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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.

La série Chroniques du Plancton est réalisée par Noé Sardet, Sharif Mirshak (Parafilms) et Christian Sardet (CNRS) dans le cadre de l'Expédition Tara Océans et de l'Observatoire Océanologique de Villefranche-sur-Mer (CNRS/UPMC), la série bénéficie du soutien financier des Instituts du CNRS (INSB/INEE) et du programme IBISA.

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Marine phytoplankton

Marine phytoplankton consist of the microscopic algae that live in suspension in the surface waters of oceans. Most of them are single-celled organisms, but some form chains of several or many cells. ...

Marine zooplankton

Le zooplancton est l'ensemble des animaux qui vivent en suspension dans l'eau des océans. Le terme « plancton » indique que ces animaux se laissent dériver avec les courants, ainsi dès qu'un animal es...

Observation of the oceans and seas

The observation of the seas and oceans nowadays relies on the use of a variety of tools. Besides the classical “research vessel”, research is also based on remotely operated platforms, either satellit...

The ocean seasons

As it is the case on land, seasons give rhythm to life in the world’s oceans. Seasons vary depending on the regions where people live (winter, summer, monsoons, …). They regulate several aspects of th...