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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

About the Authors

Pekka Janhunen
Department of Physical Sciences, University of Helsinki, Helsinki, Finland
Pekka Janhunen
Finnish Meteorological Institute, Space Research, Helsinki, Finland
Hermanni Kaartokallio
Finnish Institute of Marine Research, Helsinki, Finland
Ilona Oksanen
Department of Applied Chemistry and Microbiology, University of Helsinki, Helsinki, Finland
Ilona Oksanen
Department of Botany, University of Stockholm, Stockholm, Sweden
Kirsi Lehto, Harry Lehto
Nordic Institute for Theoretical Physics (NORDITA), Copenhagen, Denmark
Kirsi Lehto
Department of Biology, University of Turku, Turku, Finland
Harry Lehto
Tuorla Observatory, University of Turku, Turku, Finland

Corresponding Author

Email: pekka.janhunen@fmi.fi

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: PJ. Wrote the paper: PJ HK IO KL HL.