. . . . . . . . "Number of individuals from the specified biological entity identified normalised to a unit volume of water sample."@en . "accepted"@en . . "SDN:P01::APY09103" . . "Abundance of Pyrosomatidae (WoRMS 137216) per unit volume of the water body"@en . . "Abund_BE009103" . . . . . . . . .