Fig. 3: Differences in the temperature sensitivity (Q10) of SOC- and SIC-derived CO2 emissions among different experimental moisture treatments.
From: Drought may exacerbate dryland soil inorganic carbon loss under warming climate conditions

a, b Differences in the Q10 of SOC-derived CO2 in the topsoil (0–10 cm, a) and subsoil (35–50 cm, b) among different moisture conditions. c, d Differences in the Q10 of SIC-derived CO2 in the topsoil (c) and subsoil (d) among different moisture conditions. The horizontal lines inside the box represent the median, the ends of the boxes represent the first and third quartiles, and the whiskers show the interquartile range from the first and third quartiles. The gray dots indicate values for each of the 30 sites. All statistics were derived from n = 30 independent samples, and statistical significance was tested using a two-sided, paired-sample t test. **, P < 0.01; ***, P < 0.001; WHC water holding capacity.