Diatom species Odontella mobiliensis(Photo : Sophie Marro)
Diatom genus Chaetoceros(Photo : Sophie Marro)
Diatom genus Rhizosolenia (Photo : Sophie Marro)
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.
Foraminifera (Photo : Fabien Lombard)
Annelid worm (Photo : Fabien Lombard)
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)
Dinoflagellate Ceratium extensum(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)
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)
Diatoms - Life in glass houses Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.
Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)
Appendiculaires - Ils vivent dans leurs filets L’appendiculaire, proche ancêtre des vertébrés, fabrique des logettes aux filtres délicats à la fois résidence et filet de pêche.