SHI

Parameter

pH value

Soil organic caron

${\text{Q}}_6^4$

Contamination

Soil texture

Altitude

Soil bulk density

Correlation coefficient 1995 y.

0.64*

−0.27

−0.65*

0.66*

−0.34

−0.27

0.43

Correlation coefficient 2007 y.

0.65*

−0.29

−0.74*

0.61*

−0.34

−0.27

0.58*

Correlation coefficient 2021 y.

0.67*

−0.19

−0.64*

0.63*

−0.34

−0.27

0.38