Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Ciliate (Photo : Fabien Lombard)
Elephant seal equipped with a sensor
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)
Surface chlorophyll a concentration in the Mediterranean Sea.
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Rosette for collecting seawater samples
Annelid worm (Photo : Fabien Lombard)
Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.
Drifting profiling floats in the Atlantic