PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although a few areas of are considered healthy, products of industry and development, mainly the nutrients nitrogen and phosphorus, have caused a noticeable decline in water quality and loss of habitat.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epa.gov