The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Underwater glider (Photo : David Luquet)
Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)
Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.
Acantharia (Photo : Fabien Lombard)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Vue sous-marine d'un groupe de mésocosmes (© Stareso)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Illustration in synthesized images of the seasons of the ocean: a year from the Arctic - Animation Clement Fontana
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Instrumented buoy (Photo : David Luquet)
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.
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)
Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)
Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
