Origin and Distribution

Examples of marine invasive species introduced via the shipping industry
ORTEP Association
www.ortepa.org/pages/ei19pt5.htm

Pathways of Aquatic Introductions
Washington Sea Grant
www.wsg.washington.edu/communications/online/bioinvasions/bioinvasions.pdf

100 of the World's Worst Invasive Alien Species
Global Invasive Species Database
http://www.issg.org/booklet.pdf