Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

Diatom genus Hemiaulus (Photo : Sophie Marro)

Carte de la camapagne du navire oceanographique James COOK

Le trajet du bateau sur fond couleur de la mer.

Foraminifera Ruber (Photo : Fabien Lombard)

Underwater glider (Photo : David Luquet)

Phytoplankton bloom observed by the ocean color sensor MODIS onboard NASA satellite Terra in May 2010. The bloom spreads broadly in the North Atlantic from Iceland to the Bay of Biscay - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)

Surface chlorophyll a concentration in the Mediterranean Sea.

Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)

Siphonophore  Forskalia formosa (Photo : Fabien Lombard)

Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA

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)

Villefranche-sur-Mer in stormy weather, winter 2011 -  Photo : J.-M. Grisoni

Instrumented buoy (Photo : Emilie Diamond)