PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Excessive nutrients, in particular nitrogen and phosphorus, have resulted in the growth of large amounts of algae that decay and consume oxygen, thereby causing a zone of low dissolved oxygen or ???hypoxic zone??? in the Northern Gulf of Mexico.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov