Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.
Les Diatomées - Bacillaria
Colonie de diatomées du genre Bacillaria dont les individus peuvent glisser les uns par rapport aux autres.
Foraminifera Orbulina universa and mollusk larva (Photo : Fabien Lombard)
Remote-controlled sailboat
Ctenaria Beroe ovata (Photo : Fabien Lombard)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)
Diatom species Odontella mobiliensis (Photo : Sophie Marro)
Surface chlorophyll a concentration in the global ocean.
Prélèvements d'eau des mésocosmes pour analyses, lors de l'expérience menée en Corse en juin/juillet 2012 (© A. Ree, PML)
Phytoplankton bloom observed by the ocean color sensor MODIS onboard NASA satellite Terra in May 2010. The bloom spreads broadly in the North Atlantic from Iceland to the Bay of Biscay - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Profiling float (Photo : David Luquet)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
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)
Foraminifera Ruber (Photo : Fabien Lombard)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)