About: http://webisa.webdatacommons.org/163131098

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Experts said human activities including reservoir construction, mining and agricultural irrigation are the main causes for the sad phenomenon, Xinhua added.
http://www.w3.org/ns/prov#wasQuotedFrom	spacedaily.com