Articles | Volume 15, issue 9
https://doi.org/10.5194/bg-15-2619-2018
© 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-15-2619-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
04 May 2018
Research article |
| 04 May 2018
| 04 May 2018
Distribution and rates of nitrogen fixation in the western tropical South Pacific Ocean constrained by nitrogen isotope budgets
Earth, Ocean, and Atmospheric Science Dept., Florida State University,
117 N. Woodward AVE., Tallahassee, FL 32306, USA
Kelly M. McCabe
Earth, Ocean, and Atmospheric Science Dept., Florida State University,
117 N. Woodward AVE., Tallahassee, FL 32306, USA
Olivier Grosso
Aix-Marseille Université, CNRS, Université de Toulon, IRD, OSU
Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110, 13288,
Marseille, France
Nathalie Leblond
Observatoire Océanologique de Villefranche, Laboratoire
d'Océanographie de Villefranche, UMR 7093, Villefranche-sur-mer, France
Thierry Moutin
Aix-Marseille Université, CNRS, Université de Toulon, IRD, OSU
Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110, 13288,
Marseille, France
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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Cited
25 citations as recorded by crossref.
- The Agulhas Current Transports Signals of Local and Remote Indian Ocean Nitrogen Cycling T. Marshall et al. 10.1029/2022JC019413
- Has Nitrogen Supply to Coral Reefs in the South Pacific Ocean Changed Over the Past 50 Thousand Years? D. Erler et al. 10.1029/2019PA003587
- Non-cyanobacterial diazotrophs: global diversity, distribution, ecophysiology, and activity in marine waters K. Turk-Kubo et al. 10.1093/femsre/fuac046
- Variations in Mid‐ to Late Holocene Nitrogen Supply to Northern Great Barrier Reef Halimeda Macroalgal Bioherms M. McNeil et al. 10.1029/2020PA003871
- Transfer of diazotroph-derived nitrogen to the planktonic food web across gradients of N2 fixation activity and diversity in the western tropical South Pacific Ocean M. Caffin et al. 10.5194/bg-15-3795-2018
- Toward resolving disparate accounts of the extent and magnitude of nitrogen fixation in the Eastern Tropical South Pacific oxygen deficient zone C. Selden et al. 10.1002/lno.11735
- Mechanistic understanding of diazotroph aggregation and sinking: “A rolling tank approach” F. Ababou et al. 10.1002/lno.12301
- Quantifying N2 fixation and its contribution to export production near the Tonga-Kermadec Arc using nitrogen isotope budgets H. Forrer et al. 10.3389/fmars.2023.1249115
- Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean T. Moutin et al. 10.5194/bg-15-2961-2018
- Dinitrogen Fixation Across Physico‐Chemical Gradients of the Eastern Tropical North Pacific Oxygen Deficient Zone C. Selden et al. 10.1029/2019GB006242
- Global Patterns of Surface Ocean Dissolved Organic Matter Stoichiometry Z. Liang et al. 10.1029/2023GB007788
- Dissolved organic phosphorus concentrations in the surface ocean controlled by both phosphate and iron stress Z. Liang et al. 10.1038/s41561-022-00988-1
- Increased tropical South Pacific western boundary current transport over the past century W. Chen et al. 10.1038/s41561-023-01212-4
- N2 Fixation and New Insights Into Nitrification From the Ice-Edge to the Equator in the South Pacific Ocean E. Raes et al. 10.3389/fmars.2020.00389
- Remote sensing of Trichodesmium spp. mats in the western tropical South Pacific G. Rousset et al. 10.5194/bg-15-5203-2018
- Nitrogen sources (NO3− vs N2 fixation) inferred from bulk δ15N values of zooplankton from the deep water region of the Gulf of Mexico O. Hernández-Sánchez et al. 10.1093/plankt/fbab089
- In-depth characterization of diazotroph activity across the western tropical South Pacific hotspot of N2 fixation (OUTPACE cruise) S. Bonnet et al. 10.5194/bg-15-4215-2018
- Linkage Between Dinitrogen Fixation and Primary Production in the Oligotrophic South Pacific Ocean T. Shiozaki et al. 10.1029/2017GB005869
- Constraining the sources of nitrogen fueling export production in the Gulf of Mexico using nitrogen isotope budgets A. Knapp et al. 10.1093/plankt/fbab049
- Composition of the sinking particle flux in a hot spot of dinitrogen fixation revealed through polyacrylamide gel traps F. Ababou et al. 10.3389/fmars.2023.1290625
- Microbial functional structure and stable isotopic variation of leptocephali across three current zones in the western South Pacific L. Ghinter et al. 10.1016/j.pocean.2020.102264
- Isotopic compositions of organic and inorganic nitrogen reveal processing and source dynamics at septic influenced and undeveloped estuary sites Y. Qiu et al. 10.1016/j.scitotenv.2024.171749
- Natural iron fertilization by shallow hydrothermal sources fuels diazotroph blooms in the ocean S. Bonnet et al. 10.1126/science.abq4654
- N2 fixation as a dominant new N source in the western tropical South Pacific Ocean (OUTPACE cruise) M. Caffin et al. 10.5194/bg-15-2565-2018
- Iron from a submarine source impacts the productive layer of the Western Tropical South Pacific (WTSP) C. Guieu et al. 10.1038/s41598-018-27407-z
23 citations as recorded by crossref.
