Biogeosciences
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Articles | Volume 22, issue 16
Articles | Volume 22, issue 16
https://doi.org/10.5194/bg-22-4035-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-4035-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 16
Research article
 | 
22 Aug 2025
Research article |  | 22 Aug 2025

Decreasing foraminiferal flux in response to ongoing climate change in the Santa Barbara Basin, California

Emily Havard, Katherine Cherry, Claudia Benitez-Nelson, Eric Tappa, and Catherine V. Davis

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Short summary
This study explores the impact of modern climate change on single-celled, marine organisms in the Santa Barbara Basin called foraminifera. We collect their shells as they sink to the seafloor and compare our record (2014–2021) to previous studies (1993–1998). We find substantial decreases in total foraminifera and warm-water species. Likely influenced by ocean acidification and regional water circulation, these changes have implications for the marine carbon cycle, ecosystem, and fossil record.
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