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Mutual exclusion between cryptic species generates most butterfly beta-diversity

AutorVodă, Raluca ; Dapporto, Leonardo; Dincă, Vlad ; Vila, Roger
Palabras claveEcological niche modeling
Genetic lineages
Island biogeography
Lepidoptera
Species interactions
Fecha de publicaciónjul-2013
CitaciónXVIII European Congress of Lepidopterology (2013)
ResumenThe cryptic fraction of biodiversity is composed by morphologically similar spe - cies that are or have been overlooked by scientists. Most research is now directed towards documenting such cases, and estimating what will be the impact of this hid- den fraction on the monumental task of describing Earth’s biodiversity. We address for the first time the question whether the cryptic fraction of biodiversity displays particular properties beyond the fact that it is composed of morphologically similar species. By using the butterfly fauna of the Western Mediterranean we demonstrate that the cryptic fraction of diversity is overwhelmingly composed by groups of spe - cies that are not sympatric. Using two model cryptic species pairs we show that nei- ther dispersal capacity, nor climatic factors seem to explain the observed chequered pattern of distributions, and that the existence of species interactions resulting in mutual exclusion is the most likely hypothesis. Finally, we demonstrate that mutual exclusion between cryptic species on islands accounts for most beta-diversity turn- over. Thus, we show that the inclusion of cryptic diversity, frequently excluded in large-scale surveys and studies because of intrinsic identification difficulties, is of capital importance.
DescripciónTrabajo presentado en el XVIII European Congress of Lepidopterology, celebrado en Blagoevgrad (Bulgaria) del 29 de julio al 4 de agosto de 2013.
URIhttp://hdl.handle.net/10261/154866
Aparece en las colecciones: (IBE) Comunicaciones congresos
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