Table 1.
Environmental covariates used to develop ecological niche models of Bacillus anthracis in Kyrgyzstan
| Environmental variable | Variable name | Data source | Reference |
|---|---|---|---|
| Altitude (m) | alt | WorldClim | 22 |
| Mean annual temperature (°C) | bio 1 | ||
| Annual temperature range (°C) | bio 7 | ||
| Annual precipitation (mm) | bio 12 | ||
| Precipitation of the wettest month (mm) | bio 13 | ||
| Precipitation of the driest month (mm) | bio 14 | ||
| Average base saturation (%) | kgbsavg | HWSD | 24 |
| Average calcium concentration | kgcaavg | ||
| Average soil pH | kgphavg | ||
| Average soil organic content | kgsoilocav | ||
| TFA mean NDVI | wd0114a0 | TALA | 23 |
| TFA NDVI annual amplitude | wd0114a1 |
HWSD = Harmonized World Soil Database; NDVI = normalized difference vegetation index; TALA = Trypanosomiasis and Land Use in Africa; TFA = temporal Fourier analysis.