Abundance standard deviation of Ciliophora (ITIS: 46211: WoRMS 11) per unit volume of experiment water sample by optical microscopy Abund(inc)_BE001229_SD The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement. 2019-06-04 17:32:45.0 SDN:P01::M891SD88 SDN:P01::M891SD88 SDN:P01::M891SD88 3 3 2019-06-04 17:32:45.0 accepted false