Fig. 4From: Seasonality and moisture regime control soil respiration, enzyme activities, and soil microbial biomass carbon in a semi-arid forest of Delhi, IndiaSeasonal variation in soil respiration (μmol CO2 m−2 s−1) under all seasons in all the Delhi Ridges. Bars indicate standard error of the mean. Different letters represent significant differences among different seasons in all the Delhi Ridges (p < 0.05; Tukey post hoc test)Back to article page