Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
Instrumented buoy (Photo : David Luquet)
Pleurobrachia
Propulsées par huit rangées de peignes, les groseilles de mer déploient deux longs tentacules pour pêcher des crustacés.
Les Diatomées - Bacillaria
Colonie de diatomées du genre Bacillaria dont les individus peuvent glisser les uns par rapport aux autres.
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
Remote-controlled sailboat
The various components of a profiling float type PROVOR
Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)
Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.
Les mésocosmes déployés dans la rade de Villefranche (© L. Maugendre, LOV)
Jellyfish Aequorea aequorea (Photo : Fabien Lombard)
Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Instrumented buoy (Photo : David Luquet)
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
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)
