Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Copepode Sapphirina iris (Photo : Fabien Lombard)
Remote-controlled sailboat
Acantharia (Photo : Fabien Lombard)
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Rosette for collecting seawater samples
Instrumented buoy (Photo : David Luquet)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Mollusk (Photo : Fabien Lombard)
Carte bathymétrique mondiale
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)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
Elephant seal equipped with a sensor
Profiling float (Photo : David Luquet)
Copepode Coryceide (Photo : Fabien Lombard)
Les Dinoflagellés - Ceratium gravidum
Ceratium gravidum dont en voit parfaitement les mouvements d’un des deux flagelles.
