About: http://webisa.webdatacommons.org/217105295

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	Total metals concentrations especially Cd and Pb were elevated 8 to 70 times than those observed in the same lakes 25 years ago.
http://www.w3.org/ns/prov#wasQuotedFrom	qu.edu.qa