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Issues in Risk Assessment (1993) / Chapter Skim
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VALIDATION OF PREDICTIVE TOOLS
Pages 262-262

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From page 262...
... and could be used to quantify uncertainties related to variability in exposures or extrapolation from field plots to natural landscapes. Relying on expert judgment avoids the need to postulate particular mechanisms of exposure or complex population dynamics but prevents risk assessors from providing information on the value of collecting additional information to reduce uncertainties or providing information on the ecological costs and benefits of regulatory decisions.
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Key Terms

  • ecological risk
  • quantify uncertainties
  • uncertainty analyses
  • reduce uncertainties
  • risk assessments

  • uncertainty analysis
  • predictive tools
  • tools improvements
  • collecting additional
  • population dynamics

  • useful risk
  • provided examples
  • risk assessors
  • bayesian decision
  • empirical regression

  • using empirical
  • prevents risk
  • involve tradeoffs
  • assessment methodologies
  • poor representation

  • uncertainties related
  • principle permit
  • quantitative analysis
  • ecological costs
  • potentially useful

  • postulate particular
  • analyses developed
  • decision theory
  • formal model
  • particular mechanisms


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