About: http://webisa.webdatacommons.org/121928043

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	Trade is mainly responsible, with creatures and plants transported in water and sediments sucked into ships??? ballast tanks, on fouled hulls, and in imported cargo.
http://www.w3.org/ns/prov#wasQuotedFrom	theconversation.com