Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)
Instrumented buoy (Photo : Emilie Diamond)
Dinoflagellate Ceratium macroceros var macroceros (Photo : Sophie Marro)
Coccolithophore (Photo : Sophie Marro)
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.
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Annelid worm (Photo : Fabien Lombard)
Les mésocosmes déployés dans la rade de Villefranche (© L. Maugendre, LOV)
Average chlorophyll concentration in the surface ocean (from mi-September 1997 to August 2007) from the ocean color sensor SeaWiFS (NASA). Subtropical gyres, in the center of the oceanic basins, are characterized by very low concentrations of chlorophyll a (dark blue) - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
The research vessel "Marion Dufresne"
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Ctenaria Lampetia pancerina (Photo : Fabien Lombard)
Dinoflagellate Ceratium paradoxides (Photo : Sophie Marro)
Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)
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.
Jellyfish Pelagia noctilica (Photo : Fabien Lombard)
