Tempo and mode of morphological evolution are decoupled from latitude in birds.
The latitudinal diversity gradient is one of the most striking patterns in nature, yet its implications for morphological evolution are poorly understood. In particular, it has been proposed that an increased intensity of species interactions in tropical biota may either promote or constrain trait e...
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Public Library of Science (PLoS)
2021
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oai:doaj.org-article:ec93d1604d2845f39011aa29f7c7a99b2021-12-02T19:54:38ZTempo and mode of morphological evolution are decoupled from latitude in birds.1544-91731545-788510.1371/journal.pbio.3001270https://doaj.org/article/ec93d1604d2845f39011aa29f7c7a99b2021-08-01T00:00:00Zhttps://doi.org/10.1371/journal.pbio.3001270https://doaj.org/toc/1544-9173https://doaj.org/toc/1545-7885The latitudinal diversity gradient is one of the most striking patterns in nature, yet its implications for morphological evolution are poorly understood. In particular, it has been proposed that an increased intensity of species interactions in tropical biota may either promote or constrain trait evolution, but which of these outcomes predominates remains uncertain. Here, we develop tools for fitting phylogenetic models of phenotypic evolution in which the impact of species interactions-namely, competition-can vary across lineages. Deploying these models on a global avian trait dataset to explore differences in trait divergence between tropical and temperate lineages, we find that the effect of latitude on the mode and tempo of morphological evolution is weak and clade- or trait dependent. Our results indicate that species interactions do not disproportionately impact morphological evolution in tropical bird families and question the validity of previously reported patterns of slower trait evolution in the tropics.Jonathan P DruryJulien ClavelJoseph A TobiasJonathan RollandCatherine SheardHélène MorlonPublic Library of Science (PLoS)articleBiology (General)QH301-705.5ENPLoS Biology, Vol 19, Iss 8, p e3001270 (2021) |
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Biology (General) QH301-705.5 |
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Biology (General) QH301-705.5 Jonathan P Drury Julien Clavel Joseph A Tobias Jonathan Rolland Catherine Sheard Hélène Morlon Tempo and mode of morphological evolution are decoupled from latitude in birds. |
description |
The latitudinal diversity gradient is one of the most striking patterns in nature, yet its implications for morphological evolution are poorly understood. In particular, it has been proposed that an increased intensity of species interactions in tropical biota may either promote or constrain trait evolution, but which of these outcomes predominates remains uncertain. Here, we develop tools for fitting phylogenetic models of phenotypic evolution in which the impact of species interactions-namely, competition-can vary across lineages. Deploying these models on a global avian trait dataset to explore differences in trait divergence between tropical and temperate lineages, we find that the effect of latitude on the mode and tempo of morphological evolution is weak and clade- or trait dependent. Our results indicate that species interactions do not disproportionately impact morphological evolution in tropical bird families and question the validity of previously reported patterns of slower trait evolution in the tropics. |
format |
article |
author |
Jonathan P Drury Julien Clavel Joseph A Tobias Jonathan Rolland Catherine Sheard Hélène Morlon |
author_facet |
Jonathan P Drury Julien Clavel Joseph A Tobias Jonathan Rolland Catherine Sheard Hélène Morlon |
author_sort |
Jonathan P Drury |
title |
Tempo and mode of morphological evolution are decoupled from latitude in birds. |
title_short |
Tempo and mode of morphological evolution are decoupled from latitude in birds. |
title_full |
Tempo and mode of morphological evolution are decoupled from latitude in birds. |
title_fullStr |
Tempo and mode of morphological evolution are decoupled from latitude in birds. |
title_full_unstemmed |
Tempo and mode of morphological evolution are decoupled from latitude in birds. |
title_sort |
tempo and mode of morphological evolution are decoupled from latitude in birds. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2021 |
url |
https://doaj.org/article/ec93d1604d2845f39011aa29f7c7a99b |
work_keys_str_mv |
AT jonathanpdrury tempoandmodeofmorphologicalevolutionaredecoupledfromlatitudeinbirds AT julienclavel tempoandmodeofmorphologicalevolutionaredecoupledfromlatitudeinbirds AT josephatobias tempoandmodeofmorphologicalevolutionaredecoupledfromlatitudeinbirds AT jonathanrolland tempoandmodeofmorphologicalevolutionaredecoupledfromlatitudeinbirds AT catherinesheard tempoandmodeofmorphologicalevolutionaredecoupledfromlatitudeinbirds AT helenemorlon tempoandmodeofmorphologicalevolutionaredecoupledfromlatitudeinbirds |
_version_ |
1718375936984875008 |