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Open Access

Retraction

Retraction: Interactive effects of increased temperature, elevated pCO2 and different nitrogen sources on the coccolithophore Gephyrocapsaoceanica

  • Citong Niu,
  • Guicai Du,
  • Ronggui Li,
  • Chao Wang
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After this article [1] was published, it came to light that there was a methodological error in preparing the filters for measurement of particulate organic carbon (POC), particulate organic nitrogen (PON), and particulate inorganic carbon (PIC). Recycled HCl was mistaken for concentrated HCl during removal of the coccolith layer, and as the recycled HCl had a relatively lower concentration the acid fume time of 12 hours was insufficient to remove the coccolith layer (inorganic carbon). Consequently, the reported PIC and POC measurements are not valid. This issue affects the results reported in Fig 2, Fig 3E, 3F, and Fig 4.

In light of this issue, statements in the article’s title, results and conclusions about individual and interactive effects of temperature, pCO2 and nitrogen source on the production rates of POC, PIC and PIC/POC are no longer supported. Therefore, the authors retract this article.

We would like to express our deepest apologies to the publisher and readers.

Reference

  1. 1. Niu C, Du G, Li R, Wang C (2020) Interactive effects of increased temperature, elevated pCO2 and different nitrogen sources on the coccolithophore Gephyrocapsaoceanica. PLoS ONE 15(7): e0235755. https://doi.org/10.1371/journal.pone.0235755 pmid:32649709

Citation: Niu C, Du G, Li R, Wang C (2020) Retraction: Interactive effects of increased temperature, elevated pCO2 and different nitrogen sources on the coccolithophore Gephyrocapsaoceanica. PLoS ONE 15(10): e0240917. https://doi.org/10.1371/journal.pone.0240917

Published: October 13, 2020

Copyright: © 2020 Niu et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.