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dc.contributor.authorAnbar, Ariel D.
dc.contributor.authorKnoll, Andrew
dc.date.accessioned2009-05-19T18:58:42Z
dc.date.issued2002
dc.identifier.citationAnbar, Ariel D., and Andrew H. Knoll. 2002. Proterozoic ocean chemistry and evolution: A bioinorganic bridge? Science 297, no. 5584: 1137-1142.en
dc.identifier.issn0193-4511en
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:2961253
dc.description.abstractRecent data imply that for much of the Proterozoic Eon (2500 to 543 million years ago), Earth's oceans were moderately oxic at the surface and sulfidic at depth. Under these conditions, biologically important trace metals would have been scarce in most marine environments, potentially restricting the nitrogen cycle, affecting primary productivity, and limiting the ecological distribution of eukaryotic algae. Oceanic redox conditions and their bioinorganic consequences may thus help to explain observed patterns of Proterozoic evolution.en
dc.description.sponsorshipOrganismic and Evolutionary Biologyen
dc.language.isoen_USen
dc.publisherAmerican Association for the Advancement of Scienceen
dc.relation.isversionofhttp://dx.doi.org/10.1126/science.1069651en
dash.licenseMETA_ONLY
dc.titleProterozoic Ocean Chemistry and Evolution: A Bioinorganic Bridge?en
dc.relation.journalScienceen
dash.depositing.authorKnoll, Andrew
dash.embargo.until10000-01-01
dc.identifier.doi10.1126/science.1069651*
dash.contributor.affiliatedKnoll, Andrew


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