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Date: | Sat, 27 Jun 2020 05:59:07 -0400 |
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I did a cursory scan of the biological invasion literature during the preparation of our Varroa Action Plan here in Newfoundland and Labrador (NL) (e.g., Hengeveld 1989; Shigesada and Kawasaki 1997). The epidemiology of the spread of measles, the European starling and many other exotic species is immensely interesting! However, no one appears to have analyzed the spread of Varroa from an epidemiological perspective.
Varroa’s spread across NL would likely occur as a “stratified diffusion,” as described by Hengeveld (1989), Shigesada and Kawasaki (1997), and others. Shigesada and Kawasaki’s (1997: 80-93) “scattered colony” and “coalescing colony” models apply well to Varroa.
In the end, we did not employ biological invasion modelling approaches because they do not provide additional explanatory or predictive power with respect to how Varroa would spread in NL following an incursion, beyond the qualitative pathways analysis we conducted.
Hengeveld R. Dynamics of biological invasions. 1989. London: Chapman and Hall.
Shigesada N, Kawasaki K. Biological invasions: theory and practice. 1997. Oxford: Oxford University Press.
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