"Uptake rate standard error of carbon {C} {primary production standard error} per day per unit volume of the water body [particulate 0.2-2um phase] by isotope-labelled tracer addition, incubation at unspecified light level, cascade filtration and counting residue"@en . . "SDN:P01::SCUEIIPF" . "The standard error of the mean (defined as the standard deviation divided by the square root of the sample size) of multiple determinations of the specified phenomenon."@en . .