Restoration Effects of the Riparian Forest on the Intertidal Fish Fauna in an Urban Area of the Amazon River

Table 4

Parameter estimates, standard errors, Wald test, degrees of freedom, and descriptive level for the final logistic regression model adjusted between the species richness and environmental variables (vegetation, effluents, and residences) on the intertidal zone of the Amazon River at Macapá, Amapá (Brazil).

Variable		SE	Wald	df	Sig.
Vegetation	3.318	1.301	4.294	1	0.038	27.607
Effluents	−0.794	1.515	0.275	1	0.600	0.452
Residences	2.762	1.280	3.484	1	0.049	15.831
Constant	−1.630	1.172	1.934	1	0.164	5.100

: “” estimates of the parameters of equations; SE: standard error; Wald: Wald statistic; df: degrees of freedom; Sig: significance of the Wald statistics; : odds ratio.