Table 3 Correlation analysis results for 13 candidate metrics.

From: Health assessment of important tributaries of Three Georges Reservoir based on the benthic index of biotic integrity

 

M1

M2

M4

M6

M7

M9

M11

M13

M17

M18

M20

M21

M24

M1

1.00

            

M2

0.73

1.00

           

M4

0.76

0.96

1.00

          

M6

0.58

0.86

0.78

1.00

         

M7

0.69

0.57

0.58

0.47

1.00

        

M9

0.50

0.80

0.77

0.77

0.39

1.00

       

M11

0.48

0.71

0.70

0.59

0.35

0.89

1.00

      

M13

0.30

0.55

0.50

0.68

0.26

0.68

0.30

1.00

     

M17

0.39

0.52

0.48

0.48

0.44

0.51

0.43

0.39

1.00

    

M18

0.76

0.86

0.88

0.70

0.48

0.69

0.62

0.47

0.46

1.00

   

M20

− 0.40

− 0.43

− 0.42

− 0.37

− 0.37

− 0.43

− 0.39

− 0.29

− 0.71

− 0.39

1.00

  

M21

− 0.43

− 0.39

− 0.39

− 0.33

− 0.36

− 0.37

− 0.33

− 0.25

− 0.54

− 0.36

0.84

1.00

 

M24

0.39

0.38

0.40

0.36

0.27

0.32

0.15

0.45

0.20

0.40

− 0.25

− 0.26

1.00

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