<http://webisa.webdatacommons.org/prov/198449756>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/227279067> .
<http://webisa.webdatacommons.org/227279067>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/227279067>	<http://www.w3.org/ns/prov#value>	"As mentioned above, it is important for fish, especially for prawn, to replace old water in fishponds with fresh water." .
<http://webisa.webdatacommons.org/227279067>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<fao.org> .