About: http://webisa.webdatacommons.org/11935779

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	But in late 20th century the oysters were in significant decline thanks in part to overharvesting, poor water quality and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com