Table 7 Pathways risk analysis for identified pathways into the Kimberley region (continued) Risk (pathway) Risk Risk Risk outcome Current mitigation strategies score rating (P x S) Escapes 3 2 6 Moderate Areas impacted are generally small and A post border issue for the most part. adjacent to the locations where the problematic species is being grown. Waste disposal 3 2 6 Moderate Areas impacted are generally small and A post border issue for the most part. adjacent to the locations where problematic species are dumped. Natural spread by 2 2 4 Low Depending on the specific pathway, spread will Management of natural seed dispersal from animals, wind be either cross border or from the coast moving overseas or across the border is not possible, inland. Most species that are commonly spread but good surveillance of the most obviously by this pathway in the Kimberley would already effected zones can keep this risk low. have made numerous incursions over the years. Water 2 2 4 Low Significant water dispersal would normally take Surveillance of flood plains is a somewhat place after cyclones or other large rainfall events simpler exercise in that the areas to be as floods which would include cross border checked can be planned in advance prior to dispersal. floods, with the extent of the flooding determining the areas to be searched. Nursery industry 1 3 3 Low Widespread dispersal into gardens, amenity and Well controlled via Permitted list, plant health landscaping plantings allows dispersal of a large import requirements and consignment checks range of weedy species over potentially vast by inspectors. areas of the state. Coarse grains 1 3 3 Low The use of such produce in agricultural areas Well controlled via a permitted list , plant health and fodder trade can mean dispersal directly into areas of the import requirements and consignment checks (as seed) highest potential impact. by inspectors including samples taken to determine level and identity of any contaminants P1 = probability of event occurring; S2 = severity of potential outcome (1 'Low' to 5 'Extreme')
Table 7 Pathways risk analysis for identified pathways into the Kimberley region (continued) Risk (pathway) Risk score (P x S) Risk rating Risk outcome Current mitigation strategies Escapes 3 2 6 Moderate Areas impacted are generally small and adjacent to the locations where the problematic species is being grown. A post border issue for the most part. Waste disposal 3 2 6 Moderate Areas impacted are generally small and adjacent to the locations where problematic species are dumped. A post border issue for the most part. Natural spread by animals, wind 2 2 4 Low Depending on the specific pathway, spread will be either cross border or from the coast moving inland. Most species that are commonly spread by this pathway in the Kimberley would already have made numerous incursions over the years. Management of natural seed dispersal from overseas or across the border is not possible, but good surveillance of the most obviously effected zones can keep this risk low. Water 2 2 4 Low Significant water dispersal would normally take place after cyclones or other large rainfall events as floods which would include cross border dispersal. Surveillance of flood plains is a somewhat simpler exercise in that the areas to be checked can be planned in advance prior to floods, with the extent of the flooding determining the areas to be searched. Nursery industry 1 3 3 Low Widespread dispersal into gardens, amenity and landscaping plantings allows dispersal of a large range of weedy species over potentially vast areas of the state. Well controlled via Permitted list, plant health import requirements and consignment checks by inspectors. Coarse grains and fodder trade (as seed) 1 3 3 Low The use of such produce in agricultural areas can mean dispersal directly into areas of the highest potential impact. Well controlled via a permitted list , plant health import requirements and consignment checks by inspectors including samples taken to determine level and identity of any contaminants P1 = probability of event occurring; S2 = severity of potential outcome (1 'Low' to 5 'Extreme')
Weed%20threats%20to%20the%20Kimberley%20Region.docx