Table 5 Correspondence between the Corine biotopes of our database and the formations studied by Pasalodos-Tato et al. (2015) used to compare the fuel load estimate using their equations and the estimations in the current study

Gorse scrublands

32.4811 + 

Lowland and montane Genista scorpius formations

Formation 240. Leguminous gorse shrubs and related groups

Calcicolous shrubland

32.431

Lowland rosemary scrubs

Formation 250a. Mixture of Lamiaceae and thyme sward (Rosmarinus officinalis)

32.432

Thermo-Mediterranean Cistus clusii formations

32.4L + 

Dry calcicolous scrubs with G. biflora

Heaths

32.322 + 

Erica arborea heaths

Formation 210. Heathers, Erinaceae bushes and related groups

45.2162 + 

Heaths with corn-oak

45.2163 + 

Heaths with corn-oak and pines

Alpenrose heaths

31.42

Alpenrose heaths

Silicicolous shrublands

32.3442 + 

Montane silicicolous shrublands

Formation 220b. Rockrose shrubs and Cistaceae bushes. Big-size Cistaceae bushes

32.341

Lowland silicicolous shrublands

Formation 220a. Rockrose shrubs and Cistaceae bushes. Small-size Cistaceae bushes

32.351

Silicicolous Cistus shrublands

32.376 + 

Silicicolous shrublands

Kermes garrigue

32.41

Kermes oak garrigue

Formations 170 and 180. Associations dominated by Kernes oak, thicket of mastic trees

Thickets

31.8111

Montane mesophile thickets

31.891

Lowland dry thickets

Box formations

31.8123

Amelanchier and box thickets

32.641 + 

Montane box formations

Garrigue and maquis

42.8412 + 

Maquis with Aleppo pine

Formations 140, 150, and 160. Machias, terebinth, garrigues

32.123

Thermo-medit. garrigue

32.23

Thermo-medit. garrigue with Ampelodesmos

32.1151 + 

Everg. and decidiuos oak maquis

45.345

Q. rotundifolia maquis

Early pine stages

32.B + 

Shrubby early stages of Aleppo pine

42.8414 + 

Scrubland with Aleppo pine

42.8417 + 

Aleppo pinewoods

Juniper formations

31.881

Mountain Juniperus communis f

32.1311

J. oxycedrus maquis

32.1321

J. phoenicea formations

Early deciduous stages

31.8D

Early stages of mixed forest regeneration

Lowland broom

32.A

Spartium broom fields

Formation 230. Mixture of broom leguminous bushes

32.261

Retama broom fields

31.8414

Mesophile Cytisus broom

Mountain broom

31.84221 + 

Montane Genista balansae formations

31.84222 + 

Subalpine G. balansae formations

Low scrublands

32.47

Low calcicolous scrublands

Formation 250b. Mixture of Lamiaceae and thyme sward (Thyme sward, lavender shrubland, and Phlomis purpurea association)

15.921

Open scrubl. in gypseous soils

34.32614 + 

Semi-dry grassland

32.631 + 

Aphyllanthes grassland

62.32 + 

Rocky outcrops

Mountain mats

32.66 + 

Arctostaphylos mats

31.412

Calluna heaths