Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.
 
 
 
 
 
			Instrumented buoy (Photo : Emilie Diamond)
 
			Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
 
			Instrumented buoy (Photo : David Luquet)
 
			Gelatinous plankton Mneniopsis  (Photo : Fabien Lombard)
 
			Foraminifera   (Photo : Fabien Lombard)
 
			Acantharia (Photo : Fabien Lombard)
 
 
			
			
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
  
			
Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
  
			
Cténophores - Orgie de couleurs
Vagues de lumière iridescentes, à l'affût de proies, voici les cténophores.
 
 
 
			
Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)
  
			Diatom genus Cylindrotheca (Photo : Sophie Marro)
 
			Rosette for collecting seawater samples
 
			Prélèvements d'eau des mésocosmes pour analyses, lors de l'expérience menée en Corse en juin/juillet 2012 (© A. Ree, PML)
 
			Diatom genus Chaetoceros (Photo : Sophie Marro)
 
			
	This video describes how to perform the Ludion experiment and explains the physical processes involved.
 
 
 
			Colony of salps Salpa fusiformis (Photo : Fabien Lombard)