Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.
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)
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Foraminifera Orbulina universa and mollusk larva (Photo : Fabien Lombard)
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)
Dinoflagellate Ceratium candelabrum var depressum (Photo : Sophie Marro)
Ctenaria Lampetia pancerina (Photo : Fabien Lombard)
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.
Ceratium - Capter la lumière avec ses doigts
Ceratium appartient à l'immense groupe des dinoflagellés.
Instrumented buoy (Photo : David Luquet)
The research vessel "Marion Dufresne"
Dinoflagellate Ceratium fusus (Photo : Sophie Marro)
Instrumented buoy (Photo : Emilie Diamond)
Appendicularia Oikopleura dioica (Photo : Fabien Lombard)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
