Quizz marine phytoplankton

Coccolithophore (Photo : Sophie Marro)

Jellyfish Pelagia noctilica (Photo : Fabien Lombard)

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

Jellyfish Aequorea aequorea (Photo : Fabien Lombard)

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

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Jellyfish Leuckaztiara octona (Photo : Fabien Lombard)

Les mésocosmes attirent les poissons ! (© Stareso)

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Drifting profiling floats in the Atlantic

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Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.

Colony of salps Salpa fusiformis (Photo : Fabien Lombard)

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Dinoflagellate Ceratium gravidum. In the video one can observe the movement of one of the two flagella. (Video : Sophie Marro)

Acantharia (Photo : Fabien Lombard)

Diatom species Odontella mobiliensis (Photo : Sophie Marro)

Instrumented buoy (Photo : Emilie Diamond)

Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)

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

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