%0 Journal Article
%T Postnatalontogeneticsizeandshapechangesinthecraniumsofplateaupikaandwoollyhare(Mammalia：Lagomorpha)
%A Zhi-Gui ZHANG
%A De-Yan GE
%J 动物学研究
%P 287-293
%D 2014
%R 10.13918/j.issn.2095-8137.2014.4.287
%X Inthepresentstudy,postnatalontogeneticsizeandshapechangesinthecraniumoftwolagomorphspecies,theplateaupika(Ochotonacurzoniae)andwoollyhare(Lepusoiostolus),wereinvestigatedbygeometricmorphometrics.TheontogeneticsizeandshapechangesoftheircraniumexhibiteddifferentgrowthpatternsinresponsetosimilarenvironmentalpressuresontheQinghai-TibetanPlateau.Theoverallsizechangeinthecraniumoftheplateaupikawasslowerthanthatofthewoollyhare.Thepercentageofontogeneticshapevarianceexplainedbysizeinthewoollyharewasgreaterthanthatintheplateaupika.Theoverallshapeofthecraniumwasnarrowedinbothspecies,andmorphologicalcomponentsinrelationtoneuralmaturityshowednegativeallometry,whilethoseresponsibleformusculardevelopmentshowedisometricorpositiveallometry.Themostremarkableshapevariationsintheplateaupikawereassociatedwithfoodacquisition(temporalisdevelopment),thoughotherremarkableshapevariationsintheincisiveandpalatalforamenintheventralviewwerealsoobserved.Themostimportantshapechangeinthewoollyharewasdemonstratedbytheelongationofthenasalbones,expansionofthesupra-orbitalprocessandshapevariationoftheneurocranium.
%K Ontogeny
%K Geometricmorphometrics
%K Allometry
%K Cranialmorphology
%K Lagomorpha
%U http://www.zoores.ac.cn/CN/abstract/abstract3495.shtml