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Artículo

Morphofunctional patterns in Neotropical felids: Species co-existence and historical assembly

Morales, Miriam MarianaIcon ; Giannini, Norberto PedroIcon
Fecha de publicación: 07/2010
Editorial: Wiley Blackwell Publishing, Inc
Revista: Biological Journal of The Linnean Society
ISSN: 1095-8312
e-ISSN: 0024-4066
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

Extant felids are morphologically homogeneous, probably as a result of recent radiation and constraints from their predatory specializations. The Neotropical assemblage comprises 12 of the 41 extant felid species, which occupy all habitats available, with many species coexisting locally. We studied this assemblage on the basis of 31 craniodental variables reflecting morphofunctional variation, measured from 229 specimens representing all 12 species. Multivariate patterns were summarized allowing for phylogenetic covariation. Additional factors (geographical distribution, use of habitat and stratum, and activity pattern) were coded for each species. As expected, body size accounted for most variation, covarying with membership to three deep clades and, to a lesser extent, with large-scale geographic variation. The species tend to segregate in morphospace plus one or more factors (e.g. habits) that make interspecific overlap in niche space minimal. Using dated phylogenies, biogeographic history, and the fossil record, we reconstructed the historical assembly of the Neotropical felid guild. We found a pattern of successive invasions and speciation in which new lineages occupied previously vacant areas of morphospace, or new species occupied overlapping areas but with contrasting habits. This may be general among antagonistic species of historically structured guilds, and we predict similar patterns in other continents.
Palabras clave: Ecomorphology , Felidae , Morphometry
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/75380
URL: https://academic.oup.com/biolinnean/article/100/3/711/2450687
DOI: https://dx.doi.org/10.1111/j.1095-8312.2010.01461.x
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Articulos(CCT - NOA SUR)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Citación
Morales, Miriam Mariana; Giannini, Norberto Pedro; Morphofunctional patterns in Neotropical felids: Species co-existence and historical assembly; Wiley Blackwell Publishing, Inc; Biological Journal of The Linnean Society; 100; 3; 7-2010; 711-724
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