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Ifremer

French national institute for ocean science and technology

The French Oceanographic Fleet

The French Oceanographic Fleet

Marine Data Portal

Marine data portal

European infrastructures

European Multidisciplinary Seafloor and Water Column Observatory

Euro-Argo is the European contribution to the international Argo network

Copernicus Marine Environment Monitoring Service

JERICO-NEXT

Latest News

A recent study by IFREMER reveals that terrestrial tides, caused by the gravitational pull of the Moon and the Sun, can reactivate submarine faults. This reactivation could trigger significant methane emissions — a potent greenhouse gas — into the ocean and subsequently the atmosphere. It could also influence the seismic activity of faults, potentially transforming our understanding of the origens of certain earthquakes.

Happy New Year 2025!

Published on 30 december 2024

In 2025, let's stay one step ahead so that knowledge precedes action for the Ocean.

At a time when industrial companies are interested in the metals and rare earths found in the deep sea, Ifremer scientists are heading for the Clarion-Clipperton zone to discover the biodiversity that lives on and around polymetallic nodules. Aboard L'Atalante, a vessel of the French Oceanographic Fleet operated by Ifremer and its armament subsidiary Genavir, the scientists of the EDEN campaign are studying the abyssal plains of this Pacific region from November 2024 to January 2025 to gain a better understanding of the biodiversity associated with polymetallic nodules and how these ecosystems function.

Six new seamounts discovered in the Pacific

Published on 14 november 2024

Scientists on board the Pourquoi pas?, flagship of the French Oceanographic Fleet, operated by Ifremer and its shipping subsidiary Genavir, have recently mapped 16 seamounts in the North Pacific off Mexico. Ten were previously identified by satellite imagery but the other six had never been recorded.

Shellfishes emit CO2, what solutions exist?

Published on 3 october 2024

In an article published in Reviews in Aquaculture, scientists reveal the idea that shellfish farms capture atmospheric carbon dioxide (CO2), is incorrect. In fact, shellfish emit CO2 as they build their shells. Returning shells to the water after the meat has been consumed, or cultivating algae with the shellfish, are promising ways of reducing CO2 emissions from shellfish farming.

The ocean urgently needs decisive, swift, and unified efforts to address its critical condition. This is the challenge facing the global community at the third United Nations Ocean Conference (UNOC3), to be held in Nice from 9 to 13 June 2025. To ensure that the political decisions to be taken are rooted in science, IFREMER and CNRS organize the international scientific congress One Ocean Science bringing together 2,000 experts from all over the world.

Scientists from the Ifremer reveal in the journal Science Advances that, as with most species, the age of oysters influences the survival of their offspring: the older the oysters, the higher the mortality of their larvae.

Over the past 40 years, the manned submarine Nautile, one of the flagships of the French oceanographic fleet operated by Ifremer and its armament subsidiary Genavir, has made 2122 dives. With its mission due to come to an end in 2025, the decision has been taken to extend the activity of the only manned scientific submarine in the European Union capable of reaching the deep sea.

Today, over 670 observation platforms for the coastal environment are spread across Europe, from the Norwegian Sea to the Mediterranean. To harmonize these observation and research capabilities, 39 European scientific partners are working together to build the JERICO transnational research infrastructure. The aim: to observe the coastal ocean from every angle, and to study in greater detail rare or extreme phenomena, such as marine heat waves or storms, and their impacts. From June 17 to 21, they met in Brest to mark the end of the third phase of JERICO's development, with a view to its continued existence by 2030.

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