PEST RISK ANALYSIS (PRA) TRAINING Group Exercises Manual

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GROUP EXERCISE NO. 3.1 PEST RISK ANALYSIS TRAINING - GROUP EXERCISES MANUAL 3. Regulatory status • Is the pest a quarantine pest in the PRA area? • Is it subject to an official control program? Regulated in PRA area? Yes [__] No [__] Comment: Important assumptions If the pest is present in the PRA area and not under official control, the PRA may stop. 4. Potential for establishment and spread in the PRA area • Does the known area of current distribution of the pest include climatic conditions comparable with those of the PRA area, or sufficiently similar for the pest to survive and reproduce (consider also protected conditions)? • Does the necessary host(s) plant species (for pests directly affecting plants) or a suitable habitat (for non-parasitic plants) occur in the PRA area (outdoors, in protected cultivation or both)? • If a vector is the only means by which the pest can spread, is a vector present in the PRA area? Potential to establish and spread? Important assumptions Yes [__] No [__] Comment: A preliminary judgement only is required at this stage of the PRA; this is not a fullblown assessment of the pest’s potential distribution. Instead, it is a quick comparison of the conditions in the pest’s known distribution and the conditions in the PRA area, to determine if the pest meets the specifications of the definition of a quarantine pest. If the answer is no, the PRA may stop. If yes, go to Question 5. 5. Potential for economic consequences in PRA area • Is the pest known to cause economic or environmental damage elsewhere? • Are susceptible hosts present in the PRA area? Are they of economic or environmental importance? • Are there pests present in the PRA that could become more serious if the pest were present (e.g., because it could be an efficient vector)? • Some organisms may not be known to be harmful in their area of current distribution, but may nevertheless have the potential to become pests in the PRA area. Is this situation a possibility? 22
PEST RISK ANALYSIS TRAINING - GROUP EXERCISES MANUAL GROUP EXERCISE NO. 3.1 Potential for economic consequences? Important assumptions Yes [__] No [__] Comment: As for the question regarding potential establishment and spread, this is a preliminary judgement of an organism’s potential to cause harm and therefore meet the specifications of the definition of a quarantine pest; it is not a full-blown assessment of potential economic impact. If the answer is no, the PRA may stop. If the answer is yes, the PRA will continue. 6. Conclusion of pest categorisation • Does this organism qualify as a potential quarantine pest for the PRA area? Summarize the main elements leading to your conclusion. Quarantine pest? Yes [__] No [__] Comment: Important assumptions Sources of uncertainty If it has been determined that the pest has the potential to be a quarantine pest, the PRA process should continue. If a pest does not fulfil all of the criteria for a quarantine pest, the PRA process may stop. In the absence of sufficient information, the uncertainties should be identified and the PRA process should continue. 23
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Page 3 and 4: Table of Contents Acknowledgements.
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PEST RISK ANALYSIS (PRA) TRAINING Group Exercises Manual

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