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)
Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Jellyfish Aequorea aequorea (Photo : Fabien Lombard)
Foraminifera Orbulina universa and mollusk larva (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Appendicularia Oikopleura dioica (Photo : Fabien Lombard)
Siphonophore Forskalia formosa (Photo : Fabien Lombard)
Annelid worm (Photo : Fabien Lombard)
Dinoflagellate Ceratium carriense var volans (Photo : Sophie Marro)
Mollusk (Photo : Fabien Lombard)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Instrumented buoy (Photo : Emilie Diamond)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Remote-controlled sailboat
