<http://webisa.webdatacommons.org/prov/109646589>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/255671244> .
<http://webisa.webdatacommons.org/255671244>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/217632026>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/255671244> .
<http://webisa.webdatacommons.org/255671244>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hindawi.com> .
<http://webisa.webdatacommons.org/255671244>	<http://www.w3.org/ns/prov#value>	"Because this region is the source of the Yangtze, Yellow, and Lancang Rivers, water conservation and hydrological regulation is the most important ecological service on a national level." .