Table 1 Data sources of factors influencing the degree of land desertification in Xilingol grassland.
From: Study on the influencing factors of land desertification degree in Xilingol Grassland
Factors | Evaluation factors | Code name | Data sources |
|---|---|---|---|
Climate factors | Average annual temperature (°C) | AAT | Administrative Division and Natural Resources sections of the Xilingol League Statistical Yearbook4 |
Annual precipitation (mm) | AP | ibid | |
Average annual wind speed (m/s) | AAW | ibid | |
Surface factors | Runoff volume (m3) | RV | Global Flood Awareness System of the European Centre for Medium-Range Weather Forecasts5 |
Ground water storage (mm) | GWS | NASA Global Land Data Assimilation System (GLDAS-2)6 | |
Normalized difference vegetation index | NDVI | Moderate Resolution Imaging Spectroradiometer (MODIS) on the NASATerra satellite7 | |
Soil bulk density (kg/dm3) | SBD | Harmonized World Soil Database8 | |
Soil moisture (kg/m3) | SM | ibid | |
Soil organic carbon (%) | SOC | ibid | |
Humanistic factors | Population density (man/km2) | PD | Data section of the Inner Mongolia Statistical Yearbook for each banner and county9 |
Per capita disposable income (ï¿¥) | PCDI | ibid | |
Livestock density (sheep/km2) | LD | ibid |
