Marine heatwaves modulate food webs and carbon transport processes

Mariana B. Bif (), Colleen T. E. Kellogg, Yibin Huang, Julia Anstett, Sachia Traving, M. Angelica Peña, Steven J. Hallam and Kenneth S. Johnson
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Mariana B. Bif: Monterey Bay Aquarium Research Institute (MBARI)
Colleen T. E. Kellogg: Hakai Institute
Yibin Huang: Xiamen University
Julia Anstett: University of British Columbia
Sachia Traving: University of Southern Denmark
M. Angelica Peña: Fisheries and Oceans Canada
Steven J. Hallam: University of British Columbia
Kenneth S. Johnson: Monterey Bay Aquarium Research Institute (MBARI)

Nature Communications, 2025, vol. 16, issue 1, 1-12

Abstract: 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

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-63605-w

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DOI: 10.1038/s41467-025-63605-w

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