Biogeosciences
Biogeosciences
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Articles | Volume 17, issue 16
Articles | Volume 17, issue 16
https://doi.org/10.5194/bg-17-4153-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-4153-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 16
Research article
 | 
18 Aug 2020
Research article |  | 18 Aug 2020

Ocean acidification reduces growth and grazing impact of Antarctic heterotrophic nanoflagellates

Stacy Deppeler, Kai G. Schulz, Alyce Hancock, Penelope Pascoe, John McKinlay, and Andrew Davidson

Supplement

https://doi.org/10.5194/bg-17-4153-2020-supplement

Data sets

Environmental data for Davis 14/15 ocean acidification minicosm experiment S. L. Deppeler, A. T. Davidson, and K. Schulz https://doi.org/10.4225/15/599a7dfe9470a

Data for manuscript "Ocean acidification reduces growth and grazing of Antarctic heterotrophic nanoflagellates" S. L. Deppeler, K. G. Schulz, A. Hancock, P. Pascoe, J. Mckinlay, and A. T. Davidson https://doi.org/10.4225/15/5b234e4bb9313

Ocean acidification changes the structure of an Antarctic coastal protistan community, Ver. 2 A. M. Hancock, A. T. Davidson, J. McKinlay, A. McMinn, K. Schulz, and D. Van Den Enden https://doi.org/10.4225/15/592b83a5c7506

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Short summary
Our study showed how ocean acidification can exert both direct and indirect influences on the interactions among trophic levels within the microbial loop. Microbial grazer abundance was reduced at CO2 concentrations at and above 634 µatm, while microbial communities increased in abundance, likely due to a reduction in being grazed. Such changes in predator–prey interactions with ocean acidification could have significant effects on the food web and biogeochemistry in the Southern Ocean.
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