A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks

Autores
Merino, Mariano Lisandro; Milne, Nick; Vizcaíno, Sergio Fabián
Año de publicación
2005
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
This study examines morphological variation in the crania (n = 70) of eight cervid species from Argentina. Forty 3-dimensional landmarks were acquired on each adult cervid cranium. The data were analysed using Morphologika software. The co-ordinates were registered and scaled to remove size differences by Procrustes analysis, and then principal components analysis was applied to examine shape variation. Shape variation associated with each principal component can be visualised in the program. The first principal component correlates strongly with the centroid size of the crania and also with the body mass and height of each species. The larger species were distinguished by relatively longer snouts and relatively smaller brains. The smaller Mazama and Pudu species cluster closely on the first as well as the other principal components. Among the larger species, the two Hippocamelus species, which live at higher altitudes, were clearly distinguished from the lowland species, Ozotoceros bezoarticus and Blastocerus dichotomus, on the basis of cranial flexion and the orientation of the occipital region. Finally O. bezoarticus and B. dichotomus were compared directly and small differences were noted in the orbital region. The shape data was used to produce a distance matrix and a phenogram, which we relate to some of currently accepted phylogenetic relationships of this group of cervids.
Fil: Merino, Mariano Lisandro. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; Argentina
Fil: Milne, Nick. University of Western Australia; Australia
Fil: Vizcaíno, Sergio Fabián. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Materia
cervids
diet
skull shape
phylogeny
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/242052
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarksMerino, Mariano LisandroMilne, NickVizcaíno, Sergio Fabiáncervidsdietskull shapephylogenyhttps://purl.org/becyt/ford/1.7https://purl.org/becyt/ford/1This study examines morphological variation in the crania (n = 70) of eight cervid species from Argentina. Forty 3-dimensional landmarks were acquired on each adult cervid cranium. The data were analysed using Morphologika software. The co-ordinates were registered and scaled to remove size differences by Procrustes analysis, and then principal components analysis was applied to examine shape variation. Shape variation associated with each principal component can be visualised in the program. The first principal component correlates strongly with the centroid size of the crania and also with the body mass and height of each species. The larger species were distinguished by relatively longer snouts and relatively smaller brains. The smaller Mazama and Pudu species cluster closely on the first as well as the other principal components. Among the larger species, the two Hippocamelus species, which live at higher altitudes, were clearly distinguished from the lowland species, Ozotoceros bezoarticus and Blastocerus dichotomus, on the basis of cranial flexion and the orientation of the occipital region. Finally O. bezoarticus and B. dichotomus were compared directly and small differences were noted in the orbital region. The shape data was used to produce a distance matrix and a phenogram, which we relate to some of currently accepted phylogenetic relationships of this group of cervids.Fil: Merino, Mariano Lisandro. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; ArgentinaFil: Milne, Nick. University of Western Australia; AustraliaFil: Vizcaíno, Sergio Fabián. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaPolish Academy of Sciences2005-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/242052Merino, Mariano Lisandro; Milne, Nick; Vizcaíno, Sergio Fabián; A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks; Polish Academy of Sciences; Acta Theriologica; 50; 1; 12-2005; 91-1080001-7051CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/BF03192622info:eu-repo/semantics/altIdentifier/doi/10.1007/BF03192622info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:47:43Zoai:ri.conicet.gov.ar:11336/242052instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:47:43.671CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks
title A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks
spellingShingle A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks
Merino, Mariano Lisandro
cervids
diet
skull shape
phylogeny
title_short A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks
title_full A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks
title_fullStr A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks
title_full_unstemmed A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks
title_sort A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks
dc.creator.none.fl_str_mv Merino, Mariano Lisandro
Milne, Nick
Vizcaíno, Sergio Fabián
author Merino, Mariano Lisandro
author_facet Merino, Mariano Lisandro
Milne, Nick
Vizcaíno, Sergio Fabián
author_role author
author2 Milne, Nick
Vizcaíno, Sergio Fabián
author2_role author
author
dc.subject.none.fl_str_mv cervids
diet
skull shape
phylogeny
topic cervids
diet
skull shape
phylogeny
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.7
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv This study examines morphological variation in the crania (n = 70) of eight cervid species from Argentina. Forty 3-dimensional landmarks were acquired on each adult cervid cranium. The data were analysed using Morphologika software. The co-ordinates were registered and scaled to remove size differences by Procrustes analysis, and then principal components analysis was applied to examine shape variation. Shape variation associated with each principal component can be visualised in the program. The first principal component correlates strongly with the centroid size of the crania and also with the body mass and height of each species. The larger species were distinguished by relatively longer snouts and relatively smaller brains. The smaller Mazama and Pudu species cluster closely on the first as well as the other principal components. Among the larger species, the two Hippocamelus species, which live at higher altitudes, were clearly distinguished from the lowland species, Ozotoceros bezoarticus and Blastocerus dichotomus, on the basis of cranial flexion and the orientation of the occipital region. Finally O. bezoarticus and B. dichotomus were compared directly and small differences were noted in the orbital region. The shape data was used to produce a distance matrix and a phenogram, which we relate to some of currently accepted phylogenetic relationships of this group of cervids.
Fil: Merino, Mariano Lisandro. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; Argentina
Fil: Milne, Nick. University of Western Australia; Australia
Fil: Vizcaíno, Sergio Fabián. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
description This study examines morphological variation in the crania (n = 70) of eight cervid species from Argentina. Forty 3-dimensional landmarks were acquired on each adult cervid cranium. The data were analysed using Morphologika software. The co-ordinates were registered and scaled to remove size differences by Procrustes analysis, and then principal components analysis was applied to examine shape variation. Shape variation associated with each principal component can be visualised in the program. The first principal component correlates strongly with the centroid size of the crania and also with the body mass and height of each species. The larger species were distinguished by relatively longer snouts and relatively smaller brains. The smaller Mazama and Pudu species cluster closely on the first as well as the other principal components. Among the larger species, the two Hippocamelus species, which live at higher altitudes, were clearly distinguished from the lowland species, Ozotoceros bezoarticus and Blastocerus dichotomus, on the basis of cranial flexion and the orientation of the occipital region. Finally O. bezoarticus and B. dichotomus were compared directly and small differences were noted in the orbital region. The shape data was used to produce a distance matrix and a phenogram, which we relate to some of currently accepted phylogenetic relationships of this group of cervids.
publishDate 2005
dc.date.none.fl_str_mv 2005-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/242052
Merino, Mariano Lisandro; Milne, Nick; Vizcaíno, Sergio Fabián; A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks; Polish Academy of Sciences; Acta Theriologica; 50; 1; 12-2005; 91-108
0001-7051
CONICET Digital
CONICET
url http://hdl.handle.net/11336/242052
identifier_str_mv Merino, Mariano Lisandro; Milne, Nick; Vizcaíno, Sergio Fabián; A cranial morphometric study of deer (Mammalia, Cervidae) from Argentina using three-dimensional landmarks; Polish Academy of Sciences; Acta Theriologica; 50; 1; 12-2005; 91-108
0001-7051
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/BF03192622
info:eu-repo/semantics/altIdentifier/doi/10.1007/BF03192622
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Polish Academy of Sciences
publisher.none.fl_str_mv Polish Academy of Sciences
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1846782182900629504
score 12.982451

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