Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish

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dc.contributor.authorDahl, Tais W.en
dc.contributor.authorHammarlund, Emma U.en
dc.contributor.authorAnbar, Ariel D.en
dc.contributor.authorBond, David P. G.en
dc.contributor.authorGill, Benjamin C.en
dc.contributor.authorGordon, Gwyneth W.en
dc.contributor.authorKnoll, Andrew H.en
dc.contributor.authorNielsen, Arne T.en
dc.contributor.authorSchovsbo, Niels H.en
dc.contributor.authorCanfield, Donald E.en
dc.date.accessioned2023-01-04T20:11:44Zen
dc.date.available2023-01-04T20:11:44Zen
dc.date.issued2010en
dc.date.updated2023-01-04T04:04:46Zen
dc.description.abstractThe evolution of Earth's biota is intimately linked to the oxygenation of the oceans and atmosphere. We use the isotopic composition and concentration of molybdenum (Mo) in sedimentary rocks to explore this relationship. Our results indicate two episodes of global ocean oxygenation. The first coincides with the emergence of the Ediacaran fauna, including large, motile bilaterian animals, ca. 550-560 million year ago (Ma), reinforcing previous geochemical indications that Earth surface oxygenation facilitated this radiation. The second, perhaps larger, oxygenation took place around 400 Ma, well after the initial rise of animals and, therefore, suggesting that early metazoans evolved in a relatively low oxygen environment. This later oxygenation correlates with the diversification of vascular plants, which likely contributed to increased oxygenation through the enhanced burial of organic carbon in sediments. It also correlates with a pronounced radiation of large predatory fish, animals with high oxygen demand. We thereby couple the redox history of the atmosphere and oceans to major events in animal evolution.en
dc.description.versionPublished versionen
dc.format.extentPages 17911-17915en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1073/pnas.1011287107en
dc.identifier.eissn1091-6490en
dc.identifier.issn0027-8424en
dc.identifier.issue42en
dc.identifier.orcidGill, Benjamin [0000-0001-7402-0811]en
dc.identifier.other1011287107 (PII)en
dc.identifier.pmid20884852en
dc.identifier.urihttp://hdl.handle.net/10919/113035en
dc.identifier.volume107en
dc.language.isoenen
dc.publisherNational Academy of Sciencesen
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000283184800015&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectPhanerozoicen
dc.subjectmolybdenumen
dc.subjectblack shaleen
dc.subjectocean oxygenationen
dc.subjectpaleocean redoxen
dc.subjectPALEOZOIC BLACK SHALESen
dc.subjectPROTEROZOIC OCEANen
dc.subjectPHANEROZOIC TIMEen
dc.subjectISOTOPE RECORDSen
dc.subjectEDIACARAN OCEANen
dc.subjectNEW-MODELen
dc.subjectSULFURen
dc.subjectSEDIMENTSen
dc.subjectCHEMISTRYen
dc.subject.meshAnimalsen
dc.subject.meshFishesen
dc.subject.meshPlantsen
dc.subject.meshOxygenen
dc.subject.meshPredatory Behavioren
dc.subject.meshAtmosphereen
dc.titleDevonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fishen
dc.title.serialProceedings of the National Academy of Sciencesen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherJOURen
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Scienceen
pubs.organisational-group/Virginia Tech/Science/Geosciencesen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Science/COS T&R Facultyen

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