Articles | Volume 18, issue 22
Biogeosciences, 18, 5929–5965, 2021
https://doi.org/10.5194/bg-18-5929-2021
Biogeosciences, 18, 5929–5965, 2021
https://doi.org/10.5194/bg-18-5929-2021

Research article 22 Nov 2021

Research article | 22 Nov 2021

Pyrite-lined shells as indicators of inefficient bioirrigation in the Holocene–Anthropocene stratigraphic record

Adam Tomašových 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-2021-153', Lidya Tarhan, 28 Jul 2021
  • RC2: 'Comment on bg-2021-153', Anonymous Referee #2, 06 Aug 2021
  • RC3: 'Comment on bg-2021-153', Carlton Brett, 27 Aug 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (26 Sep 2021) by Aninda Mazumdar
AR by Adam Tomašových on behalf of the Authors (06 Oct 2021)  Author's response
ED: Referee Nomination & Report Request started (11 Oct 2021) by Aninda Mazumdar
RR by Lidya Tarhan (07 Nov 2021)
ED: Publish as is (09 Nov 2021) by Aninda Mazumdar
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Short summary
The timescale of mixing and irrigation of sediments by burrowers that affect biogeochemical cycles is difficult to estimate in the stratigraphic record. We show that pyrite linings in molluscan shells preserved below the mixed layer represent a signature of limited bioirrigation. We document an increase in the frequency of pyrite-lined shells in cores collected in the northern Adriatic Sea, suggesting that bioirrigation rates significantly declined during the late 20th century.
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