Ocean Science
Ocean Science
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Articles | Volume 20, issue 6
Articles | Volume 20, issue 6
https://doi.org/10.5194/os-20-1677-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-20-1677-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 6
Research article
 | 
17 Dec 2024
Research article |  | 17 Dec 2024

Contrasting two major Arctic coastal polynyas: the role of sea ice in driving diel vertical migrations of zooplankton in the Laptev and Beaufort seas

Igor A. Dmitrenko, Vladislav Petrusevich, Andreas Preußer, Ksenia Kosobokova, Caroline Bouchard, Maxime Geoffroy, Alexander S. Komarov, David G. Babb, Sergei A. Kirillov, and David G. Barber

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Short summary
The diel vertical migration (DVM) of zooplankton is one of the largest species migrations to occur globally and is a key driver of regional ecosystems. Here, time series of acoustic data collected at the circumpolar Arctic polynya system were used to examine the annual cycle of DVM. We revealed that the formation of polynya open water disrupts DVM. This disruption is attributed to a predator avoidance behavior of zooplankton in response to higher polar cod abundance attracted by the polynya.
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