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dc.contributor.author
Gutiérrez, Joel Antú
dc.contributor.author
Piantoni, Carla
dc.contributor.author
Ibargüengoytía, Nora
dc.date.available
2015-10-08T18:56:26Z
dc.date.issued
2013-03-01
dc.identifier.citation
Gutiérrez, Joel Antú; Piantoni, Carla; Ibargüengoytía, Nora; Altitudinal effects on life history parameters in populations of Liolaemus pictus argentinus (Sauria: Liolaemidae); Firenze University Press; Acta Herpetologica; 8; 1; 1-3-2013; 9-17
dc.identifier.issn
1827-9635
dc.identifier.uri
http://hdl.handle.net/11336/2417
dc.description.abstract
We used skeletochronology to assess the age structure, body size and sexual maturity in two populations of Liolaemus pictus argentinus from San Carlos de Bariloche, Argentina. The species occupies a wide Altitudinal range within the Patagonian Lake District which enabled us to choose populations from two climatic extremes: 771 m a.s.l. and 1615-1769 m a.s.l. Age of sexual maturity in both populations of L. p. argentinus is achieved with a minimum body size of 49 mm. However, at the high-altitude site, lizards matured between the ages of three to six years and had a lifespan of eight years limiting some individual?s reproductive life to only two years. Lizards from the low-altitude site achieved maturity at the age of four and lived until the age of nine years old. Despite the environmental variations between sites populations? growth curves? patterns were similar represented by a rapid initial growth rate of 10.3 mm/year in youngest juvenile which slowed considerably to 4.9 mm/year after attaining sexual maturity, as energy is reallocated towards reproduction, to finally grow at a rate of 0.1 mm/year in the oldest adults. Present results show intraspecific differences in L. pictus, whether it results from adaptive polymorphism or physiological plasticity remains uncertain.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Firenze University Press
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Liolaemidae
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Crecimiento
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Esqueletocronología
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Age Estimation
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Altitudinal Range
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Populations
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Skeletochronology
dc.subject.classification
Zoología, Ornitología, Entomología, Etología
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Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Altitudinal effects on life history parameters in populations of Liolaemus pictus argentinus (Sauria: Liolaemidae)
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.identifier.eissn
1827-9643
dc.journal.volume
8
dc.journal.number
1
dc.journal.pagination
9-17
dc.journal.pais
Italia
dc.journal.ciudad
Firenze
dc.description.fil
Fil: Gutiérrez, Joel Antú. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Departamento de Zoologia. Laboratorio de Parasitologia; Argentina;
dc.description.fil
Fil: Piantoni, Carla. Universidad de Sao Paulo. Instituto de Biociencias. Departamento de Fisiología; Brasil;
dc.description.fil
Fil: Ibargüengoytía, Nora. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Departamento de Zoologia. Laboratorio de Parasitologia; Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina;
dc.journal.title
Acta Herpetologica
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.fupress.net/index.php/ah/article/view/11056
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.13128/Acta_Herpetol-11056
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