Articles | Volume 12, issue 16
Biogeosciences, 12, 4895–4911, 2015
https://doi.org/10.5194/bg-12-4895-2015
Biogeosciences, 12, 4895–4911, 2015
https://doi.org/10.5194/bg-12-4895-2015

Research article 19 Aug 2015

Research article | 19 Aug 2015

Macroalgae contribute to nested mosaics of pH variability in a subarctic fjord

D. Krause-Jensen et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (Editor review) (29 Jun 2015) by Jean-Pierre Gattuso
AR by Svenja Lange on behalf of the Authors (09 Jul 2015)  Author's response
ED: Publish subject to minor revisions (Editor review) (20 Jul 2015) by Jean-Pierre Gattuso
AR by D. Krause-Jensen on behalf of the Authors (04 Aug 2015)  Author's response    Manuscript
ED: Publish as is (04 Aug 2015) by Jean-Pierre Gattuso
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Short summary
The Arctic Ocean is considered the most vulnerable ecosystem to ocean acidification (OA), but very little information is available on natural variability of pH in the Arctic coastal zone. We report pH variability at various scales in a Greenland fjord. Variability ranged up to 0.2-0.3 pH units horizontally and vertically in the fjord, between seasons and on diel basis in kelp forests and was extreme in tidal pools. Overall, primary producers played a fundamental role in producing mosaics of pH.
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