal biology of Liolaemus lizards from the high Andes: Being efficient
despite adversity
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
38
dc.journal.number
3
dc.journal.pagination
126-134
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Valdecantos, Maria Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Salta. Instituto de Bio y Geociencias del Noroeste Argentino; Argentina;
dc.description.fil
Fil: Martínez, Virginia Haydée. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Salta. Instituto de Bio y Geociencias del Noroeste Argentino; Argentina;
dc.description.fil
Fil: Lobo, Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Salta. Instituto de Bio y Geociencias del Noroeste Argentino; Argentina;
dc.description.fil
Fil: Cruz, Felix Benjamin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina;
dc.journal.title
Journal Of Thermal Biology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0306456512001647
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/doi:10.1016/j.jtherbio.2012.12.002
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