About: http://webisa.webdatacommons.org/203016255

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	Contaminants or other factors have reduced populations of zooplankton and other organisms that otherwise control algae by grazing.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov