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. 2020 Apr 14;10:6406. doi: 10.1038/s41598-020-62422-z

Table 2.

Summary of models predicting abundance of Aphis fabae (BB) and Acyrthosiphon pisum (PA) and the occurrence of predators and ants found on colonies of each aphid species as response variables, and proportion of habitat types, plant richness and aphid species, predators and ants as explanatory variables.

Model ID AIC Response variable Explanatory variable Coefficient value ± SE P
1 304.6 PA aphid Intercept 1.103 ± 0.196 0.0000
Presence of predators 0.556 ± 0.090 0.0000
Proportion of buildings 0.549 ± 0.346 0.1152
2 279.4 BB aphid Intercept 1.862 ± 0.185 0.0000
Presence of predators 0.188 ± 0.078 0.0165
Presence of ants 0.440 ± 0.078 0.0000
Plant richness −0.003 ± 0.002 0.1151
Proportion of buildings 0.557 ± 0.316 0.0796
3 182.9 PA predators Intercept −1.101 ± 0.551 0.0457
PA aphid 1.664 ± 0.551 0.0000
Presence of ants −1.341 ± 0.502 0.0076
Proportion of buildings −3.320 ± 1.743 0.0568
4 212.2 BB predators Intercept 0.342 ± 0.638 0.5920
BB aphid 0.790 ± 0.316 0.0124
Presence of ants −1.119 ± 0.407 0.0060
Proportion of roads −2.120 ± 0.926 0.0221
5 163.3 PA ants Intercept −1.545 ± 0.420 0.0002
Presence of predators −1.147 ± 0.450 0.0108
Proportion of buildings 5.169 ± 1.682 0.0021
6 185.9 BB ants Intercept −6.627 ± 1.229 0.0000
BB aphid 2.087 ± 0.419 0.0000
Presence of predators −0.888 ± 0.408 0.0294
Plant richness 0.036 ± 0.011 0.0015
Proportion of roads 2.042 ± 1.013 0.0438

AIC values for each model are given. Models with significant explanatory factors are shown in bold.