Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations

Autores
Wilf, Peter; Escapa, Ignacio Hernan
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Evolutionary divergence-age estimates derived from molecular ‘clocks’ are frequently correlated with paleogeographic, paleoclimatic and extinction events. One prominent hypothesis based on molecular data states that the dominant pattern of Southern Hemisphere biogeography is post-Gondwanan clade origins and subsequent dispersal across the oceans in a metaphoric ‘Green Web’. We tested this idea against well-dated Patagonian fossils of 19 plant lineages, representing organisms that actually lived on Gondwana. Most of these occurrences are substantially older than their respective, often post-Gondwanan molecular dates. The Green Web interpretation probably results from directional bias in molecular results. Gondwanan history remains fundamental to understanding Southern Hemisphere plant radiations, and we urge significantly greater caution when using molecular dating to interpret the biological impacts of geological events.
Fil: Wilf, Peter. State University Of Pennsylvania; Estados Unidos
Fil: Escapa, Ignacio Hernan. Museo Paleontológico Egidio Feruglio; Argentina. State University Of Pennsylvania; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
Materia
Divergence Dating
Evolutionary Radiations
Geochronology
Gondwana
Molecular Clocks
Paleobotany
Patagonia
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/5615
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiationsWilf, PeterEscapa, Ignacio HernanDivergence DatingEvolutionary RadiationsGeochronologyGondwanaMolecular ClocksPaleobotanyPatagoniahttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Evolutionary divergence-age estimates derived from molecular ‘clocks’ are frequently correlated with paleogeographic, paleoclimatic and extinction events. One prominent hypothesis based on molecular data states that the dominant pattern of Southern Hemisphere biogeography is post-Gondwanan clade origins and subsequent dispersal across the oceans in a metaphoric ‘Green Web’. We tested this idea against well-dated Patagonian fossils of 19 plant lineages, representing organisms that actually lived on Gondwana. Most of these occurrences are substantially older than their respective, often post-Gondwanan molecular dates. The Green Web interpretation probably results from directional bias in molecular results. Gondwanan history remains fundamental to understanding Southern Hemisphere plant radiations, and we urge significantly greater caution when using molecular dating to interpret the biological impacts of geological events.Fil: Wilf, Peter. State University Of Pennsylvania; Estados UnidosFil: Escapa, Ignacio Hernan. Museo Paleontológico Egidio Feruglio; Argentina. State University Of Pennsylvania; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; ArgentinaWiley2015-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/5615Wilf, Peter; Escapa, Ignacio Hernan; Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations; Wiley; New Phytologist; 207; 2; 7-2015; 283-2900028-646Xenginfo:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/nph.13114/abstractinfo:eu-repo/semantics/altIdentifier/doi/10.1111/nph.13114info:eu-repo/semantics/altIdentifier/url/10.1111/nph.13114info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-17T10:54:06Zoai:ri.conicet.gov.ar:11336/5615instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-17 10:54:07.28CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations
title Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations
spellingShingle Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations
Wilf, Peter
Divergence Dating
Evolutionary Radiations
Geochronology
Gondwana
Molecular Clocks
Paleobotany
Patagonia
title_short Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations
title_full Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations
title_fullStr Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations
title_full_unstemmed Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations
title_sort Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations
dc.creator.none.fl_str_mv Wilf, Peter
Escapa, Ignacio Hernan
author Wilf, Peter
author_facet Wilf, Peter
Escapa, Ignacio Hernan
author_role author
author2 Escapa, Ignacio Hernan
author2_role author
dc.subject.none.fl_str_mv Divergence Dating
Evolutionary Radiations
Geochronology
Gondwana
Molecular Clocks
Paleobotany
Patagonia
topic Divergence Dating
Evolutionary Radiations
Geochronology
Gondwana
Molecular Clocks
Paleobotany
Patagonia
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Evolutionary divergence-age estimates derived from molecular ‘clocks’ are frequently correlated with paleogeographic, paleoclimatic and extinction events. One prominent hypothesis based on molecular data states that the dominant pattern of Southern Hemisphere biogeography is post-Gondwanan clade origins and subsequent dispersal across the oceans in a metaphoric ‘Green Web’. We tested this idea against well-dated Patagonian fossils of 19 plant lineages, representing organisms that actually lived on Gondwana. Most of these occurrences are substantially older than their respective, often post-Gondwanan molecular dates. The Green Web interpretation probably results from directional bias in molecular results. Gondwanan history remains fundamental to understanding Southern Hemisphere plant radiations, and we urge significantly greater caution when using molecular dating to interpret the biological impacts of geological events.
Fil: Wilf, Peter. State University Of Pennsylvania; Estados Unidos
Fil: Escapa, Ignacio Hernan. Museo Paleontológico Egidio Feruglio; Argentina. State University Of Pennsylvania; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
description Evolutionary divergence-age estimates derived from molecular ‘clocks’ are frequently correlated with paleogeographic, paleoclimatic and extinction events. One prominent hypothesis based on molecular data states that the dominant pattern of Southern Hemisphere biogeography is post-Gondwanan clade origins and subsequent dispersal across the oceans in a metaphoric ‘Green Web’. We tested this idea against well-dated Patagonian fossils of 19 plant lineages, representing organisms that actually lived on Gondwana. Most of these occurrences are substantially older than their respective, often post-Gondwanan molecular dates. The Green Web interpretation probably results from directional bias in molecular results. Gondwanan history remains fundamental to understanding Southern Hemisphere plant radiations, and we urge significantly greater caution when using molecular dating to interpret the biological impacts of geological events.
publishDate 2015
dc.date.none.fl_str_mv 2015-07
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/5615
Wilf, Peter; Escapa, Ignacio Hernan; Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations; Wiley; New Phytologist; 207; 2; 7-2015; 283-290
0028-646X
url http://hdl.handle.net/11336/5615
identifier_str_mv Wilf, Peter; Escapa, Ignacio Hernan; Green Web or megabiased clock? Plant fossils from Gondwanan Patagonia speak on evolutionary radiations; Wiley; New Phytologist; 207; 2; 7-2015; 283-290
0028-646X
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/nph.13114/abstract
info:eu-repo/semantics/altIdentifier/doi/10.1111/nph.13114
info:eu-repo/semantics/altIdentifier/url/10.1111/nph.13114
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.001348

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