Relationships between plant diversity and the abundance and α-diversity of predatory ground beetles (Coleoptera: Carabidae) in a mature Asian temperate forest ecosystem.

Below 1000 m in the mixed coniferous and broad-leaved forest elevation zone, the first model using vegetation parameters as independent variables indicated that carabid activity abundance was negatively associated with TH (β = −1.67, P = 0.002) ( Table 2 , Model 6, AIC = 5.37, adjusted R 2 = 0.62, F 2,8 = 17.37, P = 0.002), while the second model also included a positive relationship with SD (β = 0.012, P = 0.012), with a highly significant overall model fit ( Table 2 , Model 7, AIC = −1.79, adjusted R 2 = 0.82, F 2,8 = 23.07, P <0.001).

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