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Marine heatwaves modulate food webs and carbon transport processes

Author

Listed:
  • Mariana B. Bif

    (Monterey Bay Aquarium Research Institute (MBARI)
    Atmospheric and Earth Sciences)

  • Colleen T. E. Kellogg

    (Hakai Institute)

  • Yibin Huang

    (Xiamen University)

  • Julia Anstett

    (University of British Columbia
    University of British Columbia)

  • Sachia Traving

    (University of Southern Denmark)

  • M. Angelica Peña

    (Fisheries and Oceans Canada)

  • Steven J. Hallam

    (University of British Columbia
    University of British Columbia
    University of British Columbia
    University of British Columbia)

  • Kenneth S. Johnson

    (Monterey Bay Aquarium Research Institute (MBARI))

Abstract

Marine heatwave (MHW) impacts on ecosystem functions and services remain poorly constrained due to limited time-resolved datasets integrating physical, chemical, and biological parameters at relevant scales. Here we show that combining over a decade of autonomous Biogeochemical (BGC)-Argo float measurements with water-column plankton community profiles reveals the impacts of MHWs on particulate organic carbon (POC) production, transformation, and transport in the northeastern subarctic Pacific Ocean. POC concentrations are exceptionally high during the 2015 and 2019 MHWs, linked to detritus enrichment and shifts in plankton community structure. Instead of being rapidly exported to depth, particles

Suggested Citation

  • Mariana B. Bif & Colleen T. E. Kellogg & Yibin Huang & Julia Anstett & Sachia Traving & M. Angelica Peña & Steven J. Hallam & Kenneth S. Johnson, 2025. "Marine heatwaves modulate food webs and carbon transport processes," Nature Communications, Nature, vol. 16(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-63605-w
    DOI: 10.1038/s41467-025-63605-w
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