%0 Book Section %9 OS CH : Chapitres d'ouvrages scientifiques %A Echevin, Vincent %T The variability of upwellings %B Our shared ocean : science in the Global South for a sustainable world %C Marseille %D 2025 %E Duvail, Stéphanie %E Herrmann, Marine %E Lévy, Marina %E Pringault, Olivier %E Guedj, Catherine %E Lavagne, Corinne %E Portal-Cabanel, J. %E Rechner, Daïna %E Sabrié, Marie-Lise %L fdi:010094086 %G ENG %I IRD %@ 978-2-7099-3070-3 %K ATLANTIQUE ; SENEGAL ; PACIFIQUE ; PEROU %P 32-33 %U https://www.documentation.ird.fr/hor/fdi:010094086 %> https://horizon.documentation.ird.fr/exl-doc/pleins_textes/2025-07/010094086.pdf %W Horizon (IRD) %X Upwelling systems are areas where cold, nutrient-rich water rises, which contains high numbers of fish and is important for fisheries. But their productivity varies from year to year. Where do these fluctuations come from ? %S Grands Enjeux %$ 030OCECAM ; 034BIOVEG02