Determinants of the population growth of the West Nile virus mosquito vector Culex pipiens in a repeatedly affected area in Italy

Table 3 Statistical models built to define the baseline population dynamics of Cx. pipiens

Model	ΔAIC_c	w AIC_c	R ² _LR
Gompertz	0.00	> 0.999	0.59
Gompertz mod. by humidity	33.26	< 0.001	0.58
Ricker	192.99	< 0.001	0.52
Ricker mod. by humidity	195.03	< 0.001	0.52
Growing degree-day (15 dd)	209.23	< 0.001	0.52
Growing degree-day	334.21	< 0.001	0.47
Gompertz mod. by by precipitation	354.26	< 0.001	0.46
Rainy days (15 dd)	355.79	< 0.001	0.46
Precipitation (15 dd)	357.21	< 0.001	0.46
Reference model	359.02	< 0.001	0.46
Exponential	359.02	< 0.001	0.46
Ricker mod. by precipitation	360.05	< 0.001	0.46
Minimum daily humidity	360.62	< 0.001	0.46
Precipitation	360.77	< 0.001	0.46
Average daily humidity (15 dd)	361.02	< 0.001	0.46

The models are reported in order of increasing ΔAIC_c, the reference model (i.e. mode with only length of daylight as explanatory variable) is reported in boldface.

ISSN: 1756-3305