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Articles | Volume 15, issue 8
Articles | Volume 15, issue 8
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:
https://doi.org/10.5194/bg-15-2393-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 15, issue 8
Research article
 | 
20 Apr 2018
Research article |  | 20 Apr 2018

Ocean acidification changes the structure of an Antarctic coastal protistan community

Alyce M. Hancock, Andrew T. Davidson, John McKinlay, Andrew McMinn, Kai G. Schulz, and Rick L. van den Enden

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Short summary
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.
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The Ocean in a High-CO2 World IV
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