Articles | Volume 15, issue 14
https://doi.org/10.5194/bg-15-4533-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-4533-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
25 Jul 2018
Research article |
| 25 Jul 2018
| 25 Jul 2018
Geophysical and geochemical controls on the megafaunal community of a high Arctic cold seep
Arunima Sen
CORRESPONDING AUTHOR
Centre for Arctic Gas Hydrate, Environment and Climate (CAGE),
Department of Geosciences, UiT The Arctic University of Norway, Tromsø,
9037, Norway
Emmelie K. L. Åström
Centre for Arctic Gas Hydrate, Environment and Climate (CAGE),
Department of Geosciences, UiT The Arctic University of Norway, Tromsø,
9037, Norway
Wei-Li Hong
Centre for Arctic Gas Hydrate, Environment and Climate (CAGE),
Department of Geosciences, UiT The Arctic University of Norway, Tromsø,
9037, Norway
Geological Survey of Norway (NGU), Trondheim, 7491, Norway
Alexey Portnov
Centre for Arctic Gas Hydrate, Environment and Climate (CAGE),
Department of Geosciences, UiT The Arctic University of Norway, Tromsø,
9037, Norway
School of Earth Sciences, Ohio State University, Columbus, Ohio,
43210, USA
Malin Waage
Centre for Arctic Gas Hydrate, Environment and Climate (CAGE),
Department of Geosciences, UiT The Arctic University of Norway, Tromsø,
9037, Norway
Pavel Serov
Centre for Arctic Gas Hydrate, Environment and Climate (CAGE),
Department of Geosciences, UiT The Arctic University of Norway, Tromsø,
9037, Norway
Michael L. Carroll
Centre for Arctic Gas Hydrate, Environment and Climate (CAGE),
Department of Geosciences, UiT The Arctic University of Norway, Tromsø,
9037, Norway
Akvaplan-niva, FRAM – High North Research Centre for Climate and the
Environment, Tromsø, 9296, Norway
JoLynn Carroll
Akvaplan-niva, FRAM – High North Research Centre for Climate and the
Environment, Tromsø, 9296, Norway
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Latest update: 21 Jan 2025
Short summary
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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