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.
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Squid larva (Photo : Fabien Lombard)
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium reflexum (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)
Pelagia - Fearsome Jellyfish
Mauve jellies move in droves, their nasty stings feared by swimmers.
Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)
Dinoflagellate Ceratium falcatum (Photo : Sophie Marro)
Carte bathymétrique de la Mer Méditerranée
Foraminifera (Photo : Fabien Lombard)
Colony of diatoms genus Bacillaria whose single cells slide against each other (Video : Sophie Marro)
Siphonophore Forskalia formosa (Photo : Fabien Lombard)
Colony of salps Salpa fusiformis (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)