A year from the Arctic

Prélèvements d'eau des mésocosmes pour analyses, lors de l'expérience menée en Corse en juin/juillet 2012 (© A. Ree, PML)

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The profiling float

Squid larva (Photo : Fabien Lombard)

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Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.

Squid larva (Photo : Fabien Lombard)

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Les Dinoflagellés - Ceratium hexacanthum
chaîne de Ceratium hexacanthum qui restent les uns à la suites des autres au fur et à mesure des divisions.
Le mouvement des flagelles est bien visible.

Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni

Squid larva (Photo : Fabien Lombard)

Diatom species Odontella mobiliensis (Photo : Sophie Marro)

Ciliate (Photo : Fabien Lombard)

Acantharia (Photo : Fabien Lombard)

Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)

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)

Annelid worm (Photo : Fabien Lombard)

Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)

Dinoflagellate Ceratium furca (Photo : Sophie Marro)

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The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.

Instrumented buoy (Photo : David Luquet)