Quizz marine phytoplankton

Underwater glider (Photo : David Luquet)

Annelid worm (Photo : Fabien Lombard)

Instrumented buoy (Photo : Emilie Diamond)

Diatom genus Chaetoceros (Photo : Sophie Marro)

Jellyfish Aequorea aequorea (Photo : Fabien Lombard)

Scientists collecting seawater samples from the rosette (Photo : Stacy Knapp, Woods Hole Oceanographic Institution)

Dinoflagellate Ceratium fusus (Photo : Sophie Marro)

Instrumented buoy (Photo : David Luquet)

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Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.

Siphonophore Forskalia formosa (Photo : Fabien Lombard)

Instrumented buoy (Photo : Emilie Diamond)

Profiling float (Photo : David Luquet)

Préparation et mise à l'eau des mésocosmes sur le ponton de l'observatoire océanologique de Villefranche lors de l'expérience menée en rade de Villefranche en février 2013 (© L. Maugendre, LOV)

Les mésocosmes déployés dans la rade de Villefranche en face de l'observatoire océanologique de Villefranche (© L. Maugendre, LOV)

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)

Profiling float (Photo : David Luquet)

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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.

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The profiling float