"A dissolved radioactive or stable isotope tracer was added to the sample which was held for a predetermined time, in a surface seawater bath and quantitatively shaded natural light (level usually designed to mimic collection depth and documented elsewhere) before filtration to collect the particulate phase."@en . . . . . . . . . "false" . . "SDN:S03::S03216" . . . . . "SDN:S03::S03216" . . "" . . "2" . . . . . . . . . "2009-11-24 10:34:38.0" . "SDN:S03::S03216" . . "2009-11-24 10:34:38.0" . . . . . . . . . . "2" . . . . "accepted"@en . . . "isotope-labelled tracer addition, on-deck incubation at simulated in-situ light level, filtration"@en . . . .