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dc.contributor.author
Perez, Sergio Ivan
dc.contributor.author
Alvarez, Alicia
dc.date.available
2016-12-06T15:35:05Z
dc.date.issued
2013-03
dc.identifier.citation
Perez, Sergio Ivan; Alvarez, Alicia; Two- versus three-dimensional morphometric approaches in macroevolution: insight from the mandible of caviomorph rodents; Springer; Evolutionary Biology; 40; 1; 3-2013; 150-157
dc.identifier.issn
0071-3260
dc.identifier.uri
http://hdl.handle.net/11336/8890
dc.description.abstract
Morphological variation is one of the most studied dimensions of evolutionary biology, given its close relationship with the ecological aspects of biological diversification. In this work we examine the differences between the use of two- and three-dimensional morphometric techniques for the analysis of macroevolutionary patterns of morphological variation in the mandible of the South American caviomorph rodents, which displays varying degrees of hystricognathy. The variation patterns were similar for 2D and 3D coordinate datasets. However, phylogenetic comparative statistical analyses showed widely different results for mandible variation. Both the phylogenetic signal values and the results of phylogenetic regressions were markedly different between the two macroevolutionary mandible datasets. This suggests that the inclusion of the third coordinate to characterize a hystricognathous mandible may lead to completely different interpretations concerning the processes that could be regulating the morphological diversification of the caviomorph mandible. We also compare these results with the 2D and 3D macroevolutionary patterns of variation in cranial shape and the intra-specific mandible variation. The variation patterns were similar for 2D and 3D coordinate for all these comparative datasets. The differing results obtained at different evolutionary scales, give strength to the statement about careful selection of data not only in studies of morphological variation in caviomorphs but also for other groups of organisms.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Evolutionary Diversification
dc.subject
Geometric Morphometrics
dc.subject
Mandible Morphology
dc.subject
Shape Dimensionality
dc.subject
Caviomorph Rodents
dc.subject.classification
Biología
dc.subject.classification
Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Two- versus three-dimensional morphometric approaches in macroevolution: insight from the mandible of caviomorph rodents
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-11-22T21:10:54Z
dc.identifier.eissn
1934-2845
dc.journal.volume
40
dc.journal.number
1
dc.journal.pagination
150-157
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Perez, Sergio Ivan. Universidad Nacional de la Plata. Facultad de Cs.naturales y Museo. Div. Antropologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Cientifico Tecnológico La Plata; Argentina
dc.description.fil
Fil: Alvarez, Alicia. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados. Seccion de Mastozoologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Cientifico Tecnológico La Plata; Argentina
dc.journal.title
Evolutionary Biology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007/s11692-012-9194-3
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s11692-012-9194-3
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