PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It was found that though manatee numbers appear to have risen over the last several decades, many human-related (habitat loss, coastal development, watercraft-related mortality) and natural threats (uncertainty of future warm-water refuges, red tide events, hurricanes and other stochastic events) to the population remained.
http://www.w3.org/ns/prov#wasQuotedFrom
  • si.edu