About: http://webisa.webdatacommons.org/429035051

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	Aquatic and wetland plants, bacteria, algae, protozoa, plankton, snails and other organisms are used in the system to provide specific cleansing or trophic functions.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org