@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:narrower . skos:altLabel "TKN_Unfilt" ; skos:broader , , , , , , ; skos:definition "Concentration of nitrogen contained in organic substances plus the nitrogen in inorganic ammonia and ammonium (NH3/NH4+) per unit volume of the water column held both in solution and particles of any size."@en ; skos:notation "SDN:P01::NTOTKJM1" ; skos:note "accepted"@en ; skos:prefLabel "Concentration of total nitrogen {total_N} per unit volume of the water body [dissolved plus reactive particulate phase] by Kjeldahl method"@en ; skos:related , , . skos:related . skos:narrower . skos:narrower . skos:narrower . skos:narrower . skos:narrower . skos:narrower . skos:related . skos:related . skos:narrower . skos:related . skos:related . skos:related . skos:narrower . skos:narrower . skos:narrower . skos:narrower . skos:member . skos:narrower . skos:narrower .