Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)
Elephant seal equipped with a sensor
Rosette for collecting seawater samples
Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)
Coccolithophore (Photo : Sophie Marro)
Crab Zoea larva (Photo : Fabien Lombard)
Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)
The research vessel "James COOK"
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)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Surface chlorophyll a concentration in the Mediterranean Sea.
Dinoflagellés Ceratium massiliense var protuberans (Photo : Sophie Marro)
Les Diatomées - Bacillaria
Colonie de diatomées du genre Bacillaria dont les individus peuvent glisser les uns par rapport aux autres.
Instrumented buoy (Photo : David Luquet)
Instrumented buoy (Photo : David Luquet)
