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hotspot maps

hotspot maps

A study of the dynamics of the invasion and successful eradication of the European grapevine moth (Lobesia botrana) in California between 2009 and 2016 showed that the infested areas in Napa County were clustered in “hot spots” that were nevertheless larger in scale than the moth’s dispersal range. And the researchers found strong relationships between infestation occurrences and proximity to transportation corridors. Both indicated that human-aided transport likely played a key role in the spread of the moth. (Image originally published in Schartel et al 2019, Annals of the Entomological Society of America)

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