Table 3 Spearman correlation matrix of HMs in the urban topsoil of Mianyang. **Correlation is significant at P < 0.01 (2-tailed). *Correlation is significant at P < 0.05 (2-tailed).

From: Spatial distribution and source apportionment of heavy metal(loid)s in urban topsoil in Mianyang, Southwest China

 

As

Ba

Co

Cr

Cu

Mn

Ni

Pb

Zn

V

Al

As

1

          

Ba

− 0.261**

1

         

Co

0.490**

− 0.124

1

        

Cr

− 0.235*

0.249*

− 0.315**

1

       

Cu

0.076

0.531**

0.08

0.378**

1

      

Mn

0.111

0.457**

0.13

− 0.14

0.275**

1

     

Ni

0.467**

0.304**

0.346**

− 0.154

0.404**

0.231*

1

    

Pb

0.512**

− 0.023

0.356**

0.171

0.460**

0.182

0.198*

1

   

Zn

− 0.172

0.663**

− 0.041

0.378**

0.754**

0.194

0.306**

0.323**

1

  

V

0.538**

0.303**

0.371**

− 0.144

0.349**

0.165

0.871**

0.241*

0.229*

1

 

Al

0.331**

0.126

0.267**

− 0.088

0.163

0.087

0.473**

0.105

0.07

0.501**

1

Fe

0.323**

0.081

0.296**

− 0.14

0.144

0.061

0.486**

0.03

0.063

0.485**

0.923**

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