Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)
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)
Drifting profiling floats in the Atlantic
Instrumented buoy (Photo : David Luquet)
Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)
Acantharia (Photo : Fabien Lombard)
Gelatinous plankton Mneniopsis (Photo : Fabien Lombard)
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)
Amphipode crustacean (Photo : Fabien Lombard)
Radiolarians (Photo : Fabien Lombard)
Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Jellyfish Pelagia noctilica (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
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)
Profiling float (Photo : David Luquet)
Dinoflagellate Ceratium fusus (Photo : Sophie Marro)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)