Articles | Volume 17, issue 1
Biogeosciences, 17, 1–12, 2020
https://doi.org/10.5194/bg-17-1-2020
Biogeosciences, 17, 1–12, 2020
https://doi.org/10.5194/bg-17-1-2020

Research article 02 Jan 2020

Research article | 02 Jan 2020

Benthic carbon fixation and cycling in diffuse hydrothermal and background sediments in the Bransfield Strait, Antarctica

Clare Woulds et al.

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Benthic carbon fixation and cycling in diffuse hydrothermal and background sediments in the Bransfield Strait, Antarctica on cruise JC055, January to February 2011 C. Woulds, J. B. Bell, A. Glover, S. Bouillon, and L. S. Brown https://doi.org/10.5285/98ccf93a-5e01-15e1-e053-6c86abc050ce

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Short summary
Sedimented hydrothermal vents occur where heated, mineral-rich (hydrothermal) water seeps through seafloor sediments. They host chemosynthetic microbes, which use chemical energy to fix dissolved carbon dioxide into sugars (chemosynthesis). We conducted carbon tracing experiments, and observed chemosynthesis at both vent and non-vent sites. Thus, chemosynthesis occurred over a much larger area than expected, suggesting it is more widespread than previously thought.
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