Exotic species and the shipping industry
Subtitle: the Great Lake-St. Lawrence ecosystem at risk : a special report to the governments of the United States and Canada.
Contributors: Great Lakes Fishery Commission.
Publisher: International Joint Commission; Great Lakes Fishery Commission
Published: 1990
Place of publication: [Ottawa]; [Ann Arbor, Mich.]
Language: eng
Number of pages: 74
Subjects: Pest introduction -- Great Lakes; Ballast (Ships); Biotic communities -- Great Lakes; Pest introduction -- Saint Lawrence River; Biotic communities -- Saint Lawrence River; Aquatic ecology -- Great Lakes