Dissolved organic matter release by an axenic culture of Emiliania huxleyi

S Suratman, K Weston, T Jickells, R Chance, T Bell

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Abstract

Measurements of the release of dissolved organic nitrogen (DON) and carbon (DOC) were carried out on an axenic batch culture of the coccolithophorid Emiliania huxleyi. This unicellular marine alga was cultured using a media with nitrate as the sole N source and the changes of DOM concentrations measured over 14 days. Results showed that there was a significant release of DON, i.e.7.6M N day1 during mid-exponential growth phase (days 57). The highest release of DOC was also recorded in the same growth phase and accounted for 24.0M C day1.
Original languageEnglish
Pages (from-to)1343-1346
Number of pages4
JournalJournal of the Marine Biological Association of the United Kingdom
Volume88
Issue number7
DOIs
Publication statusPublished - 2008

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