Table 5.

Spearman rank correlation values between the independent variables considered in the analysis. Bonferonni correction was applied to the p-values and significant correlations (p<0.05) are starred.

Variable	DCW auto-covariate	CCW auto-covariate	Portion dis-connected	Stream density	Wetland density	Wetland areal abund.	Dominance of lg. water bodies	MI	Precip	PET	Avail water storage (0–150 cm)	Annual min depth to water table	Ksat	Slope gradient	Ag land cover	Percent drained
DCW autocovariate	1	na	0.45*	−0.66*	0.48*	0.48*	−0.04	0.03	−0.05	0.03	0.29	0.54*	0.21	−0.58*	0.33*	0.22
CCW autocovariate		1	−0.11	−0.16	0.15	0.27	0.18	−0.29	−0.26	0.15	0.05	−0.04	0.01	−0.16	−0.03	−0.07
Portion DCW of total water			1	−0.38*	0.32*	−0.09	−0.63*	0.33*	0.20	−0.05	0.37*	0.54*	0.11	−0.34*	0.46*	0.26
Stream density				1	−0.33*	−0.37*	−0.05	−0.34*	−0.21	0.09	−0.34*	−0.62*	−0.47*	0.66*	−0.33*	−0.2
Wetland density					1	0.79*	−0.02	0.24	0.19	−0.1	0.26	0.29	−0.03	−0.19	0.11	0.25
Wetland areal abundance						1	0.44	0.18	0.06	−0.1	0.21	0.26	−0.01	−0.29	0.05	0.23
Dominance of lg water bodies							1	−0.22	−0.16	0	−0.11	−0.1	0.08	0.1	−0.24	−0.01
MI								1	0.86*	−0.2	0.60*	0.67*	0.14	−0.41*	0.80*	0.64*
Precipitation									1	0.25	0.48*	0.44*	0.03	−0.17	0.66*	0.50*
PET										1	−0.07	−0.21	−0.2	0.12	−0.08	−0.16
Avail water storage (0–150 cm)											1	0.49*	−0.05	−0.44*	0.66*	0.51*
Annual min depth to water table												1	0.19	−0.61*	0.69*	0.57*
Ksat													1	−0.25	0.02	−0.07
Slope gradient														1	−0.63*	−0.32*
Agricultural land cover															1	0.63*

DCW: surface water disconnected from the stream network, CCW: continuously connected surface water, MI: Moisture Index, PET: potential evapotranspiration, precip: precipitation, lg: large, ag: agricultural, Ksat: saturated hydraulic conductivity, na: not applicable