Les Dinoflagellés - Ceratium gravidum

Cnidaires : Siphonophore (crédit photo : Fabien Lombard)

Siphonophore (Photo : Fabien Lombard)

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Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.

Carte bathymétrique de la Mer Méditerranée

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Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.

Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)

Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)

Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)

Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)

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Animation of the biosphere obtained from the ocean color sensor SeaWiFS

Surface chlorophyll a concentration in the Mediterranean Sea.

Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni

Copepode Sapphirina iris (Photo : Fabien Lombard)

Diatom genus Chaetoceros (Photo : Sophie Marro)

Average chlorophyll concentration in the surface ocean (from mi-September 1997 to August 2007) from the ocean color sensor SeaWiFS (NASA). Subtropical gyres, in the center of the oceanic basins, are characterized by very low concentrations of chlorophyll a (dark blue) - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)

Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)

Acantharia (Photo : Fabien Lombard)

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The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.

Mollusk (Photo : Fabien Lombard)