@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: . rdf:type skos:Concept ; dce:identifier "SCHLSPPM" ; dc:identifier "SCHLSPPM" ; dc:isVersionOf ; pav:authoredOn "03-NOV-09" ; pav:version "1" ; owl:versionInfo "1" ; skos:altLabel "LorSpec_Chl-a_GFF-5um" ; skos:definition "Spectrophotometric assay following the Lorenzen protocol of acetone extract from particulates on a GF/F filter filtering water previously filtered through a 5um pore filter." ; skos:notation "SCHLSPPM" ; skos:note "accepted" ; skos:prefLabel "Concentration of chlorophyll-a {chl-a} per unit volume of the water body [particulate GF/F-5um phase] by filtration, acetone extraction and spectrophotometry and processing following the Lorenzen protocol"@en .