Skip to main content

Table 1 Heavy metal contents in surface sediments of the Shenzhen Bay compared with the average heavy metal contents in sediments of other bays/harbours around the world (mg·kg−1, dry weight)

From: Spatial distribution and contamination assessment of heavy metal pollution of sediments in coastal reclamation areas: a case study in Shenzhen Bay, China

 

As

Cd

Cr

Cu

Pb

Zn

No. of samples

References

Shenzhen Bay, China

18.27

0.2

40.61

50.74

37.09

175.80

15

This study (average)

4.02–41.34

0.05–0.81

5.06–81.87

16.41–81.48

5.41–67.21

83.22–259.57

15

This study (range)

Yellow River Estuary, China

NA

NA

44.09

22.85

43.05

54.12

96

[33]

Pearl River Estuary, China

NA

NA

106

45.7

57.9

177

23

[42]

Yangtze River Estuary, China

9.1

0.19

79.1

24.7

23.8

82.9

30

[37]

Jiaozhou Bay, China

NA

0.42

69.9

38.8

55.2

107.4

29

[39]

Zhelin Bay, China

5.47

0.051

69.9

88.0

50.9

204.5

16

[13]

Oyster Bay, Australia

15

NA

NA

35

98

204

55

[1]

Florida Bay, USA

NA

NA

162

15

8.4

31

40

[5]

Izmit Bay, Turkey

21.8

4.9

74.3

67.6

102

930

8

(Pekey, H., 2006)

Masan Bay, Korea

NA

1.24

67.07

43.4

43.97

206.26

56

[14]

Gironde Estuary, France

18.7

0.48

78.4

24.5

46.8

168

323

[24]

Andaman Island, India

NA

0.8–1

13–20

81–88

4–5

12–23

15

[28]

Class-1

20

0.5

80

35

60

150

 

CSBTS (2002)

Class-2

65

1.5

150

100

130

350

 

CSBTS (2002)

Class-3

93

5.0

270

200

250

600

 

CSBTS (2002)

BG

10

0.5

60

25

30

80

  
  1. NA not available
  2. Class-1, Class-2, and Class-3 are the Marine Sediment Quality Standards (GB 18668–2002) issued by the China State Bureau of Quality and Technical Supervision (CSBTS, 2002). The background (BG) value was taken from the Chinese National Marine Sediment Category Standard (State Oceanic Administration, 2004)