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OVERVIEW. Assessing the Magnitude of the Invasive Species ProblemInvasive Species on the Domestic and International AgendasRisk Assessment for Biological StressorsState of the Practice and Raising the BarChallenges Ahead. Domestic Impacts of Invasive Species. Major Economic ImpactsNon-market E
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1. Risk Assessment for Invasive Species: Introduction Mark R. Powell USDA Office of Risk Assessment and Cost Benefit Analysis, Washington, DC