"Uptake rate (daily) of dinitrogen {N2 CAS 7727-37-9} {nitrogen fixation} per unit time per unit volume of the water body [particulate >GF/F phase] by isotope-labelled tracer addition, on-deck incubation at simulated in-situ light level, filtration and mass spectrometry"@en . . "N2FIXMS1" . "Unavailable" . .