Articles | Volume 18, issue 19
Biogeosciences, 18, 5397–5422, 2021
https://doi.org/10.5194/bg-18-5397-2021
Biogeosciences, 18, 5397–5422, 2021
https://doi.org/10.5194/bg-18-5397-2021

Research article 06 Oct 2021

Research article | 06 Oct 2021

Hydrothermal trace metal release and microbial metabolism in the northeastern Lau Basin of the South Pacific Ocean

Natalie R. Cohen et al.

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Cited articles

Agusti, S., Gonzalez-Gordillo, J., Vaque, D., Estrada, M., Cerezo, M. I., Salazar, G., Gasol, J. M., and Duarte, C. M.: Ubiquitous healthy diatoms in the deep sea confirm deep carbon injection by the biological pump, Nat. Commun., 6, 1–8, https://doi.org/10.1038/ncomms8608, 2015. 
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Baars, O., Abouchami, W., Galer, S. J. G., Boye, M., and Croot, P. L.: Dissolved cadmium in the Southern Ocean: Distribution, speciation, and relation to phosphate, Limnol. Oceanogr., 59, 385–399, https://doi.org/10.4319/lo.2014.59.2.0385, 2014. 
Baker, B. J., Lesniewski, R. A., and Dick, G. J.: Genome-enabled transcriptomics reveals archaeal populations that drive nitrification in a deep-sea hydrothermal plume, ISME J., 6, 2269–2279, https://doi.org/10.1038/ismej.2012.64, 2012. 
Baker, E. T., Walker, S. L., Massoth, G. J., and Resing, J. A.: The NE Lau Basin: Widespread and Abundant Hydrothermal Venting in the Back-Arc Region Behind a Superfast Subduction Zone, Front. Mar. Sci., 6, 382, https://doi.org/10.3389/fmars.2019.00382, 2019. 
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A previous study documented an intense hydrothermal plume in the South Pacific Ocean; however, the iron release associated with this plume and the impact on microbiology were unclear. We describe metal concentrations associated with multiple hydrothermal plumes in this region and protein signatures of plume-influenced microbes. Our findings demonstrate that resources released from these systems can be transported away from their source and may alter the physiology of surrounding microbes.
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