Regression Equation

R² factor

Tree NA = −1.2973 + 0.02584 Time

R² = 0.957

Tree AA = −0.8288 + 0.02589 Time

R² = 0.900

Tree NI = −2.3209 + 0.02078 Time

R² = 0.941

Tree AI = −2.1332 + 0.02078 Time

R² = 0.894

Time C = −1.0556 + 0.01678 Time

R² = 0.789