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Table 1 Details of environmental variables used in habitat suitability modeling of Amygdalus scoparia in Fars Province, southern Iran

From: Landscape structure and suitable habitat analysis for effective restoration planning in semi-arid mountain forests

S/n Variable Variation range Unit
1 Bio 3 (isothermality) 32–43 Dimensionless
2 Bio 4 (temperature seasonality) 5784–9017 °C
3 Bio 13 (precipitation of wettest month) 27–86 mm
4 Bio 14 (precipitation of driest month) 0–2 mm
5 Bio 15 (precipitation seasonality) 79–126 Fraction
6 Bio 17 (precipitation of driest quarter) 0–17 mm
7 Bio 19 (precipitation of coldest quarter) 66–201 mm
8 Altitude 117–3735 m
9 Slope 0–59.18 %
10 Aspect 1–9 -
11 Soil type 1–13 -
12 CTI (compound topographic index) 3.92–19.15 -
13 HLI (heat load index) 0.53–1.14 -
14 NDVI (normalized difference vegetation index) −0.08–1 -