Articles | Volume 17, issue 1
Biogeosciences, 17, 35–45, 2020
https://doi.org/10.5194/bg-17-35-2020
Biogeosciences, 17, 35–45, 2020
https://doi.org/10.5194/bg-17-35-2020

Research article 03 Jan 2020

Research article | 03 Jan 2020

Arctic (Svalbard islands) active and exported diatom stocks and cell health status

Susana Agustí et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (14 Feb 2019) by Koji Suzuki
AR by Anna Wenzel on behalf of the Authors (22 Feb 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (02 Mar 2019) by Koji Suzuki
RR by Anonymous Referee #1 (15 Mar 2019)
RR by Anonymous Referee #2 (23 Mar 2019)
ED: Reconsider after major revisions (08 Apr 2019) by Koji Suzuki
AR by Susana Agustí on behalf of the Authors (12 May 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (25 May 2019) by Koji Suzuki
RR by Anonymous Referee #3 (19 Jul 2019)
ED: Reconsider after major revisions (02 Aug 2019) by Koji Suzuki
AR by Susana Agustí on behalf of the Authors (28 Aug 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (05 Sep 2019) by Koji Suzuki
RR by Anonymous Referee #3 (02 Oct 2019)
ED: Publish subject to technical corrections (18 Oct 2019) by Koji Suzuki

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Susana Agustí on behalf of the Authors (19 Nov 2019)   Author's adjustment   Manuscript
EA: Adjustments approved (24 Nov 2019) by Koji Suzuki
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Short summary
We found that 24 % of the total diatoms community in the Arctic water column (450 m depth) was located below the photic layer. Healthy diatom communities in active spring–bloom stages remained in the photic layer. Dying diatom communities exported a large fraction of the biomass to the aphotic zone, fuelling carbon sequestration and benthic ecosystems in the Arctic. The results of the study conform to a conceptual model where diatoms grow during the bloom until silicic acid stocks are depleted.
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