Table 2 Environmental variables used to forecast the potential suitable habitats of S. lepifera in China.
Number | Environment variables | Sample size |
|---|---|---|
1 | bio_1 | Annual mean temperature (°C) |
2 | bio_2 | Mean diurnal range (Mean of monthly(max temp − min temp)) |
3 | bio_3 | Isothermality (Bio2/Bio7) (×100) |
4 | bio_4 | Temperature seasonality (standard deviation ×100) |
5 | bio_12 | Annual precipitation (mm) |
6 | bio_15 | Precipitation seasonality (coefficient of variation) |
7 | bio_16 | Precipitation of wettest quarter (mm) |
8 | bio_19 | Precipitation of coldest quarter (mm) |
9 | Uvb1_china | Annual Mean UV-B |
10 | Uvb2_china | UV-B seasonality (standard deviation) |
11 | Uvb3_china | Mean UV-B of highest month |