About: http://webisa.webdatacommons.org/238900512

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	Many cities have begun to monitor and limit the amount of nitrogen and other nutrients that enter nearby aquatic ecosystems in an effort to control nutrient pollution, oxygen sag, and cultural eutrophication.
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com