Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Acantharia (Photo : Fabien Lombard)
Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)
Ptéropodes - Mollusques qui nagent
Les papillons des mers construisent de fragiles coquilles. Résisteront-elles à l’acidification des océans?
Drifting profiling floats in the Atlantic
Surface chlorophyll a concentration in the global ocean.
Krill (Photo : Fabien Lombard)
Dinoflagellate Ceratium falcatum (Photo : Sophie Marro)
Dinoflagellés Ceratium massiliense var protuberans (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)
Satellite observation (GEOS-12) of Hurricane Katrina in August 2005 in the Gulf of Mexico - Source : NASA-NOAA
Les mésocosmes déployés dans la rade de Villefranche en face de l'observatoire océanologique de Villefranche (© L. Maugendre, LOV)
Underwater glider (Photo : David Luquet)
Dinoflagellate Ceratium praelongum (Photo : Sophie Marro)
Diatom genus Cylindrotheca (Photo : Sophie Marro)
Underwater glider (Photo : David Luquet)
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)