Production rate standard deviation of phosphate {PO43- CAS 14265-44-2} per day per unit biomass as carbon of biota {zooplankton [Size: 200-500um]} by incubation SDNrmExPO4C200-500 The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement. 2018-10-15 17:05:31.0 SDN:P01::SDNXCP0C SDN:P01::SDNXCP0C SDN:P01::SDNXCP0C 4 4 2018-10-15 17:05:31.0 accepted false