Pn

Tr

Cs

Ci

Ls

WUE

IWUE

Pn

1

Tr

0.585

1

Cs

−0.518

0.208

1

Ci

−0.098

−0.308

−0.692

1

Ls

0.777

0.870

0.132

−0.580

1

WUE

−0.448

−0. 051

0.892

−0.845

0.098

1

IWUE

−0.055

0.669

0.862

−0.734

0.583

0.677

1