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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 15, issue 14
Biogeosciences, 15, 4533-4559, 2018
https://doi.org/10.5194/bg-15-4533-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 15, 4533-4559, 2018
https://doi.org/10.5194/bg-15-4533-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 25 Jul 2018

Research article | 25 Jul 2018

Geophysical and geochemical controls on the megafaunal community of a high Arctic cold seep

Arunima Sen et al.
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Revised manuscript under review for BG
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Cited articles  
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Ambrose, W. G., Panieri, G., Schneider, A., Plaza-Faverola, A., Carroll, M. L., Åström, E. K. L., Locke, W. L., and Carroll, J.: Bivalve shell horizons in seafloor pockmarks of the last glacial-interglacial transition: a thousand years of methane emissions in the Arctic Ocean: Past Arctic Ocean Methane Emissions, Geochem. Geophys. Geosys., 16, 4108–4129, https://doi.org/10.1002/2015GC005980, 2015.
Amon, D. J., Gobin, J., Van Dover, C. L., Levin, L. A., Marsh, L., and Raineault, N. A.: Characterization of Methane-Seep Communities in a Deep-Sea Area Designated for Oil and Natural Gas Exploitation Off Trinidad and Tobago, Front. Mar. Sci., 4, 342, https://doi.org/10.3389/fmars.2017.00342, 2017.
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Diverse benthic communities populate a site of methane seepage on the Arctic shelf. Despite a likely reliance on sulfide as an energy source, Oligobrachia worm distributions did not correlate with sulfide concentrations. We suggest that sulfide and carbon generation linked to microbial activity and high methane fluxes determines their presence or absence. We discuss the site and our results within the context of Arctic ecology and economy as well as the biology of seafloor hydrocarbon seeps.
Diverse benthic communities populate a site of methane seepage on the Arctic shelf. Despite a...
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