Sea Urchin - Planktonic Origins Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Foraminifera Orbulina universa and mollusk larva (Photo : Fabien Lombard)
Mollusk (Photo : Fabien Lombard)
Elephant seal equipped with a sensor
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium fusus (Photo : Sophie Marro)
Dinoflagellate Ceratium carriense var volans (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)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)
Carte bathymétrique mondiale
World ocean currents map
Surface chlorophyll a concentration in the global ocean.