Table 5.

Comparison of linear and negative binomial regression analysis of larval abundance for all data points and significant principal components^*

Species	PC	Lin. regression		Neg. binomial
		Coefficient	AIC	Coefficient	AIC
An. janconnae	2	−0.99†	426.37	−0.75	164.67
	5	0.31	435.39	0.52‡	177.39
An. goeldii	1	0.43	417.83	0.64†	187.98
	4	0.33	419.33	0.48§	193.48
An. triannulatus	3	−0.29	330.53	−0.48§	187.19
An. oryzalimnetes	1	0.22§	256.93	0.60†	108.51
	3	−0.16	259.63	−0.79§	109.5
An. marajoara	3	−0.68‡	435.91	−1.63†	148.54

^*Significance:

^‡P ≤ 0.05;

^§P ≤ 0.01;

^†P ≤ 0.001. Akaike information criterion (AIC), a measure of the relative goodness of fit of a statistical model, is included, with the preferred model (bold) having the minimum AIC value.