. . . . . . . . . . . . . . . . . . "Abundance of Abra nitida (ITIS: 81314: WoRMS 141435) per unit area of the bed by sieving and picking under an optical microscope"@en . . "Unavailable"@en . . "SDN:P01::N601S20Z" . "SDN:P01::N601S20Z" . "1" . . "N60120" . . "2008-10-16 16:27:06.0" . "2008-10-16 16:27:06.0" . "1" . . . "SDN:P01::N601S20Z" . "accepted"@en . . "false" . . . . . . . . . . . . . . . . . .