Jigsaw Puzzle : Velella - Planktonic Vessels

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

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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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Cténophores - Orgie de couleurs
Vagues de lumière iridescentes, à l'affût de proies, voici les cténophores.

Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)

Underwater glider (Photo : David Luquet)

World ocean currents map

Les mésocosmes attirent les poissons ! (© Stareso)

Dinoflagellate Ceratium fusus (Photo : Sophie Marro)

Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)

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)

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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.

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

Coccolithophore (Photo : Sophie Marro)

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Les Diatomées - Bacillaria
Colonie de diatomées du genre Bacillaria dont les individus peuvent glisser les uns par rapport aux autres.

Ciliate (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)

Surface chlorophyll a concentration in the Mediterranean Sea.

Carte bathymétrique de la Mer Méditerranée