. "1" . . . "2011-10-21 14:18:49.0" . "SDN:L22::NETT0163" . . "SDN:L22::NETT0163" . "1" . "false" . . "A pair of nets attached to an umbrella-like support. The system was deployed down a 12 cm ice hole and expanded below the undersurface of the ice. A circular motion caused the nets to scrap the undersurface of the ice and collect organisms in the water just below it. There was no flow meter or a description of the net specifications."@en . . "2011-10-21 14:18:49.0" . "SDN:L22::NETT0163" . . "Umbrella net" . "Umbrella net - Rakusa-Suszczewski (1972)"@en . "Umbrella net"@en . "accepted"@en . . . . . . . . . .