Instrumented buoy (Photo : David Luquet)

Les mésocosmes déployés dans la rade de Villefranche (© L. Maugendre, LOV)

Foraminifera   (Photo : Fabien Lombard)

Coccolithophore  (Photo : Sophie Marro)

Dinoflagellate Ceratium extensum (Photo : Sophie Marro)

Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)

Jellyfish Rhizostoma pulmo  (Photo : Fabien Lombard)

Gelatinous plankton Pelagia and Ctenophores  (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)

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

Surface chlorophyll a concentration in the Mediterranean Sea.

Gelatinous plankton Mneniopsis  (Photo : Fabien Lombard)

Vue sous-marine d'un groupe de mésocosmes (© Stareso)

Dinoflagellate Ceratium arietinum var arietinum (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)