Table 4 The result of Pearson correlation matrix shows the relationships of the area-averaged trace metal concentrations, which are based on the seven individual areas (n = 7) in the root epidermis and endodermis.

From: Nanoscale measurement of trace element distributions in Spartina alterniflora root tissue during dormancy

 

As

Ca

Cr

Cu

Fe

Mn

Ni

S

Zn

As

1.000

        

Ca

0.941

1.000

       

Cr

0.957

0.842

1.000

      

Cu

0.700

0.469

0.851

1.000

     

Fe

0.959

0.985

0.847

0.479

1.000

    

Mn

0.991

0.923

0.983

0.758

0.926

1.000

   

Ni

0.872

0.692

0.955

0.950

0.703

0.909

1.000

  

S

0.989

0.966

0.940

0.648

0.971

0.984

0.825

1.000

 

Zn

0.961

0.974

0.897

0.539

0.966

0.954

0.757

0.974

1.000

  1. The underlined data indicate no significant correlation at 95% confidence level.
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