The role of ecological niche evolution on diversification patterns of birds distinctly distributed between the Amazonia and Atlantic rainforests.

The Amazonian and Atlantic Forest share several organisms that are currently isolated but were continuously distributed during the Quaternary period. As both biomes are under different climatic regimes, paleoclimatic events may have modulated species' niches due to a lack of gene flow and impos...

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Main Authors: Ricardo Ribeiro da Silva, Bruno Vilela, Daniel Paiva Silva, André Felipe Alves de Andrade, Pablo Vieira Cerqueira, Gabriela Silva Ribeiro Gonçalves, Marcos Pérsio Dantas Santos
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2020-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0238729
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author Ricardo Ribeiro da Silva
Bruno Vilela
Daniel Paiva Silva
André Felipe Alves de Andrade
Pablo Vieira Cerqueira
Gabriela Silva Ribeiro Gonçalves
Marcos Pérsio Dantas Santos
author_facet Ricardo Ribeiro da Silva
Bruno Vilela
Daniel Paiva Silva
André Felipe Alves de Andrade
Pablo Vieira Cerqueira
Gabriela Silva Ribeiro Gonçalves
Marcos Pérsio Dantas Santos
author_sort Ricardo Ribeiro da Silva
collection DOAJ
description The Amazonian and Atlantic Forest share several organisms that are currently isolated but were continuously distributed during the Quaternary period. As both biomes are under different climatic regimes, paleoclimatic events may have modulated species' niches due to a lack of gene flow and imposing divergent selection pressure. Here, we assessed patterns of ecological niche overlap in 37 species of birds with disjunct ranges between the Amazonian and Brazilian Atlantic Forests. We performed niche overlap analysis and ecological niche modeling using four machine-learning algorithms to evaluate whether species' ecological niches evolved or remained conserved after the past South American biogeographic events. We found a low niche overlap among the same species populations in the two biomes. However, niche similarity tests showed that, for half of the species, the overlap was higher than the ones generated by our null models. These results lead us to conclude that niche conservatism was not enough to avoid ecological differentiation among species even though detected in many species. In sum, our results support the role of climatic changes in late-Pleistocene-that isolated Amazon and the Atlantic Forest-as a driving force of ecological differences among the same species populations and potential mechanism of current diversification in both regions.
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spelling doaj.art-af8026bb93164b3abfe6f4482bbca2522022-12-21T19:17:41ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-011510e023872910.1371/journal.pone.0238729The role of ecological niche evolution on diversification patterns of birds distinctly distributed between the Amazonia and Atlantic rainforests.Ricardo Ribeiro da SilvaBruno VilelaDaniel Paiva SilvaAndré Felipe Alves de AndradePablo Vieira CerqueiraGabriela Silva Ribeiro GonçalvesMarcos Pérsio Dantas SantosThe Amazonian and Atlantic Forest share several organisms that are currently isolated but were continuously distributed during the Quaternary period. As both biomes are under different climatic regimes, paleoclimatic events may have modulated species' niches due to a lack of gene flow and imposing divergent selection pressure. Here, we assessed patterns of ecological niche overlap in 37 species of birds with disjunct ranges between the Amazonian and Brazilian Atlantic Forests. We performed niche overlap analysis and ecological niche modeling using four machine-learning algorithms to evaluate whether species' ecological niches evolved or remained conserved after the past South American biogeographic events. We found a low niche overlap among the same species populations in the two biomes. However, niche similarity tests showed that, for half of the species, the overlap was higher than the ones generated by our null models. These results lead us to conclude that niche conservatism was not enough to avoid ecological differentiation among species even though detected in many species. In sum, our results support the role of climatic changes in late-Pleistocene-that isolated Amazon and the Atlantic Forest-as a driving force of ecological differences among the same species populations and potential mechanism of current diversification in both regions.https://doi.org/10.1371/journal.pone.0238729
spellingShingle Ricardo Ribeiro da Silva
Bruno Vilela
Daniel Paiva Silva
André Felipe Alves de Andrade
Pablo Vieira Cerqueira
Gabriela Silva Ribeiro Gonçalves
Marcos Pérsio Dantas Santos
The role of ecological niche evolution on diversification patterns of birds distinctly distributed between the Amazonia and Atlantic rainforests.
PLoS ONE
title The role of ecological niche evolution on diversification patterns of birds distinctly distributed between the Amazonia and Atlantic rainforests.
title_full The role of ecological niche evolution on diversification patterns of birds distinctly distributed between the Amazonia and Atlantic rainforests.
title_fullStr The role of ecological niche evolution on diversification patterns of birds distinctly distributed between the Amazonia and Atlantic rainforests.
title_full_unstemmed The role of ecological niche evolution on diversification patterns of birds distinctly distributed between the Amazonia and Atlantic rainforests.
title_short The role of ecological niche evolution on diversification patterns of birds distinctly distributed between the Amazonia and Atlantic rainforests.
title_sort role of ecological niche evolution on diversification patterns of birds distinctly distributed between the amazonia and atlantic rainforests
url https://doi.org/10.1371/journal.pone.0238729
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