抚育间伐对马尾松人工林生物量与碳贮量的影响

doi:10.11707/j.1001-7488.20131001

Abstract

Abstract:

The biomass and carbon storage of 25-year-old Pinus massoniana plantations in different thinning intensities were investigated in the Daqingshan mountain in Guangxi. The results showed that thinning increased the biomass and carbon storage in tree layer, but decreased the biomass and carbon storage in the understory layer and litter layer. Carbon storage of tree layer with intensive thinning, intermediate thinning and mild thinning was greater than that of control by 11.47%, 11.78% and 14.49%, respectively. The understory layerhad less carbon storage than the control by 20.82%,19.80% and 0.20%, respectively. The litter layer had less carbon storage than the control by 15.81%,2.87%, and 27.31%, respectively. Thinning tended to decrease carbon storage in the soil layer while to increase the total carbon storage in the ecosystem. The soil carbon storage with various thinning intensities was less than that of control by 4.15%,1.83% and 5.53%, respectively, and the total carbon storage in the ecosystem was less that that of control by 2.62%, 4.19% and 3.58%, respectively. Thinning had no significant effect on the distribution of carbon storage in the tree layer, and different thinning intensities had the same distribution order, that is, stem (53.38%-60.12%) >root (15.70%-16.74%) >bark (12.88%-14.38%) >branch (7.53%-9.12%) >leaf (2.27%-2.88%).

Key words: thinning, Pinus massoniana, plantation, biomass, carbon storage, distribution

CLC Number:

S753.53

Ming Angang, Zhang Zhijun, Chen Honghui, Zhang Xianqiang, Tao Yi, Su Yong. Effects of Thinning on the Biomass and Carbon Storage in Pinus massoniana Plantation[J]. Scientia Silvae Sinicae, 2013, 49(10): 1-6.

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Effects of Thinning on the Biomass and Carbon Storage in Pinus massoniana Plantation

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