Earth Sciences

A rare oasis effect for forage fauna in oceanic eddies at the global scale

A. Receveur, C. Menkes, et al.

Discover the intricate relationship between oceanic eddies and marine life as this groundbreaking study analyzes 999 eddies globally, revealing that only a fraction creates a true oasis for forage fauna. Conducted by a team of experts including Aurore Receveur and Christophe Menkes, this research sheds light on the dynamic effects of eddies on ocean ecosystems.

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Playback language: English

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Abstract

Oceanic eddies are believed to concentrate marine life. This study examines the response of forage fauna to eddies using shipboard acoustics data from 999 eddies globally. While eddies impact surface temperatures and phytoplankton, only 13% show significant effects on forage fauna, with only 6% exhibiting an oasis effect. The oasis effect occurs in both anticyclonic and cyclonic eddies, marked by high eddy amplitude and strong water-mass trapping. This highlights the complex nature of eddy aggregation and the need for further research.

Publisher

Nature Communications

Published On

Jun 06, 2024

Authors

Aurore Receveur, Christophe Menkes, Matthieu Lengaigne, Alejandro Ariza, Arnaud Bertrand, Cyril Dutheil, Sophie Cravatte, Valérie Allain, Laure Barbin, Anne Lebourges-Dhaussy, Patrick Lehodey, Simon Nicol

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