MERCATOR OCEAN JOURNA: 
SEPTEMBER 2021 
ACKNOWLEDGEMENTS 
All the work presented in this article would not have been possible without the invaluable contribution made by: Javier 
Alonso Concha, Michela Sammartino, Marco Bracaglia, Mario Benincasa and Flavio La Padula (CNR); Odile Hembise Fanton 
d’Andon and Marine Bretagnon (ACRI); Silvia Pardo, Thomas Jackson and Ben Howey (PML); Jenni Attila, Seppo Kaitala and 
Sampsa Koponen (SYKE); Joäo Felipe Cardoso Dos Santos and Quinten Vanhellemont (RBINS); Martin Böttcher and Carole 
Lebreton (BC): and Sindy Sterxck (VITO). 
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