Table 2 Principal component analysis of C. gariepinus gills using extraction method.

From: Principal Components and Hierarchical Cluster Analyses of Trace Metals and Total Hydrocarbons in Gills, Intestines and Muscles of Clarias gariepinus (Burchell, 1822)

Component

Initial Eigenvalues

Extraction Sums of Square Loadings

Rotation Sums of Square Loadings

Total

% of Variance

Cumulative %

Total

% of Variance

Cumulative %

Total

% of Variance

Cumulative %

1

4.278

53.470

53.470

4.278

53.470

53.470

3.804

47.550

47.550

2

1.505

18.812

72.282

1.505

18.812

72.282

1.979

24.733

72.282

3

0.922

11.524

83.806

      

4

0.571

7.139

90.945

      

5

0.366

4.574

95.520

      

6

0.292

3.653

99.173

      

7

0.045

0.557

99.730

      

8

0.022

0.270

100.000

      
  1. Legend: Emboldened values are significant6466,65,,76.