Gallery Trajectories of particles back-tracked from ghost nets beachings in the MaldivesDensity map of particles back-tracked from tuna larvae collected points (black stars) in the Banda Sea, IndonesiaTrajectories of a set of particles starting from the same location and time using 3D advection and horizontal diffusionMaps of average density for virtual larvae released atdifferent locations and for different PLDs (Crochelet et al., 2020)