Field investigation of ocean acidification effects in northwest European seas
Field investigation of ocean acidification effects in northwest European seas
Editor(s): E. Achterberg, T. Tyrrell, and J.-P. Gattuso
The purpose of the cruise (June–July 2011) was to study the impact of ocean acidification on surface waters of the northwest European shelf, providing a glimpse into what may happen to the ocean as a whole as atmospheric CO2 concentrations continue to rise. The aim was to examine impacts on marine organisms and ecosystems, on the cycling of carbon and nutrients, and on the production of climatically important gases. These potential impacts were investigated in two main ways. Firstly, observational data were analysed to look at how organisms, ecosystems and processes vary between regions where the chemistry of seawater is naturally more acidic and those where it is more alkaline. This comparison of observational data gives insights into the effects of ocean acidification taking place over centuries, long enough for natural selection and adaptation to play out. The second approach was to conduct short-term CO2 bioassay perturbation experiments in bottles with natural communities collected in the surface layer and incubated in a controlled laboratory on deck. The natural communities were subjected to various levels of CO2 that may occur in the future and the responses were determined. This large experiment examined the effects of changing CO2 levels on real-world samples whilst at sea, as opposed to monocultures in the laboratory.

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17 Dec 2014
Preface: Field investigation of ocean acidification effects in northwest European seas
T. Tyrrell and E. P. Achterberg
Biogeosciences, 11, 7269–7274,,, 2014
10 Sep 2014
Morphology of Emiliania huxleyi coccoliths on the northwestern European shelf – is there an influence of carbonate chemistry?
J. R. Young, A. J. Poulton, and T. Tyrrell
Biogeosciences, 11, 4771–4782,,, 2014
29 Sep 2014
Genotyping an Emiliania huxleyi (prymnesiophyceae) bloom event in the North Sea reveals evidence of asexual reproduction
S. A. Krueger-Hadfield, C. Balestreri, J. Schroeder, A. Highfield, P. Helaouët, J. Allum, R. Moate, K. T. Lohbeck, P. I. Miller, U. Riebesell, T. B. H. Reusch, R. E. M. Rickaby, J. Young, G. Hallegraeff, C. Brownlee, and D. C. Schroeder
Biogeosciences, 11, 5215–5234,,, 2014
10 Jul 2014
Effect of enhanced pCO2 levels on the production of dissolved organic carbon and transparent exopolymer particles in short-term bioassay experiments
G. A. MacGilchrist, T. Shi, T. Tyrrell, S. Richier, C. M. Moore, C. Dumousseaud, and E. P. Achterberg
Biogeosciences, 11, 3695–3706,,, 2014
09 Sep 2014
Phytoplankton responses and associated carbon cycling during shipboard carbonate chemistry manipulation experiments conducted around Northwest European shelf seas
S. Richier, E. P. Achterberg, C. Dumousseaud, A. J. Poulton, D. J. Suggett, T. Tyrrell, M. V. Zubkov, and C. M. Moore
Biogeosciences, 11, 4733–4752,,, 2014
18 Sep 2014
The influence of ocean acidification on nitrogen regeneration and nitrous oxide production in the northwest European shelf sea
D. R. Clark, I. J. Brown, A. P. Rees, P. J. Somerfield, and P. I. Miller
Biogeosciences, 11, 4985–5005,,, 2014
19 Aug 2014
Intercomparison of carbonate chemistry measurements on a cruise in northwestern European shelf seas
M. Ribas-Ribas, V. M. C. Rérolle, D. C. E. Bakker, V. Kitidis, G. A. Lee, I. Brown, E. P. Achterberg, N. J. Hardman-Mountford, and T. Tyrrell
Biogeosciences, 11, 4339–4355,,, 2014
25 Jul 2014
Coccolithophores on the north-west European shelf: calcification rates and environmental controls
A. J. Poulton, M. C. Stinchcombe, E. P. Achterberg, D. C. E. Bakker, C. Dumousseaud, H. E. Lawson, G. A. Lee, S. Richier, D. J. Suggett, and J. R. Young
Biogeosciences, 11, 3919–3940,,, 2014
16 Sep 2014
Consistent increase in dimethyl sulfide (DMS) in response to high CO2 in five shipboard bioassays from contrasting NW European waters
F. E. Hopkins and S. D. Archer
Biogeosciences, 11, 4925–4940,,, 2014
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