Table 2 Data sources
Data source | Parameter | Reference |
|---|---|---|
Merra_2 climatological gridded data | Rainfall, temperature (to calculate evapotranspiration and aridity index) | © MERRA. (http://www.soda-pro.com/web-services/meteo-data/merra) (NASA n.d.-b) |
Carte Agricole (digital database) | Soil texture, soil depth, soil parental rock, drainage, rock fragment, natural reserve boundary. | Ministry of agriculture, Tunisia (2001) (Ministry of agriculture 2001) |
Sentinel_2_1c 10 m resolution satellite image | Cropland, fire resistance, drought protection, erosion protection, plant cover (by using NDVI index) | © Copernicus open access hub (Copernicus open access hub n.d.) |
28 m resolution DEM | Aspect, slope. | © NASA: ASTER GDEM Digital Elevation Model (NASA n.d.-a) https://lpdaac.usgs.gov/dataset_discovery/aster/aster_products_table |
Socio-economical data | Population density, livestock data | Office for Development of the Centre, Office for Development of the South, the National Institute of Statistics: Statistics of governorates of Sidi Bouzid and Gafsa (Institut national des statistiques 2014; Office de développement du Centre ouest (ODCO) 2017; Office de développent du Sud (ODS) 2017) |
Google earth imagery | Conservation practice (digitalization) | ©Google earth Pro. app. |