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.
Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)
Ctenaria Beroe ovata (Photo : Fabien Lombard)
Dinoflagellate Ceratium furca (Photo : Sophie Marro)
Annelid worm (Photo : Fabien Lombard)
Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana
Drifting profiling floats in the Atlantic
Siphonophores (Photo : Fabien Lombard)
Foraminifera Orbulina universa and mollusk larva (Photo : Fabien Lombard)
Amphipode crustacean (Photo : Fabien Lombard)
Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Carte de la camapagne du navire oceanographique James COOK
Le trajet du bateau sur fond couleur de la mer.
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)
Coccolithophore (Photo : Sophie Marro)
Dinoflagellate Ceratium fusus (Photo : Sophie Marro)