“Invasive species are defined in this report as being those plants and animals that are

introduced by humans to a location where they are not naturally occurring, and that

establish viable populations which cause measurable ecological harm to their introduced

ecosystem. The threat of Invasive Alien Species (IAS) is a significant environmental

issue in Canada and, although numerous ecological ramifications have been documented,

it is the lack of information on the effects of invasive species that is of the greatest

concern.”

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