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Geographic variation in the laryngeal morphology of a widely distributed South-American anuran: behavioural and evolutionary implications

dc.contributor.authorLópez, Carlos
dc.contributor.authorQuispe, Maricel
dc.contributor.authorVillalón, Aldo
dc.contributor.authorConcha, Miguel L.
dc.contributor.authorPenna, Mario
dc.contributor.authorVelásquez, Nelson
dc.date.accessioned2021-11-18T20:14:09Z
dc.date.available2021-11-18T20:14:09Z
dc.date.issued2020
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/3489
dc.description.abstractSound-producing organs generate acoustic signals that have a fundamental role in communication systems. In species exhibiting different biogeographic patterns, variations of these structures can explain a large part of interpopulation differences of their signals. Pleurodema thaul is an anuran with an extensive geographic distribution in Chile and presents an evident divergence in its acoustic signals among three genetic/bioacoustic groups (i.e. northern, central and southern). By means of classic histology and 3D-reconstructions, we study the geographic variation in the larynx of P. thaul males from these three groups. In addition, volumes of six laryngeal structures are used as predictors of acoustic characteristics of advertisement calls recorded in previous studies for the same subjects used in the current study. After removing the effect of body size, the arytenoid cartilage, dilator muscle and vocal cords show significant differences between the three bioacoustic groups. Furthermore, arytenoid cartilage and dilator muscle volumes predict some temporal parameters and also the dominant frequency of advertisement calls. Our results show important geographic variation in laryngeal morphology, which is in correspondence with acoustic, behavioural and genetic variation in this species.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceZoological Journal of the Linnean Society, 190(1), 140-148es_CL
dc.subject3D-reconstructiones_CL
dc.subjectAdvertisement calles_CL
dc.subjectAnimal communicationes_CL
dc.subjectIntraspecific variationes_CL
dc.subjectLarynx froges_CL
dc.subjectPleurodema thaules_CL
dc.subjectSoundes_CL
dc.subjectVoicees_CL
dc.titleGeographic variation in the laryngeal morphology of a widely distributed South-American anuran: behavioural and evolutionary implicationses_CL
dc.typeArticlees_CL
dc.ucm.facultadFacultad de Ciencias Básicases_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.indexacionIsies_CL
dc.ucm.doidoi.org/10.1093/zoolinnean/zlz175es_CL


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