About: http://webisa.webdatacommons.org/128406841

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	Amongst the threats to freshwater species, including climate change and pollution, the most difficult to quantify are man-made obstructions to water flow.
http://www.w3.org/ns/prov#wasQuotedFrom	freshwaterblog.net