Table 1 General features of superficial (0–1 cm) and deep (1–5 cm) sediments and pore water from different treatments

1.18 ± 0.02

0.90 ± 0.01

8.22 ± 0.14

1.84 ± 1.02

79.47 ± 35.30

7.33 ± 0.82

1.24 ± 0.05

0.80 ± 0.04

8.04 ± 0.03

5.65 ± 3.86

703.40 ± 77.75

–

1.04 ± 0.02

0.92 ± 0.02

20.41 ± 0.57

13.96 ± 1.64

68.76 ± 16.55

2.43 ± 0.53

1.08 ± 0.03

0.92 ± 0.03

20.84 ± 0.41

243.45 ± 23.78

812.69 ± 100.80

–

1.17 ± 0.01

0.88 ± 0.01

8.28 ± 0.21

1.40 ± 0.64

21.66 ± 13.60

7.44 ± 1.57

1.25 ± 0.04

0.82 ± 0.02

8.01 ± 0.16

0.73 ± 0.22

39.93 ± 20.39

–

1.04 ± 0.01

0.91 ± 0.02

21.62 ± 0.33

7.64 ± 1.81

13.46 ± 6.88

2.68 ± 0.20

1.08 ± 0.01

0.91 ± 0.01

22.03 ± 0.39

44.35 ± 45.69

72.35 ± 68.74

–