The final section of environmental work concerned the particle flux from the surface to the seabed, which was measured using sediment traps that had been deployed at various heights above the seabed for 12 months.
Enfin, les travaux concernant l &apos; environnement ont porté sur le flux de particules allant de la surface au fond, qui se mesure à l &apos; aide de pièges à sédiment suspendus à diverses profondeurs pendant 12 mois.