Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica

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Autor(a) principal: Carvalhaes, Jeiel Gabrir
Data de Publicação: 2011
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Biblioteca Digital de Teses e Dissertações da UFRRJ
Texto Completo: https://tede.ufrrj.br/jspui/handle/jspui/3752
Resumo: The genus Thrichomys Trouessart, 1880 (Histricognathi: Echimyidae), shows a wide variation in dietary, locomotor and behavioral habits. This genus has a complex systematic history. Although morphological and molecular studies on the genus are available, it is still difficult to identify and classify these individuals who have a high karyotypic diversification. Such peculiarities make them interesting to test the relationship between these characteristics and skull variation. In order to differentiate the species Thrichomys apereoides, Thrichomys laurentius and Thrichomys pachyurus we used geometric morphometrics on skull landmarks. Pictures were taken dorsal, ventral and lateral sides of 204 skulls, in which homologous reference points were established. From the coordinates of these points, it was possible to eliminate the effect of size of the species and to 1) test the differences among species and between animals born and raised in the lab and field animals as well as between sexes and the interaction between these factors 2) quantify shape differences among species 3) to describe differences obtained among the groups tested. The results revealed statistically significant differences in shape among species, between sexes and between laboratory and field animals. Size was not significantly different between any of the factors analyzed. Major shape differences were located in the parietal and parieto-frontal region, in the zygomatic arches e in the incisive region. Differences in skull shape between laboratory and field animals involve the posterior portion of the zygomatic arches. The individual fo Caetit?, BA, are morphologically different from other T. laurentius populations indicating a possible dissociation between morphological and karyotypical evolution.
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spelling Rocha-Barbosa, Oscarhttp://lattes.cnpq.br/6551622738384590Pess?a, Leila MariaLoguercio, Mariana Fiuza de Castro086576357-71http://lattes.cnpq.br/1432919639365461Carvalhaes, Jeiel Gabrir2020-07-23T22:00:55Z2011-06-29CARVALHAES, Jeiel Gabrir. Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica. 2011. 107 f. Disserta??o (Mestrado em Biologia Animal) - Instituto de Ci?ncias Biol?gicas e da Sa?de, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2011.https://tede.ufrrj.br/jspui/handle/jspui/3752The genus Thrichomys Trouessart, 1880 (Histricognathi: Echimyidae), shows a wide variation in dietary, locomotor and behavioral habits. This genus has a complex systematic history. Although morphological and molecular studies on the genus are available, it is still difficult to identify and classify these individuals who have a high karyotypic diversification. Such peculiarities make them interesting to test the relationship between these characteristics and skull variation. In order to differentiate the species Thrichomys apereoides, Thrichomys laurentius and Thrichomys pachyurus we used geometric morphometrics on skull landmarks. Pictures were taken dorsal, ventral and lateral sides of 204 skulls, in which homologous reference points were established. From the coordinates of these points, it was possible to eliminate the effect of size of the species and to 1) test the differences among species and between animals born and raised in the lab and field animals as well as between sexes and the interaction between these factors 2) quantify shape differences among species 3) to describe differences obtained among the groups tested. The results revealed statistically significant differences in shape among species, between sexes and between laboratory and field animals. Size was not significantly different between any of the factors analyzed. Major shape differences were located in the parietal and parieto-frontal region, in the zygomatic arches e in the incisive region. Differences in skull shape between laboratory and field animals involve the posterior portion of the zygomatic arches. The individual fo Caetit?, BA, are