- The Agulhas Current Transports Signals of Local and Remote Indian Ocean Nitrogen Cycling T. Marshall et al. 10.1029/2022JC019413
- Has Nitrogen Supply to Coral Reefs in the South Pacific Ocean Changed Over the Past 50 Thousand Years? D. Erler et al. 10.1029/2019PA003587
- Non-cyanobacterial diazotrophs: global diversity, distribution, ecophysiology, and activity in marine waters K. Turk-Kubo et al. 10.1093/femsre/fuac046
- Variations in Mid‐ to Late Holocene Nitrogen Supply to Northern Great Barrier Reef Halimeda Macroalgal Bioherms M. McNeil et al. 10.1029/2020PA003871
- Transfer of diazotroph-derived nitrogen to the planktonic food web across gradients of N2 fixation activity and diversity in the western tropical South Pacific Ocean M. Caffin et al. 10.5194/bg-15-3795-2018
- Toward resolving disparate accounts of the extent and magnitude of nitrogen fixation in the Eastern Tropical South Pacific oxygen deficient zone C. Selden et al. 10.1002/lno.11735
- Mechanistic understanding of diazotroph aggregation and sinking: “A rolling tank approach” F. Ababou et al. 10.1002/lno.12301
- Quantifying N2 fixation and its contribution to export production near the Tonga-Kermadec Arc using nitrogen isotope budgets H. Forrer et al. 10.3389/fmars.2023.1249115
- Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean T. Moutin et al. 10.5194/bg-15-2961-2018
- Dinitrogen Fixation Across Physico‐Chemical Gradients of the Eastern Tropical North Pacific Oxygen Deficient Zone C. Selden et al. 10.1029/2019GB006242
- Global Patterns of Surface Ocean Dissolved Organic Matter Stoichiometry Z. Liang et al. 10.1029/2023GB007788
- Dissolved organic phosphorus concentrations in the surface ocean controlled by both phosphate and iron stress Z. Liang et al. 10.1038/s41561-022-00988-1
- Increased tropical South Pacific western boundary current transport over the past century W. Chen et al. 10.1038/s41561-023-01212-4
- N2 Fixation and New Insights Into Nitrification From the Ice-Edge to the Equator in the South Pacific Ocean E. Raes et al. 10.3389/fmars.2020.00389
- Remote sensing of Trichodesmium spp. mats in the western tropical South Pacific G. Rousset et al. 10.5194/bg-15-5203-2018
- Nitrogen sources (NO3− vs N2 fixation) inferred from bulk δ15N values of zooplankton from the deep water region of the Gulf of Mexico O. Hernández-Sánchez et al. 10.1093/plankt/fbab089
- In-depth characterization of diazotroph activity across the western tropical South Pacific hotspot of N2 fixation (OUTPACE cruise) S. Bonnet et al. 10.5194/bg-15-4215-2018
- Linkage Between Dinitrogen Fixation and Primary Production in the Oligotrophic South Pacific Ocean T. Shiozaki et al. 10.1029/2017GB005869
- Constraining the sources of nitrogen fueling export production in the Gulf of Mexico using nitrogen isotope budgets A. Knapp et al. 10.1093/plankt/fbab049
- Composition of the sinking particle flux in a hot spot of dinitrogen fixation revealed through polyacrylamide gel traps F. Ababou et al. 10.3389/fmars.2023.1290625
- Microbial functional structure and stable isotopic variation of leptocephali across three current zones in the western South Pacific L. Ghinter et al. 10.1016/j.pocean.2020.102264
- Isotopic compositions of organic and inorganic nitrogen reveal processing and source dynamics at septic influenced and undeveloped estuary sites Y. Qiu et al. 10.1016/j.scitotenv.2024.171749
- Natural iron fertilization by shallow hydrothermal sources fuels diazotroph blooms in the ocean S. Bonnet et al. 10.1126/science.abq4654
2 citations as recorded by crossref.
Latest update: 23 Apr 2025
Short summary
The spatial distribution of biological N2 fixation fluxes to the ocean remains poorly constrained. Here we use nitrogen isotope budgets to identify significant N2 fixation inputs to the western tropical South Pacific (WTSP), where N2 fixation supports > 50 % of export production at stations proximal to iron sources. The significant N2 fixation inputs in the WTSP may offset nitrogen loss in the oxygen-deficient zones of the eastern tropical South Pacific.
The spatial distribution of biological N2 fixation fluxes to the ocean remains poorly...
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