Fine particle air pollution is a global issue. It is the main health risk and the main cause of non-communicable diseases, the second contributor to global warming (just after CO2), and with quantities of fine particles reaching the ocean greater than the quantities of plastic waste, these particles are one of the main environmental pollutants.
On the following topic:
"Ocean N2 fixation across spatiotemporal scales"
Members of the Jury
Tutor
France Van Wambeke (HDR, DR CNRS at MIO)
Rapporteurs
Ingrid Obernosterer (HDR, DR CNRS at LOMIC)
Claire Mahaffey (Professor at the University of Liverpool, UK) Lucie Bittner (HDR, MCF at Sorbonne University)
Examiners
Valérie Michotey (MIO Director, AMU Professor at MIO) Sophie Rabouille (HDR, CR CNRS at LOMIC)
Richard Sempéré (HDR, DR CNRS at MIO)
Guests
Sophie Bonnet, IRD research director at MIO, has been awarded an ERC Consolidator grant for her 2.5 million euro HOPE project. This project aims to study the capacity of our tropical oceans to sequester CO2 via diazotrophs, microorganisms that fix atmospheric nitrogen and play an essential role in the biological carbon pump of the oceans;
A team of 6 scientists - French, American, and Fijian - will embark on R/V Alis, an offshore vessel of the French Oceanographic Fleet, from March 19 to April 7, 2022. This 20-day campaign aims to study the health of marine ecosystems in areas of ecological interest in the southern Fiji Islands. It will analyze the relationship between dissolved fluorescent carbon and the first links of the pelagic food chain (planktonic organisms).
At the close of the One Ocean Summit, this Friday, February 11 in Brest, Emmanuel Macron announced the extension of the French Southern Territories nature reserve, which will become the second largest marine protected area in the world.
As every year at this time, the first year students of the Master of Marine Sciences carried out missions at sea as part of their curriculum, on a boat of the French oceanographic fleet (operated by IFREMER), from February 18 to 25 (including weekends!), alternating between sampling at sea and practical work sessions on land, in the university laboratories, to extract, filter and analyze the samples collected. The missions start from the IFREMER base in La Seyne-sur-Mer.
On the following topic:
"Study of the degradation of ice algae and open water phytoplankton in the Arctic zone: impact of the stress state of the bacteria associated with this material on its preservation and contribution to sediments"
Director : Mr. JEAN-FRANCOIS RONTANI, RESEARCH DIRECTOR
Co-director: Mrs. PATRICIA BONIN, RESEARCH DIRECTOR
Abstract:
On the following topic:
"Influence of multiscale connectivity via larval dispersal on population structure and biodiversity patterns in the Mediterranean Sea"
Under the supervision of Anne Chenuil, Research Director and Vincent Rossi, Research Fellow
Abstract:
Located at the interface between the continent and the ocean, the New Caledonian lagoon is particularly sensitive to anthropogenic pressures. In recent years, scientists have observed an increase in sedimentation in the lagoon bordering the industrial site of Vavouto. The oceanographic campaign SELAMIK, organized aboard the Alis from March 3 to 16, 2022, aims to understand the origin, fate and impact of sedimentation on the functioning of this lagoon.
