Articles | Volume 19, issue 11
Biogeosciences, 19, 2939–2952, 2022
https://doi.org/10.5194/bg-19-2939-2022
Biogeosciences, 19, 2939–2952, 2022
https://doi.org/10.5194/bg-19-2939-2022
Research article
16 Jun 2022
Research article | 16 Jun 2022

Controlling factors on the global distribution of a representative marine non-cyanobacterial diazotroph phylotype (Gamma A)

Zhibo Shao and Ya-Wei Luo

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-349', Anonymous Referee #1, 23 Jan 2022
    • AC2: 'Reply on RC1', Zhibo Shao, 03 Mar 2022
  • RC2: 'Comment on bg-2021-349', Anonymous Referee #2, 26 Jan 2022
    • AC1: 'Reply on RC2', Zhibo Shao, 03 Mar 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (07 Mar 2022) by Koji Suzuki
AR by Zhibo Shao on behalf of the Authors (09 Mar 2022)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (16 Mar 2022) by Koji Suzuki
RR by Anonymous Referee #2 (27 Apr 2022)
RR by Anonymous Referee #3 (07 May 2022)
ED: Reconsider after major revisions (07 May 2022) by Koji Suzuki
AR by Zhibo Shao on behalf of the Authors (13 May 2022)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (14 May 2022) by Koji Suzuki
RR by Anonymous Referee #3 (27 May 2022)
ED: Publish as is (31 May 2022) by Koji Suzuki
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Short summary
Non-cyanobacterial diazotrophs (NCDs) may be an important player in fixing N2 in the ocean. By conducting meta-analyses, we found that a representative marine NCD phylotype, Gamma A, tends to inhabit ocean environments with high productivity, low iron concentration and high light intensity. It also appears to be more abundant inside cyclonic eddies. Our study suggests a niche differentiation of NCDs from cyanobacterial diazotrophs as the latter prefers low-productivity and high-iron oceans.
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