About: http://webisa.webdatacommons.org/233045595

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	When an electron donor, such as organic carbon, is present in a low-oxygen environment, bacteria may use it to reduce nitrate dramatically and convert it to nitrogen gas, nitrogen oxides, or ammonia (Korom, 1992).
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov