Use este identificador para citar ou linkar para este item: http://repositorio.bc.ufg.br/handle/ri/11696
Tipo do documento: Artigo
Título: Disentangling the phylogenetic and ecological components of spider phenotypic variation
Autor: Souza, Tiago Gonçalves
Diniz Filho, José Alexandre Felizola
Romero, Gustavo Quevedo
Abstract: An understanding of how the degree of phylogenetic relatedness influences the ecological similarity among species is crucial to inferring the mechanisms governing the assembly of communities. We evaluated the relative importance of spider phylogenetic relationships and ecological niche (plant morphological variables) to the variation in spider body size and shape by comparing spiders at different scales: (i) between bromeliads and dicot plants (i.e., habitat scale) and (ii) among bromeliads with distinct architectural features (i.e., microhabitat scale). We partitioned the interspecific variation in body size and shape into phylogenetic (that express trait values as expected by phylogenetic relationships among species) and ecological components (that express trait values independent of phylogenetic relationships). At the habitat scale, bromeliad spiders were larger and flatter than spiders associated with the surrounding dicots. At this scale, plant morphology sorted out close related spiders. Our results showed that spider flatness is phylogenetically clustered at the habitat scale, whereas it is phylogenetically overdispersed at the microhabitat scale, although phylogenic signal is present in both scales. Taken together, these results suggest that whereas at the habitat scale selective colonization affect spider body size and shape, at fine scales both selective colonization and adaptive evolution determine spider body shape. By partitioning the phylogenetic and ecological components of phenotypic variation, we were able to disentangle the evolutionary history of distinct spider traits and show that plant architecture plays a role in the evolution of spider body size and shape. We also discussed the relevance in considering multiple scales when studying phylogenetic community structure.
Palavras-chave: Body size
Correlation philogenetic
País: Estados unidos
Instituição: Public Library of Science
Unidade acadêmica: Instituto de Ciências Biológicas - ICB (RG)
Citação: SOUZA, Thiago Gonçalves; DINIZ FILHO, José Alexandre Felizola; ROMERO, Gustavo Quevedo. Disentangling the phylogenetic and ecological components of spider phenotypic variation. PlosOne, San Francisco, v. 9, n. 2, p. e89314, Feb. 2014.
Tipo de acesso: Acesso Aberto
Identificador do documento: 10.1371/journal.pone.0089314
Identificador do documento: 10.1371/journal.pone.0089314
URI: http://repositorio.bc.ufg.br/handle/ri/11696
Data de publicação: Fev-2014
Aparece nas coleções:ICB - Artigos publicados em periódicos

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