Record Display for the EPA National Library Catalog
RECORD NUMBER: 42 OF 50Main Title | Restoring the balance / | |||||||||||
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Publisher | Films for the Humanities & Sciences, | |||||||||||
Year Published | 1996 | |||||||||||
OCLC Number | 37667167 | |||||||||||
Subjects | Great Lakes (North America) ; Great Lakes Watershed (North America) ; Water quality--Great Lakes (North America) ; Aquatic pests--Control--Great Lakes (North America) ; Fisheries--Great Lakes (North America) ; Aquatic biology--Great Lakes (North America) | |||||||||||
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Collation | 1 videocassette (60 min.) : sound, color ; 1/2 in. | |||||||||||
Notes | Videocassette release of 1995 production by TVOntario. |
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Contents Notes | Once a unique ecosystem, the Great Lakes are now home to many exotic species, such as the zebra mussel and the European ruffie. The U.S. and Canada, which share one of the world's largest freshwater fisheries, must now balance their needs with those of the latest invader species. |