Quizz marine zooplankton

Déploiement dun flotteur - Photo JJ. Pangrazi

Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)

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

Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)

Acantharia (Photo : Fabien Lombard)

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Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.

Diatom genus Hemiaulus (Photo : Sophie Marro)

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)

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Drifting profiling floats in the Atlantic

Instrumented buoy (Photo : David Luquet)

Surface chlorophyll a concentration in the global ocean.

Acantharia (Photo : Fabien Lombard)

World ocean currents map

Diatom genus Cylindrotheca (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)

Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. (Photo : Joséphine Ras)

Stickers & Goodies

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)