. . . . . . . . . . . . "Counts of a given biological entity using scanning electron microscopy normalised to a specified volume of experimental water sample."@en . . . . . "SDN:P01::ACH08324" . . "accepted"@en . "Ab_SEM_BE008324" . "Abundance of Chaetoceros (ITIS: 2758: WoRMS 148985) [Subgroup: collapsed frustules] per unit volume of the experiment water sample by identification and counting by scanning electron microscopy (SEM)"@en . . . . . .