Articles | Volume 16, issue 21
https://doi.org/10.5194/bg-16-4183-2019
https://doi.org/10.5194/bg-16-4183-2019
Research article
 | 
06 Nov 2019
Research article |  | 06 Nov 2019

Organic-carbon-rich sediments: benthic foraminifera as bio-indicators of depositional environments

Elena Lo Giudice Cappelli, Jessica Louise Clarke, Craig Smeaton, Keith Davidson, and William Edward Newns Austin

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (17 Sep 2019) by Hiroshi Kitazato
AR by Elena Lo Giudice Cappelli on behalf of the Authors (18 Sep 2019)  Author's response   Manuscript 
ED: Publish as is (25 Sep 2019) by Hiroshi Kitazato
AR by Elena Lo Giudice Cappelli on behalf of the Authors (02 Oct 2019)  Manuscript 
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Short summary
Fjords are known sinks of organic carbon (OC); however, little is known about the long-term fate of the OC stored in these sediments. The reason for this knowledge gap is the post-depositional degradation of OC. This study uses benthic foraminifera (microorganisms with calcite shells) to discriminate between post-depositional OC degradation and actual OC burial and accumulation in fjordic sediments, as foraminifera would only preserve the latter information in their assemblage composition.
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