Zone 1

Model

R2

t-value

p-value

AIC

1)

0.791

13.748

<2.20 × 10−16

−322

2)

0.787

13.580

<2.20 × 10−16

−321

3)

0.751

12.287

<2.20 × 10−16

−313

Zone 2

4)

0.781

13.358

<2.20 × 10−16

−390

5)

0.766

12.779

<2.20 × 10−16

−387

6)

0.764

12.731

<2.20 × 10−16

−386

Zone 3

7)

0.205

3.588

7.57 × 10−4

−410

8)

0.190

3.429

1.22 × 10−3

−409