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Elucidating soil carbon cycle in karst areas has been a major research focus, while the relationship between karst soil carbon transfer and karst carbon sinks is unclear. A comparative study of soil respiration rates, δ13C values of CO2 from soil respiration, and CO2 concentrations in forest soil layers was conducted from September 2006 to August 2008 between karst and clasolite areas of the Maocun...
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