Environmental correlates of geographical variation in skull and mandible shape of the punare rat Thrichomys apereoides (Rodentia : Echimyidae)

dc.creatorMonteiro, LR
dc.creatorDuarte, LC
dc.creatordos Reis, SF
dc.date2003
dc.dateSEP
dc.date2014-11-18T04:24:02Z
dc.date2015-11-26T17:46:34Z
dc.date2014-11-18T04:24:02Z
dc.date2015-11-26T17:46:34Z
dc.date.accessioned2018-03-29T00:29:05Z
dc.date.available2018-03-29T00:29:05Z
dc.identifierJournal Of Zoology. Wiley-blackwell, v. 261, n. 47, n. 57, 2003.
dc.identifier0952-8369
dc.identifierWOS:000185684700006
dc.identifier10.1017/S0952836903003893
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/64924
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/64924
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/64924
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1288523
dc.descriptionThe pattern of correlations between geographic-environmental variables and geometric shape descriptors for the skull and mandible of Thrichomys apereoides was studied by recently developed combinations of geometry and multivariate statistical techniques. Environmental variables were obtained for each locality: altitude, mean temperature, rainfall, human population density, and vegetation type. The three views of the skull (dorsal, lateral and ventral) and the mandible were significantly associated with a latitudinal environmental gradient along the diagonal of open areas (caatinga and cerrado) throughout the range sampled. The populations from xeric environments presented relatively larger coronoid processes, larger jugals and wider snouts (related to the activity of jaw closing muscles). A correlation of patterns of shape variation from data sets of different skull views showed that lateral skull shape is the most informative view. Further studies are necessary to separate completely the contribution of genetic and environmental components to skull and mandible shape divergence among populations of T apereoides.
dc.description261
dc.description1
dc.description47
dc.description57
dc.languageen
dc.publisherWiley-blackwell
dc.publisherMalden
dc.publisherEUA
dc.relationJournal Of Zoology
dc.relationJ. Zool.
dc.rightsfechado
dc.rightshttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dc.sourceWeb of Science
dc.subjectThrichomys
dc.subjecttwo-block partial least squares
dc.subjectgeometric morphometrics
dc.subjectskull
dc.subjectmandible
dc.subjectgeographic variation
dc.subjectenvironmental gradient
dc.subjectPartial Least-squares
dc.subjectPattern-formation
dc.subjectEvolution
dc.subjectMouse
dc.subjectSize
dc.subjectDifferentiation
dc.subjectPhylogeny
dc.subjectMammalia
dc.subjectHabitat
dc.titleEnvironmental correlates of geographical variation in skull and mandible shape of the punare rat Thrichomys apereoides (Rodentia : Echimyidae)
dc.typeArtículos de revistas


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