Biogeosciences
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Articles | Volume 21, issue 8
Articles | Volume 21, issue 8
https://doi.org/10.5194/bg-21-1985-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-1985-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 8
Research article
 | 
23 Apr 2024
Research article |  | 23 Apr 2024

Testing the influence of light on nitrite cycling in the eastern tropical North Pacific

Nicole M. Travis, Colette L. Kelly, and Karen L. Casciotti

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Short summary
We conducted experimental manipulations of light level on microbial communities from the primary nitrite maximum. Overall, while individual microbial processes have different directions and magnitudes in their response to increasing light, the net community response is a decline in nitrite production with increasing light. We conclude that while increased light may decrease net nitrite production, high-light conditions alone do not exclude nitrification from occurring in the surface ocean.
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