. . "SDN:L22::NETT0145" . . "Zaitsev PNS" . "Zaitsev PNS"@en . "PNS neuston net - Zaitsev (1961, 1970)"@en . "accepted"@en . "A five-stage sampling frame with a height of 100 cm and width of 60 cm in which five 60cm x 20 cm rectangular mouth aperture nets are stacked. Nets and frame flotation similar to that described by Zaitsev . Used from drifting or anchored vessel."@en . . . . . .