@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_however_	skos:broader	isac:diffuse_source_ .
isac:_agriculture_	skos:broader	isac:diffuse_source_ .
isac:_stormwater_	skos:broader	isac:diffuse_source_ .
isac:agricultural_run-off_	skos:broader	isac:diffuse_source_ .