Ocean Science
Ocean Science
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Articles | Volume 21, issue 4
Articles | Volume 21, issue 4
https://doi.org/10.5194/os-21-1833-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-21-1833-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 4
Research article
 | 
29 Aug 2025
Research article |  | 29 Aug 2025

Cross-canyon variability in zooplankton backscattering strength in a river-influenced upwelling area

Macarena Díaz-Astudillo, Manuel I. Castillo, Pedro A. Figueroa, Leonardo R. Castro, Ramiro Riquelme-Bugueño, Iván Pérez-Santos, Oscar Pizarro, and Gonzalo S. Saldías

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Short summary
Submarine canyons are known hotspots of marine productivity and biodiversity, but we do not fully understand why. We studied a submarine canyon located in central Chile and found that it is a highly dynamic environment in both space and time. We think that the alternating currents and the contrasting distribution of zooplankton within the canyon might interact to promote zooplankton retention. Our results help to explain why submarine canyons host such high zooplankton diversity and abundance.
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