morphologically different from other T. laurentius populations indicating a possible dissociation between morphological and karyotypical evolution.O g?nero Thrichomys Trouessart, 1880 (Histricognathi: Echimyidae), apresenta uma grande varia??o de h?bitos alimentares, locomotores e comportamentais. Este g?nero possui uma sistem?tica complexa e apesar de j? existirem estudos moleculares e morfol?gicos sobre o g?nero, ainda ? dif?cil identificar e classificar estes indiv?duos que possuem uma alta diversifica??o cariot?pica. Tais particularidades os tornam interessantes para testar a rela??o existente entre estas caracter?sticas e principalmente, a forma do cr?nio. Para tal, o presente trabalho com o objetivo de diferenciar as esp?cies Thrichomys apereoides, Thrichomys laurentius e Thrichomys pachyurus, utilizou como ferramenta a morfometria geom?trica sob marcos anat?micos cranianos. Foram tomadas imagens dorsais, ventrais e laterais de 204 cr?nios, nas quais foram estabelecidos pontos de refer?ncia hom?logos. A partir das coordenadas destes pontos, foi poss?vel eliminar o efeito do tamanho das esp?cies e 1) testar as diferen?as entre esp?cies, entre animais nascidos em biot?rio e campo e entre sexos assim como suas intera??es 2) quantificar as diferen?as de forma entre as tr?s esp?cies 3) descrever as diferen?as na forma obtidas entre os diferentes grupos testados. Os resultados revelaram diferen?as estatisticamente significativas entre a forma do cr?nio das diferentes esp?cies assim como entre animais criados em biot?rio e animais de campo. Tamb?m foi detectado dimorfismo sexual na forma. O tamanho n?o foi significativamente diferente entre nenhum dos fatores analisados. As principais diferen?as de forma entre as esp?cies se localizaram na regi?o parietal e parieto-frontal, nos arcos zygom?ticos e na inser??o do incisivo. As diferen?as de forma entre animais de biot?rio e de campo se localizaram principalmente na parte posterior do arco zygom?tico. Os indiv?duos de Caetit?, BA, s?o morfologicamente diferentes de outras popula??es de T. laurentius indicando uma poss?vel dissocia??o entre evolu??o morfol?gica e cariot?pica.Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2020-07-23T22:00:55Z No. of bitstreams: 1 2011 - Jeiel Gabrir Carvalhaes.pdf: 2191303 bytes, checksum: 8baf437a8a3be03334d9458927b75f68 (MD5)Made available in DSpace on 2020-07-23T22:00:55Z (GMT). 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Elsevier Academic Press: London. 443 pp.Echimyidaebiometriamorfometriaanatomiaestat?sticaEchimyidaebiometricmorphometricsanatomystatisticsBiologia GeralVariabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?tricaSkull variability of three species of the genus Thrichomys (Rodentia, Echimyidae), through techniques of geometric morphometryinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRRJinstname:Universidade Federal Rural do Rio de Janeiro (UFRRJ)instacron:UFRRJTHUMBNAIL2011 - Jeiel Gabrir Carvalhaes.pdf.jpg2011 - Jeiel Gabrir Carvalhaes.pdf.jpgimage/jpeg2953http://localhost:8080/tede/bitstream/jspui/3752/4/2011+-+Jeiel+Gabrir+Carvalhaes.pdf.jpg10bce10cd59f6ea6b2dfcf46a41cc4e7MD54TEXT2011 - Jeiel Gabrir Carvalhaes.pdf.txt2011 - Jeiel Gabrir Carvalhaes.pdf.txttext/plain234202http://localhost:8080/tede/bitstream/jspui/3752/3/2011+-+Jeiel+Gabrir+Carvalhaes.pdf.txtec55f4921a468f651e055ae652653ff9MD53ORIGINAL2011 - Jeiel Gabrir Carvalhaes.pdf2011 - Jeiel Gabrir Carvalhaes.pdfapplication/pdf2191303http://localhost:8080/tede/bitstream/jspui/3752/2/2011+-+Jeiel+Gabrir+Carvalhaes.pdf8baf437a8a3be03334d9458927b75f68MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82089http://localhost:8080/tede/bitstream/jspui/3752/1/license.txt7b5ba3d2445355f386edab96125d42b7MD51jspui/37522021-06-04 15:35:51.068oai:localhost: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Biblioteca Digital de Teses e Dissertaçõeshttps://tede.ufrrj.br/PUBhttps://tede.ufrrj.br/oai/requestbibliot@ufrrj.br||bibliot@ufrrj.bropendoar:2021-06-04T18:35:51Biblioteca Digital de Teses e Dissertações da UFRRJ - Universidade Federal Rural do Rio de Janeiro (UFRRJ)false
dc.title.por.fl_str_mv Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica
dc.title.alternative.eng.fl_str_mv Skull variability of three species of the genus Thrichomys (Rodentia, Echimyidae), through techniques of geometric morphometry
title Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica
spellingShingle Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica
Carvalhaes, Jeiel Gabrir
Echimyidae
biometria
morfometria
anatomia
estat?stica
Echimyidae
biometric
morphometrics
anatomy
statistics
Biologia Geral
title_short Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica
title_full Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica
title_fullStr Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica
title_full_unstemmed Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica
title_sort Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica
author Carvalhaes, Jeiel Gabrir
author_facet Carvalhaes, Jeiel Gabrir
author_role author
dc.contributor.advisor1.fl_str_mv Rocha-Barbosa, Oscar
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/6551622738384590
dc.contributor.referee1.fl_str_mv Pess?a, Leila Maria
dc.contributor.referee2.fl_str_mv Loguercio, Mariana Fiuza de Castro
dc.contributor.authorID.fl_str_mv 086576357-71
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/1432919639365461
dc.contributor.author.fl_str_mv Carvalhaes, Jeiel Gabrir
contributor_str_mv Rocha-Barbosa, Oscar
Pess?a, Leila Maria
Loguercio, Mariana Fiuza de Castro
dc.subject.por.fl_str_mv Echimyidae
biometria
morfometria
anatomia
estat?stica
topic Echimyidae
biometria
morfometria
anatomia
estat?stica
Echimyidae
biometric
morphometrics
anatomy
statistics
Biologia Geral
dc.subject.eng.fl_str_mv Echimyidae
biometric
morphometrics
anatomy
statistics
dc.subject.cnpq.fl_str_mv Biologia Geral
description The genus Thrichomys Trouessart, 1880 (Histricognathi: Echimyidae), shows a wide variation in dietary, locomotor and behavioral habits. This genus has a complex systematic history. Although morphological and molecular studies on the genus are available, it is still difficult to identify and classify these individuals who have a high karyotypic diversification. Such peculiarities make them interesting to test the relationship between these characteristics and skull variation. In order to differentiate the species Thrichomys apereoides, Thrichomys laurentius and Thrichomys pachyurus we used geometric morphometrics on skull landmarks. Pictures were taken dorsal, ventral and lateral sides of 204 skulls, in which homologous reference points were established. From the coordinates of these points, it was possible to eliminate the effect of size of the species and to 1) test the differences among species and between animals born and raised in the lab and field animals as well as between sexes and the interaction between these factors 2) quantify shape differences among species 3) to describe differences obtained among the groups tested. The results revealed statistically significant differences in shape among species, between sexes and between laboratory and field animals. Size was not significantly different between any of the factors analyzed. Major shape differences were located in the parietal and parieto-frontal region, in the zygomatic arches e in the incisive region. Differences in skull shape between laboratory and field animals involve the posterior portion of the zygomatic arches. The individual fo Caetit?, BA, are morphologically different from other T. laurentius populations indicating a possible dissociation between morphological and karyotypical evolution.
publishDate 2011
dc.date.issued.fl_str_mv 2011-06-29
dc.date.accessioned.fl_str_mv 2020-07-23T22:00:55Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.citation.fl_str_mv CARVALHAES, Jeiel Gabrir. Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica. 2011. 107 f. Disserta??o (Mestrado em Biologia Animal) - Instituto de Ci?ncias Biol?gicas e da Sa?de, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2011.
dc.identifier.uri.fl_str_mv https://tede.ufrrj.br/jspui/handle/jspui/3752
identifier_str_mv CARVALHAES, Jeiel Gabrir. Variabilidade craniana de tr?s esp?cies do g?nero Thrichomys (Rodentia, Echimyidae), atrav?s de t?cnicas de Morfometria geom?trica. 2011. 107 f. Disserta??o (Mestrado em Biologia Animal) - Instituto de Ci?ncias Biol?gicas e da Sa?de, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2011.
url https://tede.ufrrj.br/jspui/handle/jspui/3752
dc.language.iso.fl_str_mv por
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