SONG Yali,HAN Hairong,KANG Fengfeng.Study on Biomass and Carbon Storage with Age-Chronosequence in Pinus tabulaeformis Forest in Taiyue Mountain of Shanxi Province[J].Research of Soil and Water Conservation,2016,23(01):29-33.
山西太岳山不同林龄油松林生物量及碳储量研究
- Title:
- Study on Biomass and Carbon Storage with Age-Chronosequence in Pinus tabulaeformis Forest in Taiyue Mountain of Shanxi Province
- 分类号:
- S718.5
- 摘要:
- 基于山西太岳山油松林5种林龄序列（18，20，25，38和42年生）来研究地上和地下各部分生物量和碳储量分配情况。结果表明：18，20，25，38和42年生油松林地上部分和地下部分不同器官碳素密度波动分别为0.411 2～0.556 0，0.424 8～0.532 8 g/g。地上和地下部分总生物量随着林龄的增加逐渐增加，各器官碳储量与生物量呈显著正相关。不同林龄油松林地上部分碳库分别为38.18，42.28，56.64，86.36，95.74 t/hm2，地下部分碳库分别为8.58，8.46，8.92，19.92，38.70 t/hm2。树干在碳库比例中最大，其次是根桩、活枝，最小的是树皮，分别占油松林总碳储量的30.90%～54.70%，11.93%～28.41%，8.55%～15.77%和0.45%～0.88%。油松林地下部分与地上部分碳储量的比值从18年生的0.22快速降低到25年生的0.16。油松林的固碳潜力随着林龄的增加而逐渐增加，从25～42年生的油松林成熟期是碳积累的重要阶段。
- Abstract:
- Above and underground biomass and allocation of carbon storage across an age-sequence of five secondary stands (18, 20, 25, 38 and 42 years old) in Pinus tabulaeformis forest in Taiyue Mountain of Shanxi were studies. The results showed that C contents in above and belowground components in the 18, 20, 25, 38 and 42 years old Pinus tabuliformis forests were 0.411 2～0.556 0 g/g and 0.424 8～0.532 8 g/g, respectively. Biomass in above and underground increased with age, and C storage in components had positive relationship with biomass. C storage in total aboveground biomass was 38.18 t/hm2, 42.28 t/hm2, 56.64 t/hm2, 86.36 t/hm2 and 95.74 t/hm2, respectively, and it in total belowground biomass was 8.58 t/hm2, 8.46 t/hm2, 8.92 t/hm2, 19.92 t/hm2 and 38.70 t/hm2, respectively. Stem is the most important carbon sink, with the largest carbon storage, followed by root stump, live branches, and the lowest C storage is in the bark, accounting for 30.90%～54.70%, 11.93%～28.41%, 8.55%～15.77% and 0.45%～0.88% of total C storage, respectively. Ratios of aboveground C storage to belowground C storage in five ages stands decreased rapidly from 0.22 in 18 years old stand to 0.16 in 25 years old stand. Capacity of carbon storage potential in Pinus tabuliformis forest increased with age, the large C sequestration potentials were observed in the maturing stands with the ages ranging from 25 years to 42 years
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备注/Memo
收稿日期:2014-09-17;改回日期:2015-03-31。
基金项目:国家林业局948项目“基于森林生态系统管理的人工林经营技术引进”（2010-4-15）；国家林业公益性行业科研专项“华北典型林分类型土壤碳储量分布格局及变化规律的研究”（201104008）
作者简介:宋娅丽(1985-),女,山西长治人,博士研究生,研究方向为生态系统碳储量研究。E-mail:songyali19851205@sina.com
通讯作者:韩海荣(1963-),男,青海西宁人,教授,主要从事森林生态学研究。E-mail:hanhr@bjfu.edu.cn