study sites

variable couple

Correlation coefficient r

r²

t

(Pr > |t|)

Significance

Mahana (Site 1)

Q-pH

0.72

0.51

3.366

0.007

**

Q-Is

0.72

0.51

−3.966

0.003

**

Q-Sf

0.74

0.54

3.522

0.006

**

Is-pH

−0.56

0.31

−2.146

0.048

*

Is-Sf

−0.76

0.57

−3.741

0.004

**

Sf-pH

0.61

0.37

2.640

0.025

*

Sf-Pt

0.81

0.65

4.367

0.001

**

Sanankoro (Site 2)

Q-Lf

−0.76

0.57

−4.155

0.001

**

Q-Is

−0.78

0.60

−4.408

0.001

**

Lf-Is

0.70

0.49

3.360

0.006

**

A-pH

−0.81

0.65

−4.561

0.001

**