Table 1 Average values (± SD) of soluble heavy metal concentrations detected in mine tailing, Vachellia farnesiana (foliar tissue), and Eisenia fetida (earthworm), and their enrichment values in the throphic levels (tailing–plant, tailing-earthworm, and plant-earthworm) in Santa Rosa, Guerrero State, Mexico
Metal | Concentration (mg / kg) | Enrichment | ||||
|---|---|---|---|---|---|---|
Tailinga | Plant | Earthworm | Tailing-Plant | Tailing-Earthworm | Plant-Earthworm | |
As | 38.001 ± 16.486 | 0.072 ± 0.009 | 56.260 ± 22.213 | 0.002 ± 0.002 | 1.481 ± 0.732 | 803.713 ± 402.075 |
Cu | 108.549 ± 32.156 | 2.856 ± 0.193 | 30.189 ± 10.334 | 0.027 ± 0.008 | 0.278 ± 0.130 | 10.556 ± 3.451 |
Cd | 9.478 ± 2.021 | 0.087 ± 0.027 | 108.911 ± 63.127 | 0.008 ± 0.002 | 11.488 ± 3.902 | 1210.118 ± 523.656 |
Mn | 409.005 ± 187.101 | 99.002 ± 25.001 | 59.070 ± 11.567 | 0.237 ± 0.076 | 0.144 ± 0.056 | 0.597 ± 0.173 |
Ni | 16.201 ± 4.002 | 2.323 ± 1.081 | 20.821 ± 7.862 | 0.141 ± 0.006 | 1.285 ± 0.245 | 8.975 ± 2.645 |
Pb | 1108.807 ± 341.011 | 0.144 ± 0.120 | 178.758 ± 29.971 | 10− 4 ± 10− 5 | 0.161 ± 0.026 | 1276.846 ± 736.820 |
V | 157.786 ± 47.231 | 4.844 ± 2.070 | 2.824 ± 0.711 | 0.031 ± 0.005 | 0.018 ± 0.007 | 0.582 ± 0.286 |
Zn | 1426.193 ± 112.244 | 20.133 ± 17.201 | 403.495 ± 98.567 | 0.009 ± 0.001 | 0.283 ± 0.178 | 20.044 ± 2.938 |