Articles | Volume 14, issue 2
https://doi.org/10.5194/bg-14-379-2017
https://doi.org/10.5194/bg-14-379-2017
Research article
 | 
25 Jan 2017
Research article |  | 25 Jan 2017

Exploring the distance between nitrogen and phosphorus limitation in mesotrophic surface waters using a sensitive bioassay

Enis Hrustić, Risto Lignell, Ulf Riebesell, and Tron Frede Thingstad

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Cited articles

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Phytoplankton in the ocean's stratified layer are limited by mineral nutrients, normally nitrogen, phosphorus, or iron. It is important to know not only which element is limiting, but also the surplus of the secondary limiting element. We explore here, in temperate mesotrophic waters, a bioassay based on alkaline phosphatase that provides information on both of these.
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