On the relative constancy of iodate and total-iodine concentrations accompanying phytoplankton blooms initiated in mesocosm experiments in Antarctica

Victor W. Truesdale*, Hilary Kennedy, Susana Agusti, Tim J. Waite

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The integrated iodate and total-iodine concentrations accompanying accelerated growth of natural phytoplankton in eight 14-m deep mesocosm experiments did not vary significantly. Growth was induced by the addition of nutrients, while light irradiance was controlled by neutral density screens. These measures resulted in a range of particulate organic carbon concentrations of between 13 and 220 μmol L-1, that is, covering some that are well in excess of blooms generally found in the natural environment. This, together with most earlier results obtained from phytoplankton culturing and much hydrographic survey, is used as an opportunity to question whether phytoplankton growth can be the cause of iodate reduction in seawater.

Original languageEnglish (US)
Pages (from-to)1569-1574
Number of pages6
JournalLimnology and Oceanography
Volume48
Issue number4
DOIs
StatePublished - Jan 1 2003

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science

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