Average chlorophyll concentration in the surface ocean (from mi-September 1997 to August 2007) from the ocean color sensor SeaWiFS (NASA). Subtropical gyres, in the center of the oceanic basins, are characterized by very low concentrations of chlorophyll a (dark blue) - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Mollusk (Photo : Fabien Lombard)
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)
Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Diatom genus Rhizosolenia (Photo : Sophie Marro)
Instrumented buoy (Photo : David Luquet)
Instrumented buoy (Photo : David Luquet)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
Acantharia (Photo : Fabien Lombard)
Ciliate (Photo : Fabien Lombard)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Radiolarians (Photo : Fabien Lombard)
Instrumented buoy (Photo : Emilie Diamond)
Instrumented buoy (Photo : Emilie Diamond)
Instrumented buoy (Photo : Emilie Diamond)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni