"Abundance of Syracosphaera borealis (WoRMS 619042) [Subcomponent: coccoliths Subgroup: Type 1] per unit volume of the water body by identification and counting by scanning electron microscopy (SEM)"@en . . "SDN:P01::ASY07991" . "The number of detached liths in a unit volume of any samples of fresh or salt water body identified as belonging to the named coccolithophorid organism and counted by scanning electron microscopy."@en . .