台灣二葉松地上部生物量及碳吸存量之估算

Estimating Aboveground Biomass and Carbon Sequestration of Taiwan Red Pine Plantation in Lishan Area

林世宗(Shu-Tzong Lin) ； 鍾智昕(Chin-Hsin Chung) ； 邱祈榮(Chyi-Rong Chiou) ； 林朝欽(Chau-Chin Lin)

《中華林學季刊》 41卷4期 (2008/12) Pp. 521-535

https://doi.org/10.30064/QJCF.200812.0007

摘要

為台灣人工林碳儲存經營，本研究針對台灣二葉松造林木碳儲存量之估算，以梨山地區34年生台灣二葉松人工林調查林分生長，依徑級分布取樣木調查立地上部生物量，建立相對生長關係式推估生物量，由樹幹解析技術計算二葉松立木材積，同時以元素分析儀分析各部位之碳濃度，其中以樹皮及枝條較高，松葉次之，木材較低，經重量加權後之台灣二葉松立木平均碳濃度為46.9±0.1%。由台灣二葉松林木胸徑－立木材積－生物量之相關式及以最小平方法建立轉換係數值估算台灣二葉松人工林地上部生物量為178.3±22.1 ton/ha，其碳存量為81.6±9.9 ton C/ha。以單木材積生長式推估現存生物量生產為1.9±0.3 ton/ha/yr，碳吸存量為0.9±0.3 ton C/ha/yr，即現存台灣二葉松人工林林年吸收二氧化碳3.3±1.0 ton CO2/ha/yr貯存於二葉松林木地上部物體。

關鍵字

台灣二葉松 ； 地上部生物量 ； 相對生長式 ； 現存材積生長 ； 轉換係數 ； 碳吸存

並列摘要

The purpose of this study was to estimate the aboveground biomass and carbon sequestration of 34 year old Taiwan red pine (Pinus taiwanensis) plantation in Lishan area located in central Taiwan. Based on DBH distribution of stand, allometric equation was established by the results of stem analysis, and the value of convert coefficient was built by the least squares method. Furthermore, elemental analyzer was used to analyze carbon content of the sample taken from tree harvested. The results shown that aboveground biomass was 178.3±22.1 ton/ha estimated by function of DBH, biomass, volume equations and related convert coefficiences. Current aboveground biomass production was 1.9±0.3 ton/ha/yr estimated by function of volume increment formula. On the other hand, carbon storage in aboveground of trees estimated was 81.6±9.9 ton/ha, and current carbon sequestration were 0.9±0.3 ton C/ha/yr, that means 3.3±1.0 ton CO2/ha/yr were sequestrated into the aboveground parts of Taiwan red pine plantation.

並列關鍵字

Pinus taiwanensis ； Aboveground biomass ； Allometric equation ； Current tree volume increment ； Convert coefficient ； Carbon sequestration