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Table 7 Masses of heavy metals accumulated in pond/ditch sediments, plant bed soils and plants

From: Retention and mitigation of metals in sediment, soil, water, and plant of a newly constructed root-channel wetland (China) from slightly polluted source water

Structural unit

Type

Area/m2

Cd/g

Cr/g

Cu/g

Ni/g

Zn/g

Pb/g

Sum/g

Percentage

Pond

Sediment

3615.43

20.19

9671.14

2412.70

3948.40

7237.27

3408.46

26698.15

30.98%

Ditch

Sediment

3554.16

20.68

10153.41

2370.52

3995.47

8133.73

3182.92

27856.72

32.32%

Plant bed

Soil

1740.14

17.26

12810.70

2917.46

5144.17

7878.62

2832.86

31601.07

36.67%

First part

Plant

735.40

0.07

1.65

3.20

0.97

5.58

0.72

12.19

0.01%

Second part

Plant

1004.74

0.03

2.46

3.89

1.50

7.70

0.68

16.26

0.02%

Total

  

58.22

32639.36

7707.76

13090.50

23262.91

9425.64

86184.39

100.00%