월악산 용하계곡 굴참나무림의 유기탄소 분포 및 수지
Organic Carbon Distribution and Budget in the Quercus variabilis Forest in the Youngha valley of Worak National Park
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Abstract
Organic carbon distribution and carbon budget of a Quercus variabilis forest in the Youngha valley of Mt. Worak National Park were investigated. Carbon in above and below ground standing biomass, litter layer, and soil organic carbon were measured from 2005 through 2006. For the estimation of carbon budget, soil respiration was measured. The amount of carbon allocated to above- and below-ground biomass was 56.22 and 13.90 ton C ha-1. Amount of organic carbon in annual litterfall was 2.33 ton C ha-1 yr-1. Amount of soil organic carbon within 50 cm soil depth was 119.14 ton C ha-1 50 cm-depth-1. Total amount of organic carbon in this Q. variabilis forest was 193.96 ton C ha-1. Of these, 61.43% of organic carbon was allocated in the soil. Net increase of organic carbon in above- and below-ground biomass in this Q. variabilis forest was estimated to 7.68 ton C ha-1 yr-1. The amount of carbon evolved through soil respiration was 6.21 ton C ha-1 yr-1. Net amount of 1.47 ton C ha-1 yr-1 was absorbed from the atmosphere by this Q. variabilis forest.
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