Quizz observation of the oceans and seas

Dinoflagellate Ceratium furca (Photo : Sophie Marro)

Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)

Instrumented buoy (Photo : David Luquet)

Dinoflagellate Ceratium gravidum (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)

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

Dinoflagellate Ceratium falcatum (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.

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Illustration in synthesized images of the seasons of the ocean: a year from the Antarctic - Animation Clement Fontana

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Diatoms - Life in glass houses
Champions of photosynthesis, these unicellular organisms appeared at the time of dinosaurs.They produce a quarter of the oxygen we breathe.

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

World ocean currents map

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Les Dinoflagellés - Ceratium gravidum
Ceratium gravidum dont en voit parfaitement les mouvements d’un des deux flagelles.

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Colony of dinoflagellates Ceratium hexacanthum. In the video, one can observe the movement of the flagella. (Video : Sophie Marro)

Ctenaria Eucharis multicornis (Photo : Fabien Lombard)

Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)

Jellyfish Aequorea aequorea (Photo : Fabien Lombard)