decisionmaking under risk in invasive species management risk management theory and applications(396.55kb)精品.pdfVIP

Advances in Threat Assessment and Their Application to Forest and Rangeland Management Previous DecisionMaking Under Risk in Invasive Species Management: Risk Management Theory and Applications Shefali V. Mehta, Robert G. Haight, and Frances R. Keywords: Decisionmaking, economics, invasive Homans species, non-native, risk management. Shefali V. Mehta, University of Minnesota, Department Introduction: the Role of Risk Management of Applied Economics, Saint Paul, MN 55108; Robert G. in Invasive Species Management Haight, research forester, USDA Forest Service, Northern An overview of decisionmaking under risk in invasive Research Station, Saint Paul, MN 55108; Frances R. species management, with an emphasis on the economic Homans, professor, University of Minnesota, Department literature, is provided in this synthesis, and the follow- of Applied Economics, Saint Paul, MN 55108. ing topics are discussed: an overview of invasive species Abstract management; the key factors causing invasions; the exclu- sion activities aimed at preventing introductions; postintro- Invasive species management is closely entwined with duction control activities; and tradeoffs between multiple the assessment and management of risk that arises from management strategies. Scientists