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Research Article

Biological Feedbacks as Cause and Demise of Neoproterozoic Icehouse: Astrobiological Prospects for Faster Evolution and Importance of Cold Conditions

  • Pekka Janhunen mail,

    To whom correspondence should be addressed. E-mail: pekka.janhunen@fmi.fi

    Affiliations: Department of Physical Sciences, University of Helsinki, Helsinki, Finland, Finnish Meteorological Institute, Space Research, Helsinki, Finland

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  • Hermanni Kaartokallio,

    Affiliation: Finnish Institute of Marine Research, Helsinki, Finland

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  • Ilona Oksanen,

    Affiliations: Department of Applied Chemistry and Microbiology, University of Helsinki, Helsinki, Finland, Department of Botany, University of Stockholm, Stockholm, Sweden

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  • Kirsi Lehto,

    Affiliations: Nordic Institute for Theoretical Physics (NORDITA), Copenhagen, Denmark, Department of Biology, University of Turku, Turku, Finland

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  • Harry Lehto

    Affiliations: Nordic Institute for Theoretical Physics (NORDITA), Copenhagen, Denmark, Tuorla Observatory, University of Turku, Turku, Finland

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  • Published: February 14, 2007
  • DOI: 10.1371/journal.pone.0000214

Reader Comments (6)

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New references for rise of O2

Posted by pjanhune on 20 Mar 2007 at 07:55 GMT

high level of atmospheric O2
http://plosone.org/article/info:doi/10.1371/journal.pone.0000214#article1.body1.sec2.p6

For new estimates of the schedule of O2 rising, see Canfield et al., Late-Neoproterozoic deep-ocean oxygenation and the rise of animal life, Science 315, 92-95, 2007, and Fike et al., Oxidation of the Ediacaran ocean, Nature 444, 744-747, 2006.