Dinoflagellés Ceratium massiliense var protuberans (Photo : Sophie Marro)

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)

Ctenaria Beroe ovata  (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)

Profiling float (Photo : David Luquet)

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

Foraminifera Orbulina universa  and mollusk larva (Photo : Fabien Lombard)

Crab larva (Photo : Fabien Lombard)

Surface chlorophyll a concentration in the Mediterranean Sea.

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)

Diatom genus Hemiaulus (Photo : Sophie Marro)

Elephant seal equipped with a sensor

Colony of salps Salpa fusiformis (Photo : Fabien Lombard)

Carte de la camapagne du navire oceanographique James COOK

Le trajet du bateau sur fond couleur de la mer.