Diatom genus Coscinodiscus (Photo : Sophie Marro)
Pleurobrachia
Propulsées par huit rangées de peignes, les groseilles de mer déploient deux longs tentacules pour pêcher des crustacés.
Ostracodes (Photo : Fabien Lombard)
Dinoflagellés Ceratium massiliense var protuberans (Photo : Sophie Marro)
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
Diatoms - Life in glass houses
Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.
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 Pelagia noctiluca (Photo : Fabien Lombard)
Copepode Sapphirina iris (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.
Animation of the biosphere obtained from the ocean color sensor SeaWiFS
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
Diatom genus Hemiaulus (Photo : Sophie Marro)
Les mésocosmes déployés dans la rade de Villefranche (© L. Maugendre, LOV)
