Guidance on quantitative pest risk assessment

Vittorio Rossi, Michael Jeger, Claude Bragard, David Caffier, Thierry Candresse, Elisavet Chatzivassiliou, Katharina Dehnen-Schmutz, Jean-Claude Grégoire, Josep Anton Jaques Miret, Alan Macleod, Maria Navajas Navarro, Björn Niere, Stephen Parnell, Roel Potting, Trond Rafoss, Gregor Urek, Ariena Van Bruggen, Wopke Van Der Werf, Jonathan West, Stephan WinterAndy Hart, Jan Schans, Gritta Schrader, Muriel Suffert, Virag Kertész, Svetla Kozelska, Maria Rosaria Mannino, Olaf Mosbach-Schulz, Marco Pautasso, Giuseppe Stancanelli, Sara Tramontini, Sybren Vos, Gianni Gilioli

Risultato della ricerca: Contributo in rivistaArticolo in rivista

68 Citazioni (Scopus)

Abstract

This Guidance describes a two-phase approach for a fit-for-purpose method for the assessment of plant pest risk in the territory of the EU. Phase one consists of pest categorisation to determine whether the pest has the characteristics of a quarantine pest or those of a regulated non-quarantine pest for the area of the EU. Phase two consists of pest risk assessment, which may be requested by the risk managers following the pest categorisation results. This Guidance provides a template for pest categorisation and describes in detail the use of modelling and expert knowledge elicitation to conduct a pest risk assessment. The Guidance provides support and a framework for assessors to provide quantitative estimates, together with associated uncertainties, regarding the entry, establishment, spread and impact of plant pests in the EU. The Guidance allows the effectiveness of risk reducing options (RROs) to be quantitatively assessed as an integral part of the assessment framework. A list of RROs is provided. A two-tiered approach is proposed for the use of expert knowledge elicitation and modelling. Depending on data and resources available and the needs of risk managers, pest entry, establishment, spread and impact steps may be assessed directly, using weight of evidence and quantitative expert judgement (first tier), or they may be elaborated in substeps using quantitative models (second tier). An example of an application of the first tier approach is provided. Guidance is provided on how to derive models of appropriate complexity to conduct a second tier assessment. Each assessment is operationalised using Monte Carlo simulations that can compare scenarios for relevant factors, e.g. with or without RROs. This document provides guidance on how to compare scenarios to draw conclusions on the magnitude of pest risks and the effectiveness of RROs and on how to communicate assessment results.This publication is linked to the following EFSA Supporting Publications article: This guidance supersedes: a) the entire Guidance on a harmonised framework for pest risk assessment and the identification and evaluation of pest risk management options by EFSA. ; b) Sections 1.8 and 1.9 of Guidance on methodology for evaluation of the effectiveness of options for reducing the risk of introduction and spread of organisms harmful to plant health in the EU territory. '
Lingua originaleEnglish
pagine (da-a)1-86
Numero di pagine86
RivistaEFSA Journal
Volume16
DOI
Stato di pubblicazionePubblicato - 2018

Keywords

  • Expert knowledge elicitation
  • Guidance
  • Model
  • Quantitative pest risk assessment
  • Risk communication
  • Risk reduction option
  • Uncertainty

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