Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Ptéropodes - Mollusques qui nagent
Les papillons des mers construisent de fragiles coquilles. Résisteront-elles à l’acidification des océans?
Jellyfish Pelagia noctiluca (Photo : Fabien Lombard)
Crab Zoea larva (Photo : Fabien Lombard)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Diatom genus Cylindrotheca (Photo : Sophie Marro)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Foraminifera Orbulina universa and mollusk larva (Photo : Fabien Lombard)
Gelatinous plankton salpes and Beroe (Photo : Fabien Lombard)
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)
Instrumented buoy (Photo : Emilie Diamond)
Acantharia (Photo : Fabien Lombard)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
This video describes how to perform the Ludion experiment and explains the physical processes involved.
Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)
Seasonal evolution of the chlorophyll a concentration as obtained by the ocean color sensor SeaWiFS in the Atlantic Ocean.
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.
Copepode Coryceide (Photo : Fabien Lombard)
