Table 4

PCA eigenvalues and major axis loadings of abiotic environmental variables. Total variation explained by both PC axes was 72.91%.

Habitat variables PC 1 PC 2
Temperature 0.53 −0.54
Dissolved oxygen 0.62 0.72
Conductivity −0.8 0.07
Turbidity −0.6 0.68
pH 0.73 0.41
Eigenvalue 0.44 0.28

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