General guidelines for statistically sound and risk-based surveys of plant pests

At the request of the European Commission, EFSA prepared the general guidelines for surveys of plant pests, describing the legal, international and scientific context in which the surveys are designed, the basic principles implemented for surveillance of quarantine pests and introducing the concepts...

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Autores principales: Lázaro, Elena, Parnell, Stephen, Vicent, Antonio, Schans, Jan, Schenk, Martijn, Cortinas-Abrahantes, Jose, Zancanaro, Gabriele, Vos, Sybren
Formato: Artículo
Lenguaje:Inglés
Publicado: Wiley Online Library 2021
Materias:
Acceso en línea:http://hdl.handle.net/20.500.11939/7470
https://efsa.onlinelibrary.wiley.com/doi/abs/10.2903/sp.efsa.2020.EN-1919
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author Lázaro, Elena
Parnell, Stephen
Vicent, Antonio
Schans, Jan
Schenk, Martijn
Cortinas-Abrahantes, Jose
Zancanaro, Gabriele
Vos, Sybren
author_browse Cortinas-Abrahantes, Jose
Lázaro, Elena
Parnell, Stephen
Schans, Jan
Schenk, Martijn
Vicent, Antonio
Vos, Sybren
Zancanaro, Gabriele
author_facet Lázaro, Elena
Parnell, Stephen
Vicent, Antonio
Schans, Jan
Schenk, Martijn
Cortinas-Abrahantes, Jose
Zancanaro, Gabriele
Vos, Sybren
author_sort Lázaro, Elena
collection ReDivia
description At the request of the European Commission, EFSA prepared the general guidelines for surveys of plant pests, describing the legal, international and scientific context in which the surveys are designed, the basic principles implemented for surveillance of quarantine pests and introducing the concepts needed for the design of statistically sound and risk-based surveys. Three types of specific surveys are addressed: detection surveys for substantiation of pest freedom, delimiting surveys for determining the boundaries of an infested zone, and monitoring surveys for prevalence estimation when measuring the progress of eradication measures or for confirming a low pest prevalence area. For each survey, the survey parameters are introduced and their interactions analysed showing the importance of the assumptions that are taken for each one of them: (i) the aims of the survey are defined as the confidence of detecting a given pest prevalence (design prevalence), this reflects the trade-off between the acceptable level of the risk and availability of resources that determine the strength of the evidence to support the conclusion of the survey; (ii) the target population is addressed in terms of its structure and size, including the risk factors; and (iii) the method sensitivity is defined as the combination of the sampling effectiveness and the diagnostic sensitivity. EFSA’s RiBESS+ tool is introduced for calculating the sample size using the survey parameters as input values for a statistically sound and risk-based survey design. The mathematical principles behind the tool are in line with the International Standards for Phytosanitary Measures. The survey design is flexible and can be tailored to each pest and specific situation in the Member States. Once the survey is implemented following this approach, the conclusions allow surveys to be compared across time and space, contributing to the harmonisation of surveillance activities across the EU Member States.
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spelling ReDivia74702025-04-25T14:48:20Z General guidelines for statistically sound and risk-based surveys of plant pests Lázaro, Elena Parnell, Stephen Vicent, Antonio Schans, Jan Schenk, Martijn Cortinas-Abrahantes, Jose Zancanaro, Gabriele Vos, Sybren Confidence level Delimiting survey Design prevalence Detection survey Method sensitivity Monitoring survey Target population U40 Surveying methods H10 Pests of plants At the request of the European Commission, EFSA prepared the general guidelines for surveys of plant pests, describing the legal, international and scientific context in which the surveys are designed, the basic principles implemented for surveillance of quarantine pests and introducing the concepts needed for the design of statistically sound and risk-based surveys. Three types of specific surveys are addressed: detection surveys for substantiation of pest freedom, delimiting surveys for determining the boundaries of an infested zone, and monitoring surveys for prevalence estimation when measuring the progress of eradication measures or for confirming a low pest prevalence area. For each survey, the survey parameters are introduced and their interactions analysed showing the importance of the assumptions that are taken for each one of them: (i) the aims of the survey are defined as the confidence of detecting a given pest prevalence (design prevalence), this reflects the trade-off between the acceptable level of the risk and availability of resources that determine the strength of the evidence to support the conclusion of the survey; (ii) the target population is addressed in terms of its structure and size, including the risk factors; and (iii) the method sensitivity is defined as the combination of the sampling effectiveness and the diagnostic sensitivity. EFSA’s RiBESS+ tool is introduced for calculating the sample size using the survey parameters as input values for a statistically sound and risk-based survey design. The mathematical principles behind the tool are in line with the International Standards for Phytosanitary Measures. The survey design is flexible and can be tailored to each pest and specific situation in the Member States. Once the survey is implemented following this approach, the conclusions allow surveys to be compared across time and space, contributing to the harmonisation of surveillance activities across the EU Member States. 2021-06-28T12:08:35Z 2021-06-28T12:08:35Z 2020 article publishedVersion Lázaro, E., Parnell, S., Vicent, A., Schans, J., Schenk, M. et al. (2020). General guidelines for statistically sound and risk‐based surveys of plant pests, EFSA Supporting Publications,17(9),EN-1919. 2397-8325 (online ISSN) http://hdl.handle.net/20.500.11939/7470 10.2903/sp.efsa.2020.EN-1919 https://efsa.onlinelibrary.wiley.com/doi/abs/10.2903/sp.efsa.2020.EN-1919 en Atribución-NoComercial-SinDerivadas 3.0 España http://creativecommons.org/licenses/by-nc-nd/3.0/es/ openAccess Wiley Online Library electronico
spellingShingle Confidence level
Delimiting survey
Design prevalence
Detection survey
Method sensitivity
Monitoring survey
Target population
U40 Surveying methods
H10 Pests of plants
Lázaro, Elena
Parnell, Stephen
Vicent, Antonio
Schans, Jan
Schenk, Martijn
Cortinas-Abrahantes, Jose
Zancanaro, Gabriele
Vos, Sybren
General guidelines for statistically sound and risk-based surveys of plant pests
title General guidelines for statistically sound and risk-based surveys of plant pests
title_full General guidelines for statistically sound and risk-based surveys of plant pests
title_fullStr General guidelines for statistically sound and risk-based surveys of plant pests
title_full_unstemmed General guidelines for statistically sound and risk-based surveys of plant pests
title_short General guidelines for statistically sound and risk-based surveys of plant pests
title_sort general guidelines for statistically sound and risk based surveys of plant pests
topic Confidence level
Delimiting survey
Design prevalence
Detection survey
Method sensitivity
Monitoring survey
Target population
U40 Surveying methods
H10 Pests of plants
url http://hdl.handle.net/20.500.11939/7470
https://efsa.onlinelibrary.wiley.com/doi/abs/10.2903/sp.efsa.2020.EN-1919
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