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Photosynthesis or planktonic respiration?

Abstract

del Giorgio and Cole replyGeiderraises two main issues: first, he points to substantial evidence suggesting net autotrophy in surface ocean waters; and second, he argues that the estimates of bacterial respiration we used in our paper1, which are based largely on measurements of oxygen consumption in size-fractionated samples, could overestimate the contribution of bacteria.

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References

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del Giorgio, P., Cole, J. Photosynthesis or planktonic respiration?. Nature 388, 132–133 (1997). https://doi.org/10.1038/40538

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