Skip to main content

Table 1 Variables used to assess the main drivers of forest seedling regeneration in the Susa fire (Susa Valley, Italy). Dash (-) indicates the absence of the spatial resolution (i.e., field measurement) or unit (i.e., dimensionless indices)

From: Short-term drivers of post-fire forest regeneration in the Western Alps

Variable code

Description

Spatial resolution

Unit

Data source

Elevation

Elevation

20 m

m a.s.l

DTM

HLI

Heat Load Index (McCune and Keon 2002)

20 m

-

DTM

Slope

Slope

20 m

°

DTM

Roughness

Degree of irregularity of the surface

20 m

m

DTM

Fire severity (RdNBR)

Fire severity based on Morresi et al. (2022)

20 m

-

Morresi et al. 2022

Gramineae

Gramineae cover

-

%

Field

Forbs

Forbs cover

-

%

Field

Bare soil

Bare soil cover

-

%

Field

Shrubs

Shrubs cover

-

%

Field

CWD

Coarse woody debris cover

-

%

Field

Rock

Rock Cover

-

%

Field

Distance to seed trees

Distance from the nearest seed tree

20 m

m

RapidEye

Seedlings density

Density of seed-origin individuals

-

Seedlings number ha−1

Field