Response to Comment on "The complex effects of ocean acidification on the prominent N<sub>2</sub>-fixing cyanobacterium <i>Trichodesmium</i>".

Shi, Dalin; Shen, Rong; Kranz, Sven A; Morel, François M M; Hong, Haizheng · Science · 2017

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Abstract

Hutchins <i>et al</i> question the validity of our results showing that under fast growth conditions, the beneficial effect of high CO<sub>2</sub> on <i>Trichodesmium</i> is overwhelmed by the deleterious effect of the concomitant decrease in ambient and cellular pH. The positive effect of acidification reported by Hutchins and co-workers is likely caused by culture conditions that support suboptimal growth rates.

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