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Microbial provinces in the subseafloor
Schrenk, M.O.; Huber, J.A.; Edwards, K.J. (2010). Microbial provinces in the subseafloor. Ann. Rev. Mar. Sci. 2 2: 279-304
In: Carlson, C.A.; Giovannoni, S.J. (Ed.) (2010). Ann. Rev. Mar. Sci. 2. Annual Review of Marine Science, 2. Annual Reviews: Palo Alto. ISBN 978-0-8243-4502-0. 493 pp., more
In: Annual Review of Marine Science. Annual Reviews: Palo Alto. ISSN 1941-1405, more
Peer reviewed article

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Keyword
    Marine

Authors  Top 
  • Schrenk, M.O.
  • Huber, J.A.
  • Edwards, K.J.

Abstract
    The rocks and sediments of the oceanic subsurface represent a diverse mosaic of environments potentially inhabited by microorganisms. Understanding microbial ecosystems in subseafloor environments confounds standard ecological descriptions in part because we have difficulty elucidating and describing the scale of relevant processes. Habitat characteristics impact microbial activities and growth, which in turn affect microbial diversity, net production, and global biogeochemical cycles. Herein we provide descriptions of subseafloor microbial provinces, broadly defined as geologically and geographically coherent regions of the subseafloor that may serve as potential microbial habitats. The purpose of this review is to summarize and refine criteria for the definition and delineation of distinct subseafloor microbial habitats to aid in their exploration. This review and the criteria we outline aim to develop a unified framework to improve our understanding of subseafloor microbial ecology, enable quantification of geomicrobial processes, and facilitate their accurate assimilation into biogeochemical models.

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