Prélèvements d'eau des mésocosmes pour analyses, lors de l'expérience menée en Corse en juin/juillet 2012 (© A. Ree, PML)
Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)
Préparation des mésocosmes sur le ponton du laboratoire d'Océanographie de Villefranche lors de l'expérience menée en rade de Villefranche en février 2013 (© L. Maugendre, LOV)
Elephant seal equipped with a sensor
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)
Siphonophores - The longest animals on the planet
Cousins of corals, siphonophores are colonies of specialized individuals called zoids. Some catch and digest their prey, others swim, or lay eggs or sperm.
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
Ctenaria Eucharis multicornis (Photo : Fabien Lombard)
Dinoflagellate Ceratium pentagonum var robustum (Photo : Sophie Marro)
Underwater glider (Photo : David Luquet)
Mollusk (Photo : Fabien Lombard)
Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)
Large rosette sampler used in the "World Ocean Circulation Experiment". This rosette has 36 10-liter Niskin bottles, an acoustic pinger (lower left), an "LADCP" current profiler (yellow long tube at the center), a CTD (horizontal instrument at the bottom), and transmissometer (yellow short tube at the center). (Photo : L. Talley)
Diatom genus Cylindrotheca (Photo : Sophie Marro)
Tunicata Pyrosoma (Photo : Fabien Lombard)
Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.