Biogeosciences
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Articles | Volume 12, issue 15
Articles | Volume 12, issue 15
https://doi.org/10.5194/bg-12-4751-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-4751-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 15
Research article
 | 
07 Aug 2015
Research article |  | 07 Aug 2015

Nitrogen fixation and the diazotroph community in the temperate coastal region of the northwestern North Pacific

T. Shiozaki, T. Nagata, M. Ijichi, and K. Furuya

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Short summary
We found that nitrogen fixation can proceed at high rates, depending on the season, in the temperate coastal region of the northwestern North Pacific. nifH sequences were omnipresent and recovered throughout the year. UCYN-A was a major diazotroph during summer, whereas Trichodesmium was abundant during fall, despite low temperatures. The Cluster III diazotrophs, putative anaerobic bacteria, were found at the surface throughout the year.
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