PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition, waters at higher latitudes are also under saturated in the carbonate ion crucial to calcifying organisms that build shells, such as corals and sea urchins, and as ocean pH falls, so does the concentration of the carbonate ion.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usap.gov