About: http://webisa.webdatacommons.org/361006960

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	McCann, who studies food webs and ecosystem stability, said many ecosystems are at a tipping point, including grasslands that may easily become either woodlands or deserts.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com