Articles | Volume 15, issue 13
Biogeosciences, 15, 4131–4145, 2018
https://doi.org/10.5194/bg-15-4131-2018

Special issue: Assessing environmental impacts of deep-sea mining...

Biogeosciences, 15, 4131–4145, 2018
https://doi.org/10.5194/bg-15-4131-2018

Research article 06 Jul 2018

Research article | 06 Jul 2018

Abyssal plain faunal carbon flows remain depressed 26 years after a simulated deep-sea mining disturbance

Tanja Stratmann et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (25 Jun 2018) by Matthias Haeckel
AR by Tanja Stratmann on behalf of the Authors (25 Jun 2018)  Author's response    Manuscript
ED: Publish as is (27 Jun 2018) by Matthias Haeckel
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Short summary
Extraction of polymetallic nodules will have negative impacts on the deep-sea ecosystem, but it is not known whether the ecosystem is able to recover from them. Therefore, in 1989 a sediment disturbance experiment was conducted in the Peru Basin to mimic deep-sea mining. Subsequently, the experimental site was re-visited 5 times to monitor the recovery of fauna. We developed food-web models for all 5 time steps and found that, even after 26 years, carbon flow in the system differs significantly.
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