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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 15, issue 8
Biogeosciences, 15, 2393–2410, 2018
https://doi.org/10.5194/bg-15-2393-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The Ocean in a High-CO2 World IV

Biogeosciences, 15, 2393–2410, 2018
https://doi.org/10.5194/bg-15-2393-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 20 Apr 2018

Research article | 20 Apr 2018

Ocean acidification changes the structure of an Antarctic coastal protistan community

Alyce M. Hancock et al.

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Cited articles

Aberle, N., Schulz, K. G., Stuhr, A., Malzahn, A. M., Ludwig, A., and Riebesell, U.: High tolerance of microzooplankton to ocean acidification in an Arctic coastal plankton community, Biogeosciences, 10, 1471–1481, https://doi.org/10.5194/bg-10-1471-2013, 2013. a
Arrigo, K. R. and Thomas, D. N.: Large scale importance of sea ice biology in the Southern Ocean, Antarct. Sci., 16, 471–486, https://doi.org/10.1017/S0954102004002263, 2004. a, b
Arrigo, K. R., Robinson, D. H., Worthen, D. L., Dunbar, R. B., DiTullio, G. R., VanWoert, M., and Lizotte, M. P.: Phytoplankton community structure and the drawdown of nutrients and CO2 in the Southern Ocean, Science, 283, 365–367, 1999. a
Arrigo, K. R., van Dijken, G. L., and Bushinsky, S.: Primary production in the Southern Ocean, 1997-2006, J. Geophys. Res. Ocean., 113, C08004, https://doi.org/10.1029/2007JC004551, 2008. a, b
Bermúdez, J. R., Riebesell, U., Larsen, A., and Winder, M.: Ocean acidification adversely affects trophic interactions and transfer of essential biochemical compounds in a natural plankton community, Sci. Rep., 6, 1–8, https://doi.org/10.1038/srep27749, 2016. a
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Absorption of carbon dioxide (CO2) realized by humans is decreasing the ocean pH (ocean acidification). Single-celled organisms (microbes) support the Antarctic ecosystem, yet little is known about their sensitivity to ocean acidification. This study shows a shift in a natural Antarctic microbial community, with CO2 levels exceeding 634 μatm changing the community composition and favouring small cells. This would have significant flow effects for Antarctic food webs and elemental cycles.
Absorption of carbon dioxide (CO2) realized by humans is decreasing the ocean pH (ocean...
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