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Mise,Fábio T.; Souza,Fagner de; Pagotto,João P. A.; Goulart,Erivelto. |
ABSTRACT Morphological variations, according to the principles of ecomorphology, can be related to different aspects of the organism way of life, such as occupation of habitats and feeding behavior. The present study sought to examine the intraspecific variation in two populations of Poecilia reticulata Peters, 1859, that occur in two types of environments, a lotic (Maringá Stream) and a lentic (Jaboti Lake). Due to a marked sexual dimorphism, males and females were analyzed separately. Thus, the proposed hypotheses were that the populations that occur in distinct environments present morphological differences. The morphological variables were obtained using morphometric measurements and the ecomorphological indexes. The data were summarized in a Principal... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ecomorphological indexes; Poeciliidae; Habitat occupation; Ecomorphotypes. |
Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212015000200217 |
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Oliveira,Edson Fontes; Goulart,Erivelto; Breda,Luciani; Minte-Vera,Carolina Viviana; Paiva,Luiz Ricardo de Souza; Vismara,Melina Rizzato. |
Ecomorphological patterns of the fish assemblage from the upper Paraná River floodplain, Brazil, were described and evaluated according to trophic (guilds), spatial (habitats) and phylogenetic (taxonomic distances) structures. The samples were obtained through the Long Term Research Project (LTER-CNPq/UEM/NUPELIA) in August and October 2001. Thirty-five species were analyzed from thirty-one morphological variables. Strong significant correlations (Mantel test) between morphology and trophic guilds and between morphology and taxonomy were found, while morphology and habitat revealed a weak correlation. However, the partial Mantel test showed that the correlations between morphology and trophic guilds persist even when the effect of taxonomy is discounted.... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ecomorphology; Ecomorphotypes; Trophic guilds; Habitat diversity; Phylogeny; Upper Paraná River. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252010000300002 |
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