Ocean Science
Ocean Science
OS
Articles | Volume 11, issue 2
Articles | Volume 11, issue 2
https://doi.org/10.5194/os-11-251-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/os-11-251-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 11, issue 2
Research article
 | 
13 Mar 2015
Research article |  | 13 Mar 2015

A geographical and seasonal comparison of nitrogen uptake by phytoplankton in the Southern Ocean

R. Philibert, H. Waldron, and D. Clark

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Short summary
Phytoplankton contribute to the regulation of the Earth's climate. In this study, we investigated the factors which affect the amount of nitrogen that phytoplankton in the Southern Ocean are able to use for their growth. We collected data during a winter cruise and a summer cruise. We found that in winter, day light and the amount of ammonium (a nitrogenous nutrient) were the two most important factors. In summer, it seems that the influx of nutrients (such as iron) plays a major role.
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