Site | Number of samples | Minimum | Maximum | Mean ± std |
M/kwerekwe | 4 | 0.35 | 0.51 | 0.458 ± 0.074 |
Magogoni | 4 | 0.31 | 0.35 | 0.333 ± 0.017 |
Kwamchina | 5 | 0.19 | 0.23 | 0.204 ± 0.017 |
Mshelishelini | 5 | 0.11 | 0.29 | 0.190 ± 0.082 |
Fuoni | 7 | 0.05 | 0.20 | 0.130 ± 0.051 |