Diatom genus Cylindrotheca (Photo : Sophie Marro)
Pleurobrachia
Propulsées par huit rangées de peignes, les groseilles de mer déploient deux longs tentacules pour pêcher des crustacés.
Underwater glider (Photo : David Luquet)
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Instrumented buoy (Photo : Emilie Diamond)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Jellyfish Pelagia noctilica (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
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)
Instrumented buoy (Photo : David Luquet)
Vue sous-marine d'un groupe de mésocosmes (© Stareso)
Underwater glider (Photo : David Luquet)
Instrumented buoy (Photo : David Luquet)
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.
Mollusk (Photo : Fabien Lombard)