Figure 5

Correlation matrix for selected trace elements in surface waters from the non-KBD (upper right) and KBD (lower left) areas in the Longzi County. *Correlation is significant at p < 0.05 level; **correlation is significant at p < 0.01 level.
Correlation matrix for selected trace elements in surface waters from the non-KBD (upper right) and KBD (lower left) areas in the Longzi County. *Correlation is significant at p < 0.05 level; **correlation is significant at p < 0.01 level.