Table 1.
Study site characteristics. Mean annual temperature (MAT), mean annual precipitation (MAP), soil organic carbon (C), total nitrogen (N), available phosphorus (P), Argentina (ARG), Australia (AUS), Israel (ISR), Kazakhstan (KAZ), Saudi Arabia (SAU) and United States of America (USA). Ecoregion is from [36].
| Site | Country, District and the Settlement Nearest to the Site | Ecoregion | Coordinates | MAT (°C) | MAP (mm) | pH | P (mg/100 g Soil) | N (%) | C (%) |
|---|---|---|---|---|---|---|---|---|---|
| ARG | Argentina, La Rioja, Los Colorados | Dry chaco | 29.58,11 S 67.5,29 W | 19.2 | 319 | 6.40 | 11.40 | 0.03 | 0.60 |
| AUS | Australia, Northern territory, Alice Springs | Central Ranges xeric scrub | 23.46,01 S 133.52,32 E | 22.4 | 278 | 4.90 | 61.00 | 0.03 | 0.29 |
| ISR | Israel, Southern district, Mitzpe Ramon | Mesopotamian shrub desert | 30.36,35 N 34.44,31 E | 17.1 | 113 | 7.47 | 0.38 | 0.09 | 0.62 |
| KAZ | Kazakhstan, Zhambyl district, Taukum desert | Central Asian northern desert | 44.24,41 N 75.31,15 E | 10.6 | 192 | 7.59 | 1.98 | 0.03 | 0.42 |
| SAU | Saudi Arabia, Riyadh, Arabian desert | Arabian desert | 24.58,58 N 46.50,60 E | 25.9 | 105 | 8.50 | 22.60 | 0.10 | 0.45 |
| USA | United States of America, California, Boyd | Sonoran desert | 33.39,02 N 116.22,30 W | 21.2 | 141 | 7.35 | 6.51 | 0.05 | 0.37 |