Development of Probabilistic Models for Quantitative Pathway Analysis of Plant Pest Introduction for the EU Territory. Holt, J., Leach, A. W., Mumford, J. D., MacLeod, A., Tomlinson, D., Baker, R., Christodoulou, M., Russo, L., & Marechal, A. 13(8):n/a.
Development of Probabilistic Models for Quantitative Pathway Analysis of Plant Pest Introduction for the EU Territory [link]Paper  doi  abstract   bibtex   
This report demonstrates a probabilistic quantitative pathway analysis model that can be used in risk assessment for plant pest introduction into EU territory on a range of edible commodities (apples, oranges, stone fruits and wheat). Two types of model were developed: a general commodity model that simulates distribution of an imported infested/infected commodity to and within the EU from source countries by month; and a consignment model that simulates the movement and distribution of individual consignments from source countries to destinations in the EU. The general pathway model has two modules. Module 1 is a trade pathway model, with a Eurostat database of five years of monthly trade volumes for each specific commodity into the EU28 from all source countries and territories. Infestation levels based on interception records, commercial quality standards or other information determine volume of infested commodity entering and transhipped within the EU. Module 2 allocates commodity volumes to processing, retail use and waste streams and overlays the distribution onto EU NUTS2 regions based on population densities and processing unit locations. Transfer potential to domestic host crops is a function of distribution of imported infested product and area of domestic production in NUTS2 regions, pest dispersal potential, and phenology of susceptibility in domestic crops. The consignment model covers the several routes on supply chains for processing and retail use. The output of the general pathway model is a distribution of estimated volumes of infested produce by NUTS2 region across the EU28, by month or annually; this is then related to the accessible susceptible domestic crop. Risk is expressed as a potential volume of infested fruit in potential contact with an area of susceptible domestic host crop. The output of the consignment model is a volume of infested produce retained at each stage along the specific consignment trade chain
@article{holtDevelopmentProbabilisticModels2016,
  title = {Development of Probabilistic Models for Quantitative Pathway Analysis of Plant Pest Introduction for the {{EU}} Territory},
  author = {Holt, J. and Leach, A. W. and Mumford, J. D. and MacLeod, A. and Tomlinson, D. and Baker, R. and Christodoulou, M. and Russo, L. and Marechal, A.},
  date = {2016-08},
  journaltitle = {EFSA Supporting Publications},
  volume = {13},
  pages = {n/a},
  issn = {2397-8325},
  doi = {10.2903/sp.efsa.2016.en-1062},
  url = {https://doi.org/10.2903/sp.efsa.2016.en-1062},
  abstract = {This report demonstrates a probabilistic quantitative pathway analysis model that can be used in risk assessment for plant pest introduction into EU territory on a range of edible commodities (apples, oranges, stone fruits and wheat). Two types of model were developed: a general commodity model that simulates distribution of an imported infested/infected commodity to and within the EU from source countries by month; and a consignment model that simulates the movement and distribution of individual consignments from source countries to destinations in the EU. The general pathway model has two modules. Module 1 is a trade pathway model, with a Eurostat database of five years of monthly trade volumes for each specific commodity into the EU28 from all source countries and territories. Infestation levels based on interception records, commercial quality standards or other information determine volume of infested commodity entering and transhipped within the EU. Module 2 allocates commodity volumes to processing, retail use and waste streams and overlays the distribution onto EU NUTS2 regions based on population densities and processing unit locations. Transfer potential to domestic host crops is a function of distribution of imported infested product and area of domestic production in NUTS2 regions, pest dispersal potential, and phenology of susceptibility in domestic crops. The consignment model covers the several routes on supply chains for processing and retail use. The output of the general pathway model is a distribution of estimated volumes of infested produce by NUTS2 region across the EU28, by month or annually; this is then related to the accessible susceptible domestic crop. Risk is expressed as a potential volume of infested fruit in potential contact with an area of susceptible domestic host crop. The output of the consignment model is a volume of infested produce retained at each stage along the specific consignment trade chain},
  keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-14124974,~to-add-doi-URL,environmental-modelling,european-union,plant-pests,spatial-analysis,spatial-prioritization,statistics},
  number = {8}
}
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