Table 1 The effects of greenbelt types (T) and distance to city center (D) on Cadmium (Cd) and lead (Pb) contents (mg/kg) in soils and plants.

From: Spatial heterogeneity of heavy metal contamination in soils and plants in Hefei, China

Model

Source

Df

Sum Sq

F

P

Pb in soil

T

3

7.54

8.82

<0.001

D

1

0.57

2

0.165

T × D

3

0.78

0.91

0.443

Residuals

40

11.4

  

Cd in soil

T

3

2.59

0.83

0.486

D

1

6.45

6.19

0.017

T × D

3

1.4

0.45

0.720

Residuals

40

41.67

  

Pb in M. grandflora

T

3

0.15

0.45

0.719

D

1

0.57

4.99

0.031

T × D

3

0.05

0.15

0.931

Residuals

40

4.53

  

Cd in M. grandflora

T

3

7.91

5.53

0.004

D

1

1.87

3.92

0.057

T × D

3

0.65

0.46

0.714

Residuals

32

15.26

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