Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
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)
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)
Ciliate (Photo : Fabien Lombard)
Radiolarians (Photo : Fabien Lombard)
Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)
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)
Annelid worm (Photo : Fabien Lombard)
Instrumented buoy (Photo : Emilie Diamond)
Squid larva (Photo : Fabien Lombard)
Prélèvements d'eau des mésocosmes pour analyses, lors de l'expérience menée en Corse en juin/juillet 2012 (© A. Ree, PML)
Diatom genus Chaetoceros (Photo : Sophie Marro)
Surface chlorophyll a concentration in the Mediterranean Sea.
Rosette for collecting seawater samples
Acantharia (Photo : Fabien Lombard)
Mollusk (Photo : Fabien Lombard)
