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. 2020 Feb 11;27(4):1174–1184. doi: 10.1016/j.sjbs.2020.02.004

Table 1.

Variation in mean concentration of heavy metals (mg/kg) in sediment and A. marina leaves.

Fe Mn Cu Zn Cd Cr Pb Ni
Sediments
S1 1551.45 ± 36.05 38.38 ± 30.13 77.25 ± 9.00 34.50 ± 18.75 18.63 ± 0.63 7.75 ± 3.00 133.00 ± 6.25 50.50 ± 1.75
S2 1464.82 ± 2.07 12.25 ± 0.25 76.00 ± 0.50 42.50 ± 5.10 7.50 ± 0.50 8.50 ± 0.50 256.82 ± 0.06 44.88 ± 0.63
S3 5393.90 ± 0.65 120.90 ± 0.40 109.88 ± 0.63 51.04 ± 0.29 4.40 ± 0.15 15.00 ± 0.50 162.75 ± 0.75 27.64 ± 0.11
S4 8939.38 ± 312.63 479.00 ± 39.25 98.25 ± 20.00 103.25 ± 25.75 6.75 ± 1.50 6.63 ± 1.88 150.13 ± 9.38 102.13 ± 19.38
S5 3093.68 ± 4.57 16.23 ± 0.02 73.30 ± 0.20 15.73 ± 0.02 15.73 ± 0.02 14.23 ± 4.98 288.50 ± 0.50 83.50 ± 0.50
S6 8723.25 ± 0.51 375.74 ± 0.01 218.50 ± 0.50 134.23 ± 0.02 20.06 ± 0.06 10.11 ± 0.11 206.40 ± 0.10 72.74 ± 0.01
S7 2711.05 ± 0.55 15.10 ± 0.10 76.76 ± 0.01 14.76 ± 0.01 19.20 ± 0.20 8.26 ± 0.01 273.26 ± 0.10 37.40 ± 0.40
S8 2410.23 ± 0.02 4.60 ± 0.10 44.26 ± 0.01 12.60 ± 0.10 15.35 ± 0.35 12.26 ± 0.01 180.30 ± 0.30 42.60 ± 0.10
ERL 34 150 1.2 81 46.7 20.9
ERM 270 410 9.6 370 218 51.6
TEL 18.7 124 0.68 52.3 30.2 15.9
PEL 108.2 271 4.2 160 112 42.8



Mangrove
S1 1464.55 ± 1.05 24.25 ± 0.25 35.35 ± 1.10 16.40 ± 0.15 2.77 ± 0.01 6.76 ± 0.01 93.35 ± 0.09 51.25 ± 0.25
S2 903.35 ± 0.10 10.55 ± 0.05 63.70 ± 0.20 33.76 ± 0.01 4.84 ± 0.09 7.60 ± 0.10 100.76 ± 0.01 24.38 ± 0.13
S3 1419 ± 246.50 43.75 ± 5.50 47.25 ± 3.50 47.75 ± 1.25 3.50 ± 0.75 5.38 ± 1.38 103.38 ± 24.88 21.25 ± 12.25
S4 2897.83 ± 0.08 127.25 ± 0.25 60.81 ± 0.05 19.54 ± 0.04 5.53 ± 0.03 3.27 ± 0.02 107.38 ± 0.13 75.85 ± 0.10
S5 922.835 ± 0.08 12.53 ± 0.02 53.53 ± 0.02 10.53 ± 0.03 5.25 ± 0.25 10.78 ± 0.03 124.39 ± 0.13 35.54 ± 0.04
S6 1599.7 ± 0.20 47.26 ± 0.25 45.54 ± 0.04 111.84 ± 0.09 18.25 ± 0.25 9.80 ± 0.05 96.25 ± 0.25 70.25 ± 0.25
S7 1401.13 ± 124.88 40.63 ± 14.13 51.75 ± 1.25 12.50 ± 1.50 10.50 ± 6.00 4.13 ± 0.63 129.75 ± 28.75 33.25 ± 20.75
S8 899.25 ± 0.25 2.53 ± 0.02 27.84 ± 0.09 11.58 ± 0.08 10.40 ± 0.15 5.40 ± 0.15 117.40 ± 0.15 15.55 ± 0.03
F Value 58.797 58.867 305.047 5.246 12.408 139.78 0.986 8.407
P Value 0.000 0.000 0.000 0.000 0.001 0.016 0.501 0.004