Biogeosciences
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Articles | Volume 15, issue 14
Articles | Volume 15, issue 14
https://doi.org/10.5194/bg-15-4353-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-4353-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 14
Research article
 | 
18 Jul 2018
Research article |  | 18 Jul 2018

The Arctic picoeukaryote Micromonas pusilla benefits synergistically from warming and ocean acidification

Clara Jule Marie Hoppe, Clara M. Flintrop, and Björn Rost

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Short summary
Responses of the Arctic microalgae Micromonas pusilla to different pCO2 levels were investigated at two temperatures. We observed that warming and ocean acidification (OA) synergistically increased growth rates. Furthermore, elevated temperature shifted the pCO2 optimum of biomass production to higher levels. This seem to be caused by more efficient photosynthesis under warmer and more acidic conditions. Our findings explain the dominance of picoeukaryotes frequently observed in OA experiments.
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