Biogeosciences
Biogeosciences
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Articles | Volume 13, issue 21
Articles | Volume 13, issue 21
https://doi.org/10.5194/bg-13-6031-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-6031-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13, issue 21
Research article
 | 
03 Nov 2016
Research article |  | 03 Nov 2016

Microbial communities and their predicted metabolic characteristics in deep fracture groundwaters of the crystalline bedrock at Olkiluoto, Finland

Malin Bomberg, Tiina Lamminmäki, and Merja Itävaara

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Short summary
Over 95 % of the microbial communities in isolated groundwater in Olkiluoto bedrock, Finland, is composed of only a few common species. The remaining rare microbiome contains over 3- and 6-fold more microbial diversity. The rare microbiome is an unlimited source of genomic functionality in the ecosystem. These microorganisms can respond to change caused by physical or biological factors that may lead to alterations in the diversity and function of the microbial communities in crystalline bedrock.
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