Articles | Volume 18, issue 12
Biogeosciences, 18, 3733–3749, 2021
https://doi.org/10.5194/bg-18-3733-2021
Biogeosciences, 18, 3733–3749, 2021
https://doi.org/10.5194/bg-18-3733-2021

Research article 22 Jun 2021

Research article | 22 Jun 2021

Hydrographic fronts shape productivity, nitrogen fixation, and microbial community composition in the southern Indian Ocean and the Southern Ocean

Cora Hörstmann et al.

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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-2021-52', Anonymous Referee #1, 17 Apr 2021
    • AC1: 'Reply on RC1', Cora Hörstmann, 05 May 2021
  • RC2: 'Comment on bg-2021-52', Anonymous Referee #2, 27 Apr 2021
    • AC2: 'Reply on RC2', Cora Hörstmann, 05 May 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (07 May 2021) by Koji Suzuki
AR by Cora Hörstmann on behalf of the Authors (09 May 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (24 May 2021) by Koji Suzuki
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Short summary
Microbes are the main drivers of productivity and nutrient cycling in the ocean. We present a combined approach assessing C and N uptake and microbial community diversity across ecological provinces in the Southern Ocean and southern Indian Ocean. Provinces showed distinct genetic fingerprints, but microbial activity varied gradually across regions, correlating with nutrient concentrations. Our study advances the biogeographic understanding of microbial diversity across C and N uptake regimes.
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