Conceptual framework for Reynolds Creek CZO: Hypothesized carbon pools and fluxes along a precipitation gradient representative of the Reynolds Creek CZO. Soil organic carbon (SOC) and losses via soil respiration/mineralization (CO2) will dominate at higher rainfall whereas sinks for carbon will be in the forms of soil inorganic carbon and belowground carbon at lower rainfall (250mm) (adapted from Monger and Martinez-Rios (2001).