Les mésocosmes déployés dans la rade de Villefranche (© L. Maugendre, LOV)
Elephant seal equipped with a sensor
Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)
Coccolithophore (Photo : Sophie Marro)
Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)
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)
Acantharia (Photo : Fabien Lombard)
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)
Squid larva (Photo : Fabien Lombard)
Diatom species Odontella mobiliensis (Photo : Sophie Marro)
Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
Diatom genus Chaetoceros (Photo : Sophie Marro)
Rosette for collecting seawater samples
Dinoflagellate Ceratium falcatum (Photo : Sophie Marro)
Dinoflagellate Ceratium fusus (Photo : Sophie Marro)
Surface chlorophyll a concentration in the global ocean.
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA