Table 1 Climatic and environmental variables of the study sites

Coordinates

38° 20′ N to

2° 20′ W

38° 32′ N to

1° 57′ W

38° 16′ N to

1° 38′ W

Mean annual precipitation (mm±SE)^a

595 ± 15

417 ± 19

332 ± 13

Mean maximum temperature of the warmest month (°C)^a

30.9

32.9

34.6

Mean minimum temperature of the coldest month (°C)^a

2.2

1.8

2.0

Phytoclimate^a

VI(IV)1

IV3

IV1

Bioclimate^b

High

Mesomediterranean

Medium

Mesomediterranean

Low

Mesomediterranean

Nomenclature

Humid

Medium

Arid