Les Dinoflagellés - Ceratium hexacanthum chaîne de Ceratium hexacanthum qui restent les uns à la suites des autres au fur et à mesure des divisions. Le mouvement des flagelles est bien visible.
Sea Urchin - Planktonic Origins Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)
Ciliate(Photo : Fabien Lombard)
Dinoflagellate Ceratium extensum(Photo : Sophie Marro)
Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
Annelid worm (Photo : Fabien Lombard)
Tunicata Pyrosoma (Photo : Fabien Lombard)
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)
Gelatinous plankton salpes and Beroe(Photo : Fabien Lombard)
Large rosette sampler used in the "World Ocean Circulation Experiment". This rosette has 36 10-liter Niskin bottles, an acoustic pinger (lower left), an "LADCP" current profiler (yellow long tube at the center), a CTD (horizontal instrument at the bottom), and transmissometer (yellow short tube at the center). (Photo : L. Talley)
