"Uptake rate standard error of carbon {C} per day per unit volume of the water body [particulate >0.2um phase] by isotope-labelled tracer addition, incubation at unspecified light level, cascade filtration and counting residue and summation of size-fractionated values"@en .
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"SDN:P01::PCUEIIP4" .
"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 .
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