| Site |
Chemical parameters |
| Hg (0.00015-0.00071) |
Cr (0.081-0.370) |
Zn (0.1-0.4) |
Cd (0.01-0.03) |
Pb (0.03-0.3) |
| S1 |
0.00017 ± 0.000006b |
8.19 ± 0.08c |
21.46 ± 0.32c |
0.009 ± 0.0005b |
0.65 ± 0.035c |
| S2 |
0.00021 ± 0.00001c |
12.15 ± 0.24d |
17.28 ± 0.006b |
0.013 ± 0.00002d |
0.484 ± 0.01b |
| S3 |
0.00011 ± 0.000006a |
8.56 ± 0.26c |
22.04 ± 0.39d |
0.012 ± 0.0006cd |
0.67 ± 0.023cd |
| S4 |
0.00012 ± 0.000006a |
5.98 ± 0.11b |
29.4 ± 0.39e |
0.01 ± 0.001bc |
0.51 ± 0.012b |
| S5 |
0.0007 ± 0.00001d |
6.25 ± 0.04b |
20.92 ± 0.07d |
0.0088 ± 0.0004b |
0.76 ± 0.023d |
| S6 |
0.0001 ± 0.00000a |
1.29 ± 0.03a |
1.417 ± 0.04a |
0.0051 ± 0.0001a |
0.147 ± 0.002a |
|
| *Values with different letters showed significant differences (P<0.05), letter “a” indicates the smallest value for a given physicochemical parameters [8,15]. |
| Table 4: Mean value of metal concentration ± SD in mg kg-1 of dry weight of in S. corymbosus growing around the lake, value in parentheses () is critical range of metals in plant species. |
