Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.
Mollusk (Photo : Fabien Lombard)
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Siphonophore (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)
Diatom genus Rhizosolenia (Photo : Sophie Marro)
Appendicularia Oikopleura dioica (Photo : Fabien Lombard)
Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)
Dinoflagellés Ceratium massiliense var protuberans (Photo : Sophie Marro)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Rosette for collecting seawater samples
Elephant seal equipped with a sensor
Dinoflagellate Ceratium extensum (Photo : Sophie Marro)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Surface chlorophyll a concentration in the global ocean.
