Fig. 5

The comparison of AIC values between each environmental factors about the diversity indices. The environmental variables were sorted in ascending order by AIC values. “Intercept” with black bar means the AIC value with no environmental variables. Plus sign means that the functional group was positively affected by the environmental factors and minus sign means negatively affected. The number of plus and minus sign represents the level of significant. One represents <0.05, two <0.01, and three <0.001