Zn

Pb

Ni

Mn

Cu

Cr

Fe

TOC

OM

TN

TF

TF

0.880**

0.899**

0.914**

0.919**

0.913**

0.897**

0.896**

0.961**

−0.266a

0.303a

-

TN

−0.035a

−0.102a

−0.020a

−0.042a

−0.066a

−0.016a

−0.046a

0.072a

−0.162a

-

OM

−0.097a

−0.145a

−0.137a

−0.152a

−0.135a

−0.112a

−0.119a

−0.147a

-

TOC

0.955**

0.974**

0.977**

0.982**

0.974**

0.964**

0.968**

-

Fe

0.998**

0.993**

0.999**

0.996**

0.998**

0.999**

-

Cr

0.999**

0.987**

0.998**

0.992**

0.995**

-

Cu

0.993**

0.998**

0.999**

0.999**

-

Mn

0.988**

0.998**

0.998**

-

Ni

0.995**

0.994**

-

Pb

0.984**

-

Zn

-