Copepode Sapphirina iris  (Photo : Fabien Lombard)
 
			
	This video describes how to perform the Ludion experiment and explains the physical processes involved.
 
 
 
			
Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)
  
			Rosette for collecting seawater samples
 
			Surface chlorophyll a concentration in the Mediterranean Sea.
 
			Dinoflagellate Ceratium falcatum (Photo : Sophie Marro)
 
			The research vessel "James COOK"
 
			Foraminifera Ruber (Photo : Fabien Lombard)
 
			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.
 
 
 
 
 
			Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
 
			
Les Diatomées - Bacillaria
Colonie de diatomées du genre Bacillaria dont les individus peuvent glisser les uns par rapport aux autres.
  
			Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
 
			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)
 
			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)
 
			Jellyfish Pelagia noctiluca  (Photo : Fabien Lombard)
 
			Copepode Coryceide  (Photo : Fabien Lombard)
 
			Carte bathymétrique de la Mer Méditerranée