Table 2. Predicted probability and significance

	B	S.E.	Wald	df	Sig.	Exp (B)
Altitude	0.008	0.006	2.133	1	0.144	1.008
Water temp.	0.052	0.160	0.106	1	0.745	1.054
Water pH	0.038	0.837	0.002	1	0.964	1.039
Water TDS	–0.054	0.020	6.850	1	0.009	0.948
Water salinity	–0.098	0.050	3.796	1	0.051	0.907
Constant	0.989	10.846	0.008	1	0.927	2.689