Journal cover Journal topic
Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 15, issue 24
Biogeosciences, 15, 7379–7401, 2018
https://doi.org/10.5194/bg-15-7379-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 15, 7379–7401, 2018
https://doi.org/10.5194/bg-15-7379-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 14 Dec 2018

Research article | 14 Dec 2018

Modelling the biogeochemical effects of heterotrophic and autotrophic N2 fixation in the Gulf of Aqaba (Israel), Red Sea

Angela M. Kuhn et al.
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Short summary
Recent studies demonstrate that marine N2 fixation can be carried out without light. However, direct measurements of N2 fixation in dark environments are relatively scarce. This study uses a model that represents biogeochemical cycles at a deep-ocean location in the Gulf of Aqaba (Red Sea). Different model versions are used to test assumptions about N2 fixers. Relaxing light limitation for marine N2 fixers improved the similarity between model results and observations of deep nitrate and oxygen.
Recent studies demonstrate that marine N2 fixation can be carried out without light. However,...
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