About: http://webisa.webdatacommons.org/366597582

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	Since diatoms and algae are the most important microorganisms in the lake, biogenic silica is a measure of primary productivity.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov