Prioritising pathways, alien species, and sites for contingency planning
Climatic models developed using the Maxent modelling algorithm to assess the likelihood of species establishing in Durban (a: alligator weed; b: southern sandbur; c: American bullfrog; and d: red imported fire ant). The climatic models produced were overlaid with data on potential points of first introduction (pet and aquarium shops; plant nurseries and garden centres; and the Durban Harbour) to identify potential sites of first naturalisation for the species identified in this study. (Graphic: Padayachee et al. 2019)

Prioritising pathways, alien species, and sites for contingency planning

New species are introduced to environments outside their native ranges, sometimes causing negative ecological and socio-economic impacts. Identifying which species are potentially problematic is important in planning strategic responses for preventing introductions and mitigating impacts in vulnerable environments such as cities.

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