Study of Abiotic and Biotic Parameters Affecting the Abundance of Mosquito Larvae (Diptera: Culicidae) in the Region of Fez (Morocco)

Table 1

Significant results of the abiotic and biotic factors affecting the distribution of species.

Species	Parameter	Estimate	Std. error	z value	Pr(>|z|)
Culex perexiguus (Theobald, 1903)	(Intercept)	1.04e + 00	1.83e − 01	5.69	1.2e − 08^,‡
	WUIr	−1.68e + 00	4.49e − 01	−3.74	0.00018^,‡
	Debris1	2.13e + 00	1.73e − 01	12.30	<2e − 16^,‡
	Indu1	8.50e − 01	1.83e − 01	4.66	3.2e − 06^,‡
	Build1	−8.26e − 01	1.89e − 01	−4.38	1.2e − 05^,‡
	GFilAlg1	7.06e − 01	2.02e − 01	3.49	0.00047^,‡
	DOxy	−4.57e − 01	4.97e − 02	−9.21	<2e − 16^,‡
	ECond	1.99e − 04	7.14e − 05	2.79	0.00522^,‡
	Debris1	−2.24e + 01	5.38e + 00	−4.17	3.0e − 05^,‡
	WDep	2.26e − 02	3.88e − 03	5.82	5.8e − 09^,‡
Culex theileri (Theobald, 1903)>	(Intercept)	−11.9430	2.1022	−5.68	1.3e − 08^,‡
	PVeg	1.7545	0.3954	4.44	9.1e − 06^,‡
	Build1	−2.1231	0.2939	−7.22	5.0e − 13^,‡
	GFilAlg1	1.7961	0.3441	5.22	1.8e − 07^,‡
	pH	1.2679	0.2295	5.53	3.3e − 08^,‡
	Sal	1.3591	0.2140	6.35	2.1e − 10^,‡
	DOxy	0.1367	0.0644	2.12	0.03377^,‡
	TDS	−1.0132	0.2868	−3.53	0.00041^,‡
Culex pipiens (linnaeus, 1758)	(Intercept)	1.59e + 00	8.73e − 01	1.83	0.06771^†
	WUIn	−9.94e − 01	2.62e − 01	−3.79	0.00015^,‡
	WUIr	2.95e + 00	2.63e − 01	11.22	<2e − 16^,‡
	Debris1	3.86e − 01	1.82e − 01	2.12	0.03438^,‡
	GW	1.26e + 00	4.41e − 01	2.85	0.00441^,‡
	IW	2.35e + 00	4.26e − 01	5.51	3.7e − 08^,‡
	YW	−1.45e + 01	6.81e + 02	−0.02	0.98304
	ZSlope	5.57e − 01	2.41e − 01	2.31	0.02068^,‡
	pH	−1.80e − 01	9.39e − 02	−1.92	0.05540^†
	Sal	6.94e − 01	2.20e − 01	3.15	0.00164^,‡
	DOxy	−4.49e − 01	4.76e − 02	−9.42	<2e − 16^,‡
	ECond	−7.10e − 04	1.69e − 04	−4.21	2.6e − 05^,‡
	WF	−1.64e + 01	2.17e + 00	−7.54	4.7e − 14^,‡
	TDS	−1.53e + 00	2.30e − 01	−6.64	3.1e − 11^,‡
	WDep	5.29e − 02	4.80e − 03	11.01	<2e − 16^,‡

Std. Error: standard error; z value: estimate/std. error; Pr(>|z|) = Pr(N(0,1)>|z-value|); significance codes: 0.001, 0.01, 0.05, ^†0.1, ^‡1; Build1: proximity of buildings construction; Indu1: proximity of industrial establishments; GW : green water; IW : incolor water; YW: yellow water; ECond : electrical conductivity; WF: water flow; Debris1: presence of debris; DOxy : dissolved oxygen; GFilAlg1 : presence of green filamentous algae; WUIr : water used for irrigation; pH : potential of hydrogen; WDep : water depth; Sal : salinity; ZSlope: zero slope; TDS : total dissolved solids; WUIn : water used for industry; PVeg: presence of vegetation.