Table 7.
The integrated ecological risk index (ERI) for heavy metals in agricultural soils of Aghili plain
| Stations | ERI | |||||||
|---|---|---|---|---|---|---|---|---|
| Zn | Cr | Cd | As | Hg | Pb | Cu | Ni | |
| 1 | 0.69 | 1.90 | 21.60 | 7.02 | 11.43 | 2.00 | 6.11 | 16.28 |
| 2 | 0.52 | 1.38 | 16.80 | 4.26 | 11.43 | 1.57 | 4.71 | 11.72 |
| 3 | 0.65 | 1.76 | 19.80 | 5.96 | 5.71 | 1.90 | 5.71 | 14.97 |
| 4 | 0.87 | 2.05 | 16.20 | 13.19 | 5.71 | 3.17 | 7.82 | 15.56 |
| 5 | 0.71 | 1.86 | 20.40 | 6.17 | 4.29 | 1.97 | 6.32 | 15.69 |
| 6 | 0.58 | 1.48 | 16.80 | 3.62 | 5.71 | 1.67 | 5.04 | 12.08 |
| 7 | 0.84 | 2.24 | 21.60 | 6.17 | 5.71 | 2.50 | 7.36 | 18.92 |
| 8 | 0.21 | 0.76 | 15.60 | 0.16 | 4.29 | 0.80 | 2.75 | 6.64 |
| 9 | 0.76 | 2.10 | 20.40 | 4.26 | 4.29 | 1.97 | 7.21 | 16.06 |
| 10 | 1.08 | 2.10 | 19.20 | 6.38 | 5.71 | 3.50 | 12.29 | 16.31 |
| 11 | 0.53 | 1.48 | 17.40 | 2.98 | 5.71 | 1.60 | 5.25 | 12.36 |
| 12 | 0.71 | 1.81 | 18.00 | 7.45 | 11.43 | 2.50 | 6.39 | 17.36 |
| 13 | 1.10 | 2.86 | 28.20 | 4.47 | 4.29 | 2.97 | 9.50 | 20.94 |
| 14 | 0.66 | 1.62 | 21.00 | 2.77 | 5.71 | 1.63 | 5.64 | 13.56 |
| 15 | 0.68 | 1.86 | 18.60 | 2.98 | 5.71 | 1.97 | 6.21 | 14.50 |
| 16 | 1.08 | 2.05 | 19.20 | 6.38 | 5.71 | 3.50 | 12.21 | 16.33 |
| 17 | 0.60 | 1.67 | 18.00 | 3.40 | 11.43 | 1.73 | 5.64 | 13.61 |
| 18 | 0.61 | 1.48 | 17.40 | 1.49 | 5.71 | 1.60 | 5.43 | 12.53 |
| 19 | 0.65 | 1.48 | 16.80 | 1.70 | 5.71 | 1.60 | 5.39 | 11.83 |
| 20 | 0.50 | 1.57 | 17.40 | 4.89 | 17.14 | 1.63 | 5.39 | 10.22 |
| 21 | 0.79 | 2.05 | 21.00 | 5.53 | 11.43 | 2.37 | 7.07 | 17.06 |
| 22 | 0.68 | 1.76 | 20.40 | 3.40 | 4.29 | 1.97 | 5.96 | 15.11 |
| 23 | 0.82 | 1.71 | 18.00 | 4.26 | 5.71 | 2.00 | 6.36 | 13.25 |
| 24 | 0.89 | 2.29 | 21.00 | 1.49 | 11.43 | 2.17 | 7.00 | 17.75 |
| 25 | 0.58 | 1.62 | 16.20 | 5.74 | 5.71 | 1.73 | 5.68 | 11.72 |
| 26 | 0.40 | 1.14 | 16.80 | 1.28 | 17.14 | 1.23 | 4.00 | 10.33 |
| 27 | 0.74 | 2.14 | 20.40 | 2.13 | 5.71 | 2.00 | 6.93 | 16.14 |
| 28 | 0.81 | 2.14 | 21.00 | 2.55 | 5.71 | 2.10 | 6.64 | 17.33 |
| 29 | 0.60 | 1.81 | 12.60 | 5.11 | 5.71 | 1.73 | 5.68 | 13.86 |
| 30 | 0.68 | 1.71 | 19.20 | 1.91 | 5.71 | 1.70 | 5.75 | 13.86 |
| 31 | 0.74 | 1.86 | 32.40 | 2.55 | 4.29 | 2.03 | 6.46 | 14.11 |
| 32 | 0.92 | 2.24 | 21.60 | 6.38 | 17.14 | 2.53 | 7.86 | 17.47 |
| 33 | 0.55 | 1.62 | 15.00 | 5.11 | 11.43 | 1.60 | 5.18 | 12.64 |
| 34 | 0.56 | 1.57 | 15.60 | 1.28 | 5.71 | 1.60 | 5.46 | 12.08 |
| 35 | 0.82 | 2.05 | 19.20 | 6.81 | 11.43 | 2.37 | 7.29 | 15.47 |
| 36 | 0.56 | 1.67 | 12.60 | 10.64 | 5.71 | 1.53 | 6.32 | 15.25 |
| 37 | 0.66 | 2.24 | 17.40 | 7.45 | 4.29 | 2.00 | 6.61 | 21.14 |
| 38 | 0.84 | 2.48 | 19.20 | 6.38 | 4.29 | 2.27 | 8.00 | 24.19 |
| 39 | 0.79 | 2.24 | 15.00 | 10.21 | 11.43 | 2.33 | 7.75 | 21.44 |
| 40 | 0.71 | 2.38 | 16.20 | 11.28 | 5.71 | 2.07 | 7.04 | 23.42 |
| 41 | 0.55 | 1.52 | 15.00 | 6.60 | 4.29 | 1.67 | 5.57 | 15.31 |
| 42 | 0.76 | 2.00 | 12.00 | 10.85 | 5.71 | 2.60 | 7.50 | 18.78 |
| 43 | 0.53 | 1.81 | 12.60 | 8.09 | 11.43 | 1.60 | 5.64 | 17.17 |
| 44 | 0.87 | 2.24 | 18.60 | 7.23 | 4.29 | 2.43 | 8.00 | 21.17 |
| 45 | 0.94 | 2.43 | 16.20 | 10.43 | 5.71 | 2.97 | 8.57 | 23.39 |
| 46 | 0.58 | 1.90 | 17.40 | 7.45 | 11.43 | 1.87 | 5.54 | 17.64 |
| 47 | 0.71 | 1.95 | 18.00 | 10.00 | 5.71 | 2.53 | 7.25 | 18.47 |
| 48 | 0.71 | 2.10 | 16.20 | 10.21 | 5.71 | 2.23 | 7.36 | 19.83 |
| 49 | 0.55 | 1.86 | 14.40 | 7.87 | 4.29 | 1.67 | 5.89 | 18.67 |
| 50 | 0.73 | 2.05 | 15.00 | 8.94 | 5.71 | 2.10 | 7.11 | 20.89 |
| 51 | 0.58 | 1.86 | 16.80 | 8.30 | 4.29 | 1.83 | 6.14 | 19.06 |
| 52 | 0.55 | 1.67 | 13.20 | 8.94 | 4.29 | 1.73 | 5.57 | 16.53 |
| 53 | 0.66 | 2.05 | 16.80 | 8.30 | 11.43 | 2.07 | 6.46 | 20.56 |
| 54 | 0.66 | 2.14 | 15.60 | 7.45 | 4.29 | 1.83 | 6.61 | 21.36 |