Aboveground biomass estimation of Quercus glauca in evergreen forest, Kotzawal wetland, Cheju Island, Korea
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초록
This study developed allometry equation and estimated the aboveground-biomass of Quercus glauca, a warm-temperature,evergreen broad-leaved tree, growing in Kotzawal wetland located on Jeju Island. The allometric equations betweenDBH(diameter at breast height) and dry weights of stems (Ws), branches (Wb), leaves (Wl) and aboveground biomass (Wab)of Q. glauca were as follows: logWs=2.4042logDBH-1.3045, logWb=2.6436logDBH-1.6232, logWl =1.5428logDBH-1.3692and logWab=2.3324logDBH-0.9181. The allometric equations between D2H and Ws, Wb, Wl, and Wab of Q.glauca were asfollows : logWs=0.853logD2H-1.4252, logWb=0.8453logD2H-1.5834, logWl=0.5328logD2H-1.4073 and logWab=0.8265logD2H-1.0327. The R2 between DBH and Ws, Wb, Wl and Wab were 0.9873, 0.9711, 0.7979 and 0.993, respectively. The R2between D2H and Ws,Wb,Wl and Wab were 0.9841, 0.9174, 0.7537 and 0.9876, respectively. There was no significantdifference between observed and calculated values of the allomatric equations from DBH and D2H(p>0.05, Kolmogorov–Smirnov test). Thus, to estimate the aboveground biomass of Q. glauca, use of DBH and D2H as an independent variablesin the allometric equation is recommended.
Abstract
This study developed allometry equation and estimated the aboveground-biomass of Quercus glauca, a warm-temperature,evergreen broad-leaved tree, growing in Kotzawal wetland located on Jeju Island. The allometric equations betweenDBH(diameter at breast height) and dry weights of stems (Ws), branches (Wb), leaves (Wl) and aboveground biomass (Wab)of Q. glauca were as follows: logWs=2.4042logDBH-1.3045, logWb=2.6436logDBH-1.6232, logWl =1.5428logDBH-1.3692and logWab=2.3324logDBH-0.9181. The allometric equations between D2H and Ws, Wb, Wl, and Wab of Q.glauca were asfollows : logWs=0.853logD2H-1.4252, logWb=0.8453logD2H-1.5834, logWl=0.5328logD2H-1.4073 and logWab=0.8265logD2H-1.0327. The R2 between DBH and Ws, Wb, Wl and Wab were 0.9873, 0.9711, 0.7979 and 0.993, respectively. The R2between D2H and Ws,Wb,Wl and Wab were 0.9841, 0.9174, 0.7537 and 0.9876, respectively. There was no significantdifference between observed and calculated values of the allomatric equations from DBH and D2H(p>0.05, Kolmogorov–Smirnov test). Thus, to estimate the aboveground biomass of Q. glauca, use of DBH and D2H as an independent variablesin the allometric equation is recommended.
참고문헌 (11)
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