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Table 2 Correlations between enzyme activities and soil characteristics in group of coniferous and broadleaf forest stands

From: Assessment of forest soil contamination in Krakow surroundings in relation to the type of stand

 

Cd

Cu

Ni

Pb

Zn

pHH2O

Sand

Silt

Clay

C

N

C/N

BC

χ

Broadleaf stand

UR

0.66*

−0.14

0.77*

−0.21

0.68*

0.32

−0.56*

0.53*

0.66*

0.52*

0.24

−0.35

0.73*

0.07

DH

0.26

−0.19

0.56*

−0.11

0.39

0.02

−0.29

0.25

0.46*

0.34

0.17

−0.02

0.35

−0.01

Coniferous stand

UR

0.12

0.12

0.09

0.17

0.27

0.44*

−0.44*

0.42*

0.34

0.36

0.33

0.08

0.36

−0.21

DH

−0.02

−0.15

−0.03

0.11

0.05

0.22

0.06

−0.11

0.01

0.37

0.43*

0.38

0.08

−0.07

  1. * p < 0.05
  2. UR, urease activity; DH, dehydrogenase activity; C, carbon content; N, nitrogen content; BC, base cations; χ, mass magnetic susceptibility
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