A year from the Arctic

Ciliate (Photo : Fabien Lombard)

Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)

Dinoflagellate Ceratium fusus (Photo : Sophie Marro)

Carte bathymétrique mondiale

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Ptéropodes - Mollusques qui nagent
Les papillons des mers construisent de fragiles coquilles. Résisteront-elles à l’acidification des océans?

Foraminifera Ruber (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)

Rosette for collecting seawater samples

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Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)

Siphonophore Forskalia formosa (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.

World ocean currents map

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)

Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)

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)

Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)

Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)

Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)