PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Without such information we cannot understand and predict how these systems respond to variations in climate and human activities including changes in the amount, character, and timing of freshwater, toxic- waste, sediment and plant-nutrient inflows to these environments.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov