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Organic carbon (OC) distribution in 32-year-old pitch pine plantation at Mt. Hotae in Kongju, Korea, was studied from August 2007 to July 2008. In order to investigate the OC distribution, OC in plant biomass, litter- fall, litter layer on forest floor, and soil within 50cm depth were estimated. The density of P. rigida plantation was 3,200 trees/ha, average DBH was 18.7± 5.53 cm and average tree height was 11.1 ± 1.85 m. Organic carbon stored in plant biomass, litterlayer on forest floor and soil in 2008 was 89.46 ton C/ha (46.09%), 4.32 ton C/ha (2.23%) and 100.32 ton C ha -1 50cm-depth -1 (51.68%), respectively. Amount of OC returned to forest floor via litterfall was 2.21 ton C ha -1 yr -1 . Total amount of OC stored in this P. rigida plantation was 194.1 ton C/ha. Net increase of OC in above- and below-ground biomass in this pitch pine plantation was 4.82 ton C ha -1 yr -1 .

Distribution of Organic Carbon in Pitch Pine Plantation in Kongju, Korea