@prefix rdfs: . @prefix owl: . @prefix gacs: . @prefix rdf: . @prefix dc: . @prefix skos: . rdfs:label "Concept definition"@en ; a owl:Class . gacs:def_da72c0d9 rdf:value "The presence or absence either of ground water or of plant available water (i.e., water held at a tension of less than 1500 kPa) in the soil or in specific horizons during periods of the year. A generally accepted classification of soil moisture regimes from wet to dry includes aquic, udic, ustic, aridic, and xeric."@en ; dc:source , ; a . gacs:C8362 skos:definition gacs:def_da72c0d9 .