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Table 4 The environmental variable used in the model of ENFA

From: Landscape features influence gene flow as measured by cost-distance and genetic analyses: a case study for giant pandas in the Daxiangling and Xiaoxiangling Mountains

Environmental variable

Description of the variable

ELEV

Elevation of the study area

ELEV-SD

Standard deviation of altitude in a 800-m radius

SLOP

Slop of the study area

SLOP-SD

Standard deviation of the slop in a 800-m radius

EASTNESS

Average eastness in a 800-m radius (Sine of the aspect)

NORTHNESS

Average northness in a 800-m radius (Cosine of the aspect)

DIST-RES

Distance to the resident

DIST-ROA

Distance to the main road

FORE-FQ

Forest frequency in the 800-m radius

SHRB-FQ

Shrub frequency in the 800-m radius

DIST-LAN

Distance to the land(non-forest)