Table 2.

Output of the negative binomial regression model in the generalized linear model to model the effect of physicochemical parameters and environmental exploratory variables on snail species abundance in the “glmmTMB package in R4.1.2.

Species	Fixed variables	Estimates	Confidence interval	p-value	Random effects
					Variance	Standard deviation
Bulinus globosus	Intercept	−4.39	−14.41 to 5.62	0.39	8.396e-10 4.312e-11	2.898e-05 6.567e-06
	Rainfall	0.01	−0.005 to 0.02	0.25
	Minimum LST	−0.12	−0.40 to 0.17	0.43
	Maximum LST	0.06	−0.29 to 0.42	0.74
	NDVI	5.36	0.35 to 10.37	0.04∗
	Dissolved oxygen	0.24	0.05 to 0.43	0.01∗
	pH	0.48	−0.39 to 1.36	0.29
	ORP	−0.01	−0.02 to −0.001	0.01∗
	NDWI	−5.84	−10.09 to −1.60	0.007∗
	Pressure	−0.01	−0.12 to 0.10	0.86
Biomphalaria pfeifferi	Intercept	4.81	−92.74 to 102.37	0.92	7.71e-09	8.781e-05
	Rainfall	−0.03	−0.14 to 0.09	0.65
	Minimum LST	−1.19	−4.25 to 1.87	0.45
	Maximum LST	0.72	−2.99 to 4.43	0.71
	NDVI	8.72	−45.96 to 63.39	0.76
	Dissolved oxygen	−0.53	−3.46 to 2.40	0.73
	pH	−0.04	−6.07 to 5.98	0.99
	ORP	−0.04	−0.09 to 0.01	0.12
	NDWI	3.09	−42.20 to 48.38	0.89
	Pressure	−0.005	−0.24 to 0.23	0.97

LST Land surface temperature.

NDVI Normalized difference vegetation index.

ORP oxidation-reduction potential.

NDWI Normalized difference wetness index.

∗Significant at p < 0.05.