Diatom genus Chaetoceros (Photo : Sophie Marro)
Salpes - La vie enchaînée
Bien que d’apparence primitive, les salpes sont de proches ancêtres des poissons. Lorsque les algues abondent, les salpes prolifèrent en de longues chaînes d’individus clonés.
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 : David Luquet)
The research vessel "James COOK"
Jellyfish Aequorea aequorea (Photo : Fabien Lombard)
Krill (Photo : Fabien Lombard)
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)
Appendicularia Oikopleura dioica (Photo : Fabien Lombard)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Surface chlorophyll a concentration in the global ocean.
Dinoflagellate Ceratium ranipes grd mains (Photo : Sophie Marro)
Gelatinous plankton Pelagia and Ctenophores (Photo : Fabien Lombard)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Dinoflagellate Ceratium extensum (Photo : Sophie Marro)
