Deep-sea benthic communities and oxygen fluxes in the Arctic Fram Strait controlled by sea-ice cover and water depth

Hoffmann, Ralf; Braeckman, Ulrike; Hasemann, Christiane; Wenzhöfer, Frank

doi:https://doi.org/10.5194/bg-15-4849-2018

Articles | Volume 15, issue 16

https://doi.org/10.5194/bg-15-4849-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-15-4849-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 16

Research article

|

16 Aug 2018

Research article |

| 16 Aug 2018

Deep-sea benthic communities and oxygen fluxes in the Arctic Fram Strait controlled by sea-ice cover and water depth

Ralf Hoffmann, Ulrike Braeckman, Christiane Hasemann, and Frank Wenzhöfer

Supplement

https://doi.org/10.5194/bg-15-4849-2018-supplement

Data sets

In situ and ex situ oxygen profiles and resulting diffusive oxygen uptake; in situ and ex situ total oxygen flux; benthic community density and biomass, bioturbation potential and solute exchange in the Hausgarten area R. Hoffmann, U. Braeckman, and F. Wenzhöfer https://doi.org/10.1594/PANGAEA.883410

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Short summary

Our study links surface sea-ice cover and benthic oxygen fluxes in the Fram Strait via primary production, food supply, benthic community, and their functions. We show that sea-ice cover and water depth are the most important factors influencing the ecosystem. However, in water depths > 1500 m, the effect of sea ice fades out. Further, we discuss primary production and benthic remineralization patterns and developed a potential scenario for the benthic remineralization in a future Arctic Ocean.