Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)
Carte bathymétrique mondiale
Instrumented buoy (Photo : David Luquet)
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)
Salpes - La vie enchaînée
Bien que d’apparence primitive, les salpes sont de proches ancêtres des poissons. Lorsque les algues abondent, les salpes prolifèrent en de longues chaînes d’individus clonés.
Carte bathymétrique de la Mer Méditerranée
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 ranipes grd mains (Photo : Sophie Marro)
Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
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.
Colony of salps Salpa fusiformis (Photo : Fabien Lombard)
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)
