Dinoflagellate Ceratium reflexum (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)
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Diatom species Odontella mobiliensis (Photo : Sophie Marro)
Jellyfish Pelagia noctilica (Photo : Fabien Lombard)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.
Les Dinoflagellés - Ceratium gravidum
Ceratium gravidum dont en voit parfaitement les mouvements d’un des deux flagelles.
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.
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)
Siphonophores (Photo : Fabien Lombard)
Instrumented buoy (Photo : Emilie Diamond)
