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)
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)
Crab Zoea larva (Photo : Fabien Lombard)
Radiolarians (Photo : Fabien Lombard)
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Underwater glider (Photo : David Luquet)
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Acantharia (Photo : Fabien Lombard)
Drifting profiling floats in the Atlantic
Jellyfish Aequorea aequorea (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.
Copepode Coryceide (Photo : Fabien Lombard)