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)
Les Dinoflagellés - Ceratium gravidum
Ceratium gravidum dont en voit parfaitement les mouvements d’un des deux flagelles.
Instrumented buoy (Photo : David Luquet)
Siphonophore (Photo : Fabien Lombard)
Profiling float (Photo : David Luquet)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Jellyfish Pelagia noctilica (Photo : Fabien Lombard)
Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
The research vessel "Marion Dufresne"
The various components of a profiling float type PROVOR
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
The research vessel "James COOK"
