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.
Cténophores - Orgie de couleurs
Vagues de lumière iridescentes, à l'affût de proies, voici les cténophores.
Mollusk (Photo : Fabien Lombard)
Siphonophore (Photo : Fabien Lombard)
Copepode Coryceide (Photo : Fabien Lombard)
Vue sous-marine d'un groupe de mésocosmes montrant la structure de flottaison en surface (© Stareso)
Diatom genus Hemiaulus (Photo : Sophie Marro)
Ctenaria Lampetia pancerina (Photo : Fabien Lombard)
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.
Prélèvements d'eau des mésocosmes pour analyses, lors de l'expérience menée en Corse en juin/juillet 2012 (© A. Ree, PML)
Villefranche-sur-Mer in stormy weather, winter 2011 - Photo : J.-M. Grisoni
Profiling float (Photo : David Luquet)
Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.
Amphipode crustacean (Photo : Fabien Lombard)
Ostracodes (Photo : Fabien Lombard)
Phytoplankton bloom observed by the ocean color sensor MODIS onboard NASA satellite Terra in May 2010. The bloom spreads broadly in the North Atlantic from Iceland to the Bay of Biscay - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
This video describes how to perform the Ludion experiment and explains the physical processes involved.
