Appendix A. Mean cumulative respiration (µg CO2-C/g soil) over successive 60-d periods for control sites incubated at constant temperature and soils that underwent incubation experimental warming after 60, 150, 300, and 450 days. ConantRichard T. Megan SteinwegJ. HaddixMichelle L. PaulEldor A. PlanteAlain F. SixJohan 2016 Mean cumulative respiration (µg CO2-C/g soil) over successive 60-d periods for control sites incubated at constant temperature and soils that underwent incubation experimental warming after 60, 150, 300, and 450 days.