Instrumented buoy (Photo : David Luquet)

Vue sous-marine d'un groupe de mésocosmes (© Stareso)

Instrumented buoy (Photo : David Luquet)

Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)

Instrumented buoy (Photo : Emilie Diamond)

Ostracodes  (Photo : Fabien Lombard)

Ciliate (Photo : Fabien Lombard) 

Ctenaria Lampetia pancerina  (Photo : Fabien Lombard)

Copepode Sapphirina iris  (Photo : Fabien Lombard)

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.

Siphonophore  (Photo : Fabien Lombard)

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

Dinoflagellate Ceratium falcatum (Photo : Sophie Marro)

Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)