. . . . "1" . "accepted"@en . . . "Abundance of Pisidium obtusale per unit area of the bed by sieving and picking under an optical microscope"@en . "Unavailable"@en . "SDN:P01::ZBN01234" . . "1" . "SDN:P01::ZBN01234" . "2004-06-30 10:19:55.0" . . . "false" . "SDN:P01::ZBN01234" . "ZBN01234" . "2004-06-30 10:19:55.0" . .