Changes in the composition of marine and sea-ice diatoms derived from sedimentary ancient DNA of the eastern Fram Strait over the past 30&thinsp;000 years

Zimmermann, Heike H.; Stoof-Leichsenring, Kathleen R.; Kruse, Stefan; Müller, Juliane; Stein, Ruediger; Tiedemann, Ralf; Herzschuh, Ulrike

doi:https://doi.org/10.5194/os-16-1017-2020

Articles | Volume 16, issue 5

https://doi.org/10.5194/os-16-1017-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/os-16-1017-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 5

Research article

|

07 Sep 2020

Research article |

| 07 Sep 2020

Changes in the composition of marine and sea-ice diatoms derived from sedimentary ancient DNA of the eastern Fram Strait over the past 30 000 years

Heike H. Zimmermann, Kathleen R. Stoof-Leichsenring, Stefan Kruse, Juliane Müller, Ruediger Stein, Ralf Tiedemann, and Ulrike Herzschuh

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Final revised paper (published on 07 Sep 2020)
Supplement to the final revised paper
Preprint (discussion started on 11 Nov 2019)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Review of Zimmermann et al.', Jessica Louise Ray, 03 Jan 2020
- AC1: 'Answers to os-2019-113_RC1', Heike Hildegard Zimmermann, 23 May 2020
SC1: 'Comments on Zimmermann et al.', Henriette Marie Kolling, 26 Feb 2020
- AC3: 'Answers to os-2019-113_SC1', Heike Hildegard Zimmermann, 23 May 2020
RC2: 'Review comments for Zimmerman et al.', John B. Kirkpatrick, 15 Apr 2020
- AC2: 'Answers to os-2019-113_RC2', Heike Hildegard Zimmermann, 23 May 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Heike Hildegard Zimmermann on behalf of the Authors (16 Jun 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (11 Jul 2020) by Yuelu Jiang

ED: Publish as is (20 Jul 2020) by Yuelu Jiang

Short summary

This study targets high-resolution, diatom-specific sedimentary ancient DNA using a DNA metabarcoding approach. Diatom DNA has been preserved with substantial taxonomic richness in the eastern Fram Strait over the past 30 000 years with taxonomic composition being dominated by cold-water and sea-ice-associated diatoms. Taxonomic reorganisations took place after the Last Glacial Maximum and after the Younger Dryas. Peak proportions of pennate diatoms might indicate past sea-ice presence.