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Corey Chivers and Brian Leung Predicting invasions: alternative models of human-mediated dispersal and interactions between dispersal network structure and Allee effects Journal of Applied Ecology 49

Article first published online: 31 JUL 2012 | DOI: 10.1111/j.1365-2664.2012.02183.x

The dispersal and establishment of species into novel habitats are central components of the invasion process and of quantitative risk assessments. However, predictions are dependent on the estimated spatial structure of the dispersal network and its potential interactions with species characteristics. This study demonstrates that Allee effects can interact with dispersal network structure to significantly alter predicted spread rates and that the consequences of these interactions manifest differently at the system and site levels. This modelling framework can be used to inform management interventions aimed at modifying human-mediated dispersal to reduce the spread of invasive species.

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