Statistical Modeling to predict spatial distribution of an exotic ant and to evaluate its effects on native ant community

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We analyzed the expanding dynamics and impact of Argentine ants (Linepithema humile), an invasive alien species in Japan, on native ant community using Bayesian statistical models based on a long-term monitoring data taken from 2000 to 2012 in Hatsukaichi-city, Japan. The results clearly showed that the Argentine ants in high density decreased the density of native ant species, while the ecological factors controlling on their expansion could not detected.