Is dimethyl sulphide production related to microzooplankton herbivory in the southern North Sea?

S. D. Archer, C. E. Stelfox-Widdicombe, G. Malin, P. H. Burkill

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Microzooplankton herbivory is considered to be a key process by which dimethylsulphoniopropionate (DMSP) in phytoplankton is transformed to climatically active dimethyl sulphide (DMS). However, there is little firm evidence to show that this occurs in natural waters. We used direct measurements of microzooplankton grazing rates and net DMS production in the southern North Sea to examine the impact of herbivory on DMS production. Estimates of the particulate DMSP ingested by microzooplankton in the form of Phaeocystis sp. were found to account for the DMS production rates observed.
Original languageEnglish
Pages (from-to)235-242
Number of pages8
JournalJournal of Plankton Research
Issue number2
Publication statusPublished - Feb 2003

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