Articles | Volume 15, issue 8
https://doi.org/10.5194/bg-15-2565-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-2565-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
N2 fixation as a dominant new N source in the western tropical South Pacific Ocean (OUTPACE cruise)
Mathieu Caffin
CORRESPONDING AUTHOR
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Thierry Moutin
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Rachel Ann Foster
Stockholm University, Department of Ecology, Environment and Plant
Sciences, Stockholm, Sweden
Pascale Bouruet-Aubertot
Sorbonne Universités, UPMC Univ. Paris 06, LOCEAN, Paris, France
Andrea Michelangelo Doglioli
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Hugo Berthelot
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Laboratoire des sciences de l'environnement marin, IUEM,
Université de Brest-UMR 6539 CNRS/UBO/IRD/Ifremer, Plouzané, France
Cécile Guieu
Sorbonne Universités, UPMC Univ Paris 06, CNRS, Laboratoire
d'Océanographie de Villefranche (LOV), 06230 Villefranche-sur-Mer, France
The Center for Prototype Climate Modeling, New York University in Abu Dhabi, Abu Dhabi, UAE
Olivier Grosso
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Sandra Helias-Nunige
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Nathalie Leblond
Observatoire Océanologique de Villefranche, Laboratoire
d'Océanographie de Villefranche, UMR 7093, Villefranche-sur-mer, France
Audrey Gimenez
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Anne Alexandra Petrenko
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Alain de Verneil
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
now at: The Center for Prototype Climate Modeling, New York University in Abu Dhabi, Abu Dhabi, UAE
Sophie Bonnet
Aix Marseille Université, CNRS, Université de Toulon, IRD, OSU
Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110, 98848,
Nouméa, New Caledonia
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- Phosphate availability affects fixed nitrogen transfer from diazotrophs to their epibionts N. Schoffelen et al. 10.1038/s41396-019-0453-5
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- Hydrodynamic regimes modulate nitrogen fixation and the mode of diazotrophy in Lake Tanganyika B. Ehrenfels et al. 10.1038/s41467-023-42391-3
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3 citations as recorded by crossref.
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- Distribution and rates of nitrogen fixation in the western tropical South Pacific Ocean constrained by nitrogen isotope budgets A. Knapp et al. 10.5194/bg-15-2619-2018
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Latest update: 14 Dec 2024
Short summary
We performed N budgets to assess the role of N2 fixation on production and export in the western tropical South Pacific Ocean. We deployed a combination of techniques including high-sensitivity measurements of N input and sediment traps deployment. We demonstrated that N2 fixation was the major source of new N before atmospheric deposition and upward nitrate fluxes. It contributed significantly to organic matter export, indicating a high efficiency of this region to export carbon.
We performed N budgets to assess the role of N2 fixation on production and export in the western...
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