N˚

Variable

Contribution %

N˚

Variable

Contribution %

1

Elevation

14.2

9

Dist. of geological structures

3.8

2

Thermal range

13.8

10

NDVI

3.7

3

Thermal average

13.6

11

Min. age of rocks

1.9

4

Lithology

12.6

12

Slope

1.8

5

Precipitation

11.3

13

Geomorphology

1.4

6

Soil characteristics

10.3

14

Max. age of rocks

0.3

7

Max. temperature

7.3

15

Median age of rocks

0.1

8

Min. temperature

3.9