Table 7 Correlation coefficients between heavy metal pollutants (N = 272).
From: Soil heavy metal contamination assessment in the Hun-Taizi River watershed, China
As | Cd | Cr | Cu | Hg | Ni | Pb | Zn | |
|---|---|---|---|---|---|---|---|---|
As | 1 | |||||||
Cd | 0.058 | 1 | ||||||
Cr | 0.082 | 0.027 | 1 | |||||
Cu | 0.029 | 0.060 | 0.089 | 1 | ||||
Hg | −0.117 | 0.028 | 0.057 | 0.367** | 1 | |||
Ni | 0.082 | 0.036 | 0.999** | 0.093 | 0.061 | 1 | ||
Pb | −0.143* | 0.253** | 0.059 | 0.044 | 0.178** | 0.056 | 1 | |
Zn | −0.163** | 0.236** | 0.086 | 0.183** | 0.132* | 0.094 | 0.407** | 1 |
