@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . skos:member . skos:altLabel "Umbrella net" , "Umbrella net"@en ; skos:broader , ; skos:definition "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 ; skos:inScheme ; skos:notation "SDN:L22::NETT0163" ; skos:note "accepted"@en ; skos:prefLabel "Umbrella net - Rakusa-Suszczewski (1972)"@en . skos:narrower . skos:narrower . skos:narrower . skos:narrower .