Acantharia (Photo : Fabien Lombard)
Siphonophore Forskalia formosa (Photo : Fabien Lombard)
Instrumented buoy (Photo : David Luquet)
Instrumented buoy (Photo : David Luquet)
Ptéropodes - Mollusques qui nagent
Les papillons des mers construisent de fragiles coquilles. Résisteront-elles à l’acidification des océans?
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.
Les mésocosmes déployés dans la rade de Villefranche en face de l'observatoire océanologique de Villefranche (© L. Maugendre, LOV)
Acantharia (Photo : Fabien Lombard)
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Foraminifera Ruber (Photo : Fabien Lombard)
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.
Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)
Foraminifera Orbulina universa and mollusk larva (Photo : Fabien Lombard)
Mollusk (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)
