Phytoplankton bloom observed by the ocean color sensor MODIS onboard NASA satellite Terra in May 2010. The bloom spreads broadly in the North Atlantic from Iceland to the Bay of Biscay - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Ptéropode : Ce petit escargot de mer (le ptéropode Limacina helicina) joue un rôle important dans la chaîne alimentaire et le fonctionnement de l'écosystème marin Arctique. Sa coquille calcaire constitue une protection vitale. Or, une étude montre que cet escargot construit sa coquille à une vitesse 30 % plus faible lorsqu'il est maintenu dans une eau de mer ayant les caractéristiques chimiques attendues pour la fin du siècle.© S. Comeau, LOV
Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)
Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Elephant seal equipped with a sensor
Les mésocosmes attirent les poissons ! (© Stareso)
Instrumented buoy (Photo : Emilie Diamond)
Surface chlorophyll a concentration in the global ocean.
Remote-controlled sailboat
Foraminifera Ruber (Photo : Fabien Lombard)
Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)
Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)
Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)
Gelatinous plankton salpes and Beroe (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.
Instrumented buoy (Photo : Emilie Diamond)
Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.
