New fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia

Abstract New Caledonia was, until recently, considered an old continental island harbouring a rich biota with outstanding Gondwanan relicts. However, deep marine sedimentation and tectonic evidence suggest complete submergence of the island during the latest Cretaceous to the Paleocene. Molecular ph...

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Autores principales:	Romain Garrouste, Jérôme Munzinger, Andrew Leslie, Jessica Fisher, Nicolas Folcher, Emma Locatelli, Wyndy Foy, Thibault Chaillon, David J. Cantrill, Pierre Maurizot, Dominique Cluzel, Porter P. Lowry, Peter Crane, Jean-Jacques Bahain, Pierre Voinchet, Hervé Jourdan, Philippe Grandcolas, André Nel
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5b0a6c7cd97f477e85ec3318b2c8a385
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spelling	oai:doaj.org-article:5b0a6c7cd97f477e85ec3318b2c8a3852021-12-02T17:24:02ZNew fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia10.1038/s41598-021-97938-52045-2322https://doaj.org/article/5b0a6c7cd97f477e85ec3318b2c8a3852021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97938-5https://doaj.org/toc/2045-2322Abstract New Caledonia was, until recently, considered an old continental island harbouring a rich biota with outstanding Gondwanan relicts. However, deep marine sedimentation and tectonic evidence suggest complete submergence of the island during the latest Cretaceous to the Paleocene. Molecular phylogenies provide evidence for some deeply-diverging clades that may predate the Eocene and abundant post-Oligocene colonisation events. Extinction and colonization biases, as well as survival of some groups in refuges on neighbouring paleo-islands, may have obscured biogeographic trends over long time scales. Fossil data are therefore crucial for understanding the history of the New Caledonian biota, but occurrences are sparse and have received only limited attention. Here we describe five exceptional fossil assemblages that provide important new insights into New Caledonia’s terrestrial paleobiota from three key time intervals: prior to the submersion of the island, following re-emergence, and prior to Pleistocene climatic shifts. These will be of major importance for elucidating changes in New Caledonia’s floristic composition over time.Romain GarrousteJérôme MunzingerAndrew LeslieJessica FisherNicolas FolcherEmma LocatelliWyndy FoyThibault ChaillonDavid J. CantrillPierre MaurizotDominique CluzelPorter P. LowryPeter CraneJean-Jacques BahainPierre VoinchetHervé JourdanPhilippe GrandcolasAndré NelNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Romain Garrouste Jérôme Munzinger Andrew Leslie Jessica Fisher Nicolas Folcher Emma Locatelli Wyndy Foy Thibault Chaillon David J. Cantrill Pierre Maurizot Dominique Cluzel Porter P. Lowry Peter Crane Jean-Jacques Bahain Pierre Voinchet Hervé Jourdan Philippe Grandcolas André Nel New fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia
description	Abstract New Caledonia was, until recently, considered an old continental island harbouring a rich biota with outstanding Gondwanan relicts. However, deep marine sedimentation and tectonic evidence suggest complete submergence of the island during the latest Cretaceous to the Paleocene. Molecular phylogenies provide evidence for some deeply-diverging clades that may predate the Eocene and abundant post-Oligocene colonisation events. Extinction and colonization biases, as well as survival of some groups in refuges on neighbouring paleo-islands, may have obscured biogeographic trends over long time scales. Fossil data are therefore crucial for understanding the history of the New Caledonian biota, but occurrences are sparse and have received only limited attention. Here we describe five exceptional fossil assemblages that provide important new insights into New Caledonia’s terrestrial paleobiota from three key time intervals: prior to the submersion of the island, following re-emergence, and prior to Pleistocene climatic shifts. These will be of major importance for elucidating changes in New Caledonia’s floristic composition over time.
format	article
author	Romain Garrouste Jérôme Munzinger Andrew Leslie Jessica Fisher Nicolas Folcher Emma Locatelli Wyndy Foy Thibault Chaillon David J. Cantrill Pierre Maurizot Dominique Cluzel Porter P. Lowry Peter Crane Jean-Jacques Bahain Pierre Voinchet Hervé Jourdan Philippe Grandcolas André Nel
author_facet	Romain Garrouste Jérôme Munzinger Andrew Leslie Jessica Fisher Nicolas Folcher Emma Locatelli Wyndy Foy Thibault Chaillon David J. Cantrill Pierre Maurizot Dominique Cluzel Porter P. Lowry Peter Crane Jean-Jacques Bahain Pierre Voinchet Hervé Jourdan Philippe Grandcolas André Nel
author_sort	Romain Garrouste
title	New fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia
title_short	New fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia
title_full	New fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia
title_fullStr	New fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia
title_full_unstemmed	New fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia
title_sort	new fossil discoveries illustrate the diversity of past terrestrial ecosystems in new caledonia
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5b0a6c7cd97f477e85ec3318b2c8a385
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New fossil discoveries illustrate the diversity of past terrestrial ecosystems in New Caledonia

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