Species radiation of carabid beetles (broscini: mecodema) in new zealand.

New Zealand biodiversity has often been viewed as Gondwanan in origin and age, but it is increasingly apparent from molecular studies that diversification, and in many cases origination of lineages, postdate the break-up of Gondwanaland. Relatively few studies of New Zealand animal species radiation...

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Autores principales:	Julia Goldberg, Michael Knapp, Rowan M Emberson, J Ian Townsend, Steven A Trewick
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/58744a635595483d9583390a876e67f2
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spelling	oai:doaj.org-article:58744a635595483d9583390a876e67f22021-11-18T08:36:11ZSpecies radiation of carabid beetles (broscini: mecodema) in new zealand.1932-620310.1371/journal.pone.0086185https://doaj.org/article/58744a635595483d9583390a876e67f22014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24465949/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203New Zealand biodiversity has often been viewed as Gondwanan in origin and age, but it is increasingly apparent from molecular studies that diversification, and in many cases origination of lineages, postdate the break-up of Gondwanaland. Relatively few studies of New Zealand animal species radiations have as yet been reported, and here we consider the species-rich genus of carabid beetles, Mecodema. Constrained stratigraphic information (emergence of the Chatham Islands) and a substitution rate for Coleoptera were separately used to calibrate Bayesian relaxed molecular clock date estimates for diversification of Mecodema. The inferred timings indicate radiation of these beetles no earlier than the mid-Miocene with most divergences being younger, dating to the Plio-Pleistocene. A shallow age for the radiation along with a complex spatial distribution of these taxa involving many instances of sympatry implicates recent ecological speciation rather than a simplistic allopatric model. This emphasises the youthful and dynamic nature of New Zealand evolution that will be further elucidated with detailed ecological and population genetic analyses.Julia GoldbergMichael KnappRowan M EmbersonJ Ian TownsendSteven A TrewickPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 1, p e86185 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Julia Goldberg Michael Knapp Rowan M Emberson J Ian Townsend Steven A Trewick Species radiation of carabid beetles (broscini: mecodema) in new zealand.
description	New Zealand biodiversity has often been viewed as Gondwanan in origin and age, but it is increasingly apparent from molecular studies that diversification, and in many cases origination of lineages, postdate the break-up of Gondwanaland. Relatively few studies of New Zealand animal species radiations have as yet been reported, and here we consider the species-rich genus of carabid beetles, Mecodema. Constrained stratigraphic information (emergence of the Chatham Islands) and a substitution rate for Coleoptera were separately used to calibrate Bayesian relaxed molecular clock date estimates for diversification of Mecodema. The inferred timings indicate radiation of these beetles no earlier than the mid-Miocene with most divergences being younger, dating to the Plio-Pleistocene. A shallow age for the radiation along with a complex spatial distribution of these taxa involving many instances of sympatry implicates recent ecological speciation rather than a simplistic allopatric model. This emphasises the youthful and dynamic nature of New Zealand evolution that will be further elucidated with detailed ecological and population genetic analyses.
format	article
author	Julia Goldberg Michael Knapp Rowan M Emberson J Ian Townsend Steven A Trewick
author_facet	Julia Goldberg Michael Knapp Rowan M Emberson J Ian Townsend Steven A Trewick
author_sort	Julia Goldberg
title	Species radiation of carabid beetles (broscini: mecodema) in new zealand.
title_short	Species radiation of carabid beetles (broscini: mecodema) in new zealand.
title_full	Species radiation of carabid beetles (broscini: mecodema) in new zealand.
title_fullStr	Species radiation of carabid beetles (broscini: mecodema) in new zealand.
title_full_unstemmed	Species radiation of carabid beetles (broscini: mecodema) in new zealand.
title_sort	species radiation of carabid beetles (broscini: mecodema) in new zealand.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/58744a635595483d9583390a876e67f2
work_keys_str_mv	AT juliagoldberg speciesradiationofcarabidbeetlesbroscinimecodemainnewzealand AT michaelknapp speciesradiationofcarabidbeetlesbroscinimecodemainnewzealand AT rowanmemberson speciesradiationofcarabidbeetlesbroscinimecodemainnewzealand AT jiantownsend speciesradiationofcarabidbeetlesbroscinimecodemainnewzealand AT stevenatrewick speciesradiationofcarabidbeetlesbroscinimecodemainnewzealand
_version_	1718421561340329984

Species radiation of carabid beetles (broscini: mecodema) in new zealand.

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