This video describes how to perform the Ludion experiment and explains the physical processes involved.
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.
Diatom genus Cylindrotheca (Photo : Sophie Marro)
Drifting profiling floats in the Atlantic
Diatom species Odontella mobiliensis (Photo : Sophie Marro)
Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)
Profiling float (Photo : David Luquet)
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)
Siphonophores (Photo : Fabien Lombard)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)
Animation of the biosphere obtained from the ocean color sensor SeaWiFS
Copepode Coryceide (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Instrumented buoy (Photo : David Luquet)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)