About: http://webisa.webdatacommons.org/239966409

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	A key concept here is ???ecological thresholds???, which describe points where an ecosystem may significantly change form, processes and function in response to external factors such as stress.
http://www.w3.org/ns/prov#wasQuotedFrom	freshwaterblog.net