Research Article
Resistance to and Accumulation of Heavy Metals by Actinobacteria Isolated from Abandoned Mining Areas
Table 1
Mean heavy metal concentrations, pH, and conductivity in mining residues samples.
| Mining areas | Mining residues content | | Heavy metals content g⋅Kg−1 | pH | Conductivity (mS⋅cm−1) | Pb | Cu | Zn | Cd | Cr | |
| Kettara | 0.028 ± 0.007 | 2.942 ± 0.134 | 0.685 ± 0.092 | ND | 0.017 ± 0.002 | 2.20 | 10.28 | Bir Nhass | 1.407 ± 0.341 | 0.095 ± 0.024 | 9.989 ± 1.223 | 0.075 ± 0.011 | 0.031 ± 0.005 | 6.52 | 2.21 | Sidi Bouatman | 10.189 ± 3.580 | 0.102 ± 0.029 | 18.870 ± 5.733 | 0.044 ± 0.017 | 0.035 ± 0.005 | 7.42 | 2.08 | Arbar plant | 1.619 ± 0.432 | 1.243 ± 0.079 | 14.434 ± 0.928 | 0.070 ± 0.007 | 0.006 ± 0.001 | 7.17 | 2.27 | Tenfit mine | 0.098 ± 0.002 | 0.498 ± 0.068 | 2.093 ± 1.020 | ND | 0.014 ± 0.001 | 7.52 | 1.46 |
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ND: not detected.
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