Articles | Volume 13, issue 16
https://doi.org/10.5194/bg-13-4645-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-4645-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
18 Aug 2016
Research article |
| 18 Aug 2016
Nitrogen isotopic evidence for a shift from nitrate- to diazotroph-fueled export production in the VAHINE mesocosm experiments
Earth, Ocean, and Atmospheric Science Department, Florida State
University, 117 N Woodward AVE, Tallahassee, FL, 32306, USA
Sarah E. Fawcett
Department of Geosciences, Guyot Hall, Princeton University,
Princeton, NJ 08544, USA
Department of Oceanography, University of Cape Town, Rondebosch, 7701,
South Africa
Alfredo Martínez-Garcia
Max Plank Institute for Chemistry, Hahn-Meitner-Weg 1, 55128 Mainz,
Germany
Nathalie Leblond
Mediterranean Institute of Oceanography (MIO),
IRD/CNRS/Aix-Marseille University, IRD Noumea, 101 Promenade R. Laroque,
BPA5, 98848 Noumea Cedex, France
Thierry Moutin
Mediterranean Institute of Oceanography (MIO),
IRD/CNRS/Aix-Marseille University, IRD Noumea, 101 Promenade R. Laroque,
BPA5, 98848 Noumea Cedex, France
Sophie Bonnet
Mediterranean Institute of Oceanography (MIO),
IRD/CNRS/Aix-Marseille University, IRD Noumea, 101 Promenade R. Laroque,
BPA5, 98848 Noumea Cedex, France
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Cited
14 citations as recorded by crossref.
- Preface: The Oligotrophy to the UlTra-oligotrophy PACific Experiment (OUTPACE cruise, 18 February to 3 April 2015) T. Moutin et al.
- δ15N patterns in three subtropical estuaries show switch from nitrogen “reactors” to “pipes” with increasing degradation N. Wells & B. Eyre
- Linkage Between Dinitrogen Fixation and Primary Production in the Oligotrophic South Pacific Ocean T. Shiozaki et al.
- Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean T. Moutin et al.
- The Influence of Plankton Community Structure on Sinking Velocity and Remineralization Rate of Marine Aggregates L. Bach et al.
- Quantitative and qualitative comparison of marine dissolved organic nitrogen recovery using solid phase extraction C. Miranda et al.
- Sources and transformation of dissolved and particulate organic nitrogen in the North Pacific Subtropical Gyre indicated by compound-specific δ15N analysis of amino acids Y. Yamaguchi & M. McCarthy
- Nitrogen isotope constraint on the zonation of multiple transformations between dissolved and particulate organic nitrogen in the Changjiang plume X. Yan et al.
- Biogeochemical fluxes and fate of diazotroph-derived nitrogen in the food web after a phosphate enrichment: modeling of the VAHINE mesocosms experiment A. Gimenez et al.
- Effect of light on N2 fixation and net nitrogen release of Trichodesmium in a field study Y. Lu et al.
- Distribution and rates of nitrogen fixation in the western tropical South Pacific Ocean constrained by nitrogen isotope budgets A. Knapp et al.
- Constraining the sources of nitrogen fueling export production in the Gulf of Mexico using nitrogen isotope budgets A. Knapp et al.
- Nitrate assimilation and regeneration in the Barents Sea: insights from nitrate isotopes R. Tuerena et al.
- Quantifying N2 fixation and its contribution to export production near the Tonga-Kermadec Arc using nitrogen isotope budgets H. Forrer et al.
14 citations as recorded by crossref.
- Preface: The Oligotrophy to the UlTra-oligotrophy PACific Experiment (OUTPACE cruise, 18 February to 3 April 2015) T. Moutin et al.
- δ15N patterns in three subtropical estuaries show switch from nitrogen “reactors” to “pipes” with increasing degradation N. Wells & B. Eyre
- Linkage Between Dinitrogen Fixation and Primary Production in the Oligotrophic South Pacific Ocean T. Shiozaki et al.
- Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean T. Moutin et al.
- The Influence of Plankton Community Structure on Sinking Velocity and Remineralization Rate of Marine Aggregates L. Bach et al.
- Quantitative and qualitative comparison of marine dissolved organic nitrogen recovery using solid phase extraction C. Miranda et al.
- Sources and transformation of dissolved and particulate organic nitrogen in the North Pacific Subtropical Gyre indicated by compound-specific δ15N analysis of amino acids Y. Yamaguchi & M. McCarthy
- Nitrogen isotope constraint on the zonation of multiple transformations between dissolved and particulate organic nitrogen in the Changjiang plume X. Yan et al.
- Biogeochemical fluxes and fate of diazotroph-derived nitrogen in the food web after a phosphate enrichment: modeling of the VAHINE mesocosms experiment A. Gimenez et al.
- Effect of light on N2 fixation and net nitrogen release of Trichodesmium in a field study Y. Lu et al.
- Distribution and rates of nitrogen fixation in the western tropical South Pacific Ocean constrained by nitrogen isotope budgets A. Knapp et al.
- Constraining the sources of nitrogen fueling export production in the Gulf of Mexico using nitrogen isotope budgets A. Knapp et al.
- Nitrate assimilation and regeneration in the Barents Sea: insights from nitrate isotopes R. Tuerena et al.
- Quantifying N2 fixation and its contribution to export production near the Tonga-Kermadec Arc using nitrogen isotope budgets H. Forrer et al.
Saved (final revised paper)
Latest update: 01 May 2026
Short summary
The goal of this manuscript was to track the fate of newly fixed nitrogen (N) in large volume mesocosms in the coastal waters of New Caledonia. We used a N isotope ("δ15N") budget and found a shift in the δ15N of sinking particulate N over the 23-day experiment, indicating that nitrate supported export production at the beginning of the experiment, but that nitrogen fixation supported export at the end. We infer that nitrogen fixation supported export production by a release of dissolved N.
The goal of this manuscript was to track the fate of newly fixed nitrogen (N) in large volume...
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