Show simple item record Lomascolo, Silvia Beatriz Schaefer, H.M. 2019-03-25T21:18:17Z 2010-01
dc.identifier.citation Lomascolo, Silvia Beatriz; Schaefer, H.M.; Signal convergence in fruits: a result of selection by frugivores?; Wiley Blackwell Publishing, Inc; Journal of Evolutionary Biology; 23; 3; 1-2010; 614-624
dc.identifier.issn 1010-061X
dc.description.abstract The Dispersal Syndrome hypothesis remains contentious, stating that apparently nonrandom associations of fruit characteristics result from selection by seed dispersers. We examine a key assumption under this hypothesis, i.e. that fruit traits can be used as reliable signals by frugivores. We first test this assumption by looking at whether fruit colour allows birds and primates to distinguish between fruits commonly dispersed by birds or primates. Second, we test whether the colours of fruits dispersed by primates are more contrasting to primates than the colours of bird-dispersed fruits, expected if fruit colour is an adaptation to facilitate the detection by seed dispersers. Third, we test whether fruit colour has converged in unrelated plant species dispersed by similar frugivores. We use vision models based on peak sensitivities of birds' and primates' cone cells. We base our analyses on the visual systems of two types of birds (violet and ultraviolet based) and three types of primates (trichromatic primates from the Old and the New Worlds, and a dichromatic New World monkey). Using a Discriminant Function Analysis, we find that all frugivore groups can reliably discriminate between bird- and primate-dispersed fruits. Fruit colour can be a reliable signal to different seed dispersers. However, the colours of primate-dispersed fruits are less contrasting to primates than those of bird-dispersed fruits. Fruit colour convergence in unrelated plants is independent of phylogeny and can be better explained by disperser type, which supports the hypothesis that frugivores are important in fruit evolution. We discuss adaptive and nonadaptive hypotheses that can potentially explain the pattern we found. © 2010 The Authors. Journal Compilation © 2010 European Society For Evolutionary Biology.
dc.format application/pdf
dc.language.iso eng
dc.publisher Wiley Blackwell Publishing, Inc
dc.rights info:eu-repo/semantics/openAccess
dc.subject FRUGIVORY
dc.subject.classification Otras Ciencias Biológicas
dc.subject.classification Ciencias Biológicas
dc.subject.classification CIENCIAS NATURALES Y EXACTAS
dc.title Signal convergence in fruits: a result of selection by frugivores?
dc.type info:eu-repo/semantics/article
dc.type info:ar-repo/semantics/artículo
dc.type info:eu-repo/semantics/publishedVersion 2019-03-21T16:11:41Z
dc.journal.volume 23
dc.journal.number 3
dc.journal.pagination 614-624
dc.journal.pais Reino Unido
dc.journal.ciudad Londres
dc.description.fil Fil: Lomascolo, Silvia Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. University of Florida; Estados Unidos
dc.description.fil Fil: Schaefer, H.M.. University of Freiburg; Alemania
dc.journal.title Journal of Evolutionary Biology
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/url/
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/doi/
dc.conicet.fuente individual

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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)