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Marine ecosystem shifts with deglacial sea-ice loss inferred from ancient DNA shotgun sequencing

Author

Listed:
  • Heike H. Zimmermann

    (Polar Terrestrial Environmental Systems
    Geological Survey of Denmark and Greenland (GEUS))

  • Kathleen R. Stoof-Leichsenring

    (Polar Terrestrial Environmental Systems)

  • Viktor Dinkel

    (Polar Terrestrial Environmental Systems
    Constructor University Bremen, Computational Systems Biology)

  • Lars Harms

    (Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Data Science Support)

  • Luise Schulte

    (Polar Terrestrial Environmental Systems)

  • Marc-Thorsten Hütt

    (Constructor University Bremen, Computational Systems Biology)

  • Dirk Nürnberg

    (Ocean circulation and climate dynamics)

  • Ralf Tiedemann

    (Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Marine Geology
    University of Bremen)

  • Ulrike Herzschuh

    (Polar Terrestrial Environmental Systems
    University of Potsdam, Institute of Biochemistry and Biology
    University of Potsdam, Institute of Environmental Sciences and Geography)

Abstract

Sea ice is a key factor for the functioning and services provided by polar marine ecosystems. However, ecosystem responses to sea-ice loss are largely unknown because time-series data are lacking. Here, we use shotgun metagenomics of marine sedimentary ancient DNA off Kamchatka (Western Bering Sea) covering the last ~20,000 years. We traced shifts from a sea ice-adapted late-glacial ecosystem, characterized by diatoms, copepods, and codfish to an ice-free Holocene characterized by cyanobacteria, salmon, and herring. By providing information about marine ecosystem dynamics across a broad taxonomic spectrum, our data show that ancient DNA will be an important new tool in identifying long-term ecosystem responses to climate transitions for improvements of ocean and cryosphere risk assessments. We conclude that continuing sea-ice decline on the northern Bering Sea shelf might impact on carbon export and disrupt benthic food supply and could allow for a northward expansion of salmon and Pacific herring.

Suggested Citation

  • Heike H. Zimmermann & Kathleen R. Stoof-Leichsenring & Viktor Dinkel & Lars Harms & Luise Schulte & Marc-Thorsten Hütt & Dirk Nürnberg & Ralf Tiedemann & Ulrike Herzschuh, 2023. "Marine ecosystem shifts with deglacial sea-ice loss inferred from ancient DNA shotgun sequencing," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-36845-x
    DOI: 10.1038/s41467-023-36845-x
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    References listed on IDEAS

    as
    1. Samarpita Basu & Katherine R. M. Mackey, 2018. "Phytoplankton as Key Mediators of the Biological Carbon Pump: Their Responses to a Changing Climate," Sustainability, MDPI, vol. 10(3), pages 1-18, March.
    2. Delphine Lannuzel & Letizia Tedesco & Maria Leeuwe & Karley Campbell & Hauke Flores & Bruno Delille & Lisa Miller & Jacqueline Stefels & Philipp Assmy & Jeff Bowman & Kristina Brown & Giulia Castellan, 2020. "The future of Arctic sea-ice biogeochemistry and ice-associated ecosystems," Nature Climate Change, Nature, vol. 10(11), pages 983-992, November.
    3. Mikkel W. Pedersen & Anthony Ruter & Charles Schweger & Harvey Friebe & Richard A. Staff & Kristian K. Kjeldsen & Marie L. Z. Mendoza & Alwynne B. Beaudoin & Cynthia Zutter & Nicolaj K. Larsen & Ben A, 2016. "Postglacial viability and colonization in North America’s ice-free corridor," Nature, Nature, vol. 537(7618), pages 45-49, September.
    4. Anni Djurhuus & Collin J. Closek & Ryan P. Kelly & Kathleen J. Pitz & Reiko P. Michisaki & Hilary A. Starks & Kristine R. Walz & Elizabeth A. Andruszkiewicz & Emily Olesin & Katherine Hubbard & Enriqu, 2020. "Environmental DNA reveals seasonal shifts and potential interactions in a marine community," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
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    Cited by:

    1. M. S. Clark & J. I. Hoffman & L. S. Peck & L. Bargelloni & D. Gande & C. Havermans & B. Meyer & T. Patarnello & T. Phillips & K. R. Stoof-Leichsenring & D. L. J. Vendrami & A. Beck & G. Collins & M. W, 2023. "Multi-omics for studying and understanding polar life," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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