About: http://webisa.webdatacommons.org/351538083

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Desertification, or the invasion of woody plants into perennial grasslands with associated changes in ecosystem stability, is a pervasive problem that affects arid and semiarid systems worldwide.
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov