About: http://webisa.webdatacommons.org/13848664

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	The Chesapeake Bay dead zones, which have been highly variable in recent years, threaten a multiyear effort to restore the water and habitat quality to enhance its production of crabs, oysters and other important fisheries.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org