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  • KOREAN
  • P-ISSN2287-8327
  • E-ISSN2288-1220
  • SCOPUS, KCI

ISSN : 2287-8327

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Vol.29 No.1

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Soil Carbon Cycling and Soil Co2 Efflux in a Red Pine (Pinus densiflora)

Journal of Ecology and Environment / Journal of Ecology and Environment, (P)2287-8327; (E)2288-1220
2006, v.29 no.1, pp.23-27

(2006). Soil Carbon Cycling and Soil Co2 Efflux in a Red Pine (Pinus densiflora). Journal of Ecology and Environment, 29(1), 23-27.

Abstract

This study was conducted to evaluate forest carbon cycling and soil CO2 efflux rates in a 42-year-old pine (Pinus densiflora) stand located in Hamyang-gun, Korea. Aboveground and soil organic carbon storage, litterfall, litter decomposition, and soil CO2 efflux rates were measured for one year. Estimated above-ground biomass carbon storage and increment in this stand were 3,250 gC/m2and 156 gC m－2yr－1, respectively. Soil organic carbon storage at the depth of 30 cm was 10,260 gC/m2. Mean organic carbon inputs by needle and total litterfall were 176 gC m－2－1and 235 gC m－2yr－1, respectively. Litter decomposition rates were faster in fine roots less than 2 mm diameter size (< 220 g kg－1yr－1) than in needle litter (< 120 g kg－1yr－1). Annual mean and total soil respiration rates were 0.37 g CO2 m－2h－1and 2,732 g CO 2 m－2yr－1during 2 eflux and soil temperature (r = 0.8149), while soil CO2 efflux responded negatively to soil pH (r = -0.3582).

keywords
Carbon dynamics, Carbon storage, Red pine, Soil respirationKim, Choonsig J. Ecol. Field Biol. 29 (1) 24(Kim et al. 1998). Aboveground carbon storage was calculated assuming a carbon concentration of 50 % of the dry matter (McPherson and Simpson 1999, Carbon dynamics, Carbon storage, Red pine, Soil respirationKim, Choonsig J. Ecol. Field Biol. 29 (1) 24(Kim et al. 1998). Aboveground carbon storage was calculated assuming a carbon concentration of 50 % of the dry matter (McPherson and Simpson 1999

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