About: http://webisa.webdatacommons.org/287520206

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	The principal causes are drainage, dams, changes in agricultural practice, development and other human activities.
http://www.w3.org/ns/prov#wasQuotedFrom	waza.org