PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Nutrients, especially nitrogen and phosphorus from agricultural runoff, urban runoff, and other sources, lead to algae blooms and hypoxia.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stormh20.com