About: http://webisa.webdatacommons.org/438191790

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	In some areas like the Gulf of Mexico, 70% of nitrogen and other nutrients are from agricultural runoff into the Mississippi River.
http://www.w3.org/ns/prov#wasQuotedFrom	nature.org