13 Microbiology of Deep-Sea Hydrothermal Vents: Lessons for Mars Exploration

  • Daniel Prieur
Part III. Aqueous Environments and the Implications for Life
Part of the Advances in Astrobiology and Biogeophysics book series (ASTROBIO, volume 4)


A large proportion of the Earth (70 %) is covered by seas and oceans. Oceanic waters below one kilometre depth constitute the deep-sea, which represents 75 % of the total volume of the oceans [20]. However, even if it was estimated that these water masses might represent 62 % of the Earth’s biosphere, ocean bottoms were regarded as low animal density ecosystems until 1977.


Hydrothermal Vent Hydrogen Sulphide Black Smoker Tube Worm Elevated Hydrostatic Pressure 
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Authors and Affiliations

  • Daniel Prieur
    • 1
  1. 1.Laboratoire de Microbiologie, des Environnements extrêmes, UMR 6197 (CNRS, UBO, IFREMER), Université de Bretagne Occidentale, Institut Universitaire Européende la Mer, Place Nicolas Copernic, Technopôle Brest-Iroise, 29280 PlouzanéFrance

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