Articles | Volume 17, issue 23
https://doi.org/10.5194/bg-17-5953-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-5953-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
02 Dec 2020
Research article |
| 02 Dec 2020
| 02 Dec 2020
Diversity and distribution of nitrogen fixation genes in the oxygen minimum zones of the world oceans
Department of Geosciences,
Princeton University,
Princeton, NJ 08544, USA
Bess B. Ward
Department of Geosciences,
Princeton University,
Princeton, NJ 08544, USA
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Short summary
Diversity and community composition of nitrogen-fixing microbes in the three main oxygen minimum zones of the world ocean were investigated using nifH clone libraries. Representatives of three main clusters of nifH genes were detected. Sequences were most diverse in the surface waters. The most abundant OTUs were affiliated with Alpha- and Gammaproteobacteria. The sequences were biogeographically distinct and the dominance of a few OTUs was commonly observed in OMZs in this (and other) studies.
Diversity and community composition of nitrogen-fixing microbes in the three main oxygen minimum...
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