1 Enzyme activity per unit microbial biomass
2 Enzyme activity per unit soil organic carbon
FIGURES
Figure 1 : Distribution of activity of α-glucosidase (AG), β-glucosidase (BG), β-xylosidase (BX), cellobiohydrolase (CB), N-acetylglucosaminidase (NAG), leucine aminopeptidase (LAP), and acid phosphatase (AP) per soil mass as a function of depth throughout the top meter of soil across sites. See Table 1 for site abbreviations.