Surface chlorophyll a concentration in the global ocean.

Stickers & Goodies

Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)

Larva of decapod crustacean  (Photo : Fabien Lombard)

Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)

Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)

Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)

Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)

Acantharia (Photo : Fabien Lombard)

Profiling float (Photo : David Luquet)

Underwater glider (Photo : David Luquet)

Instrumented buoy (Photo : David Luquet)

Ctenaria Beroe ovata  (Photo : Fabien Lombard)

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

Krill (Photo : Fabien Lombard)

Dinoflagellate Ceratium fusus (Photo : Sophie Marro)

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)