[1]韩福利,田相林*,党坤良,等. 抚育间伐对桥山林区油松林乔木层碳储量的影响[J].西北林学院学报,2015,30(04):184-191.[doi:doi:10.3969/j.issn.1001-7461.2015.04.29]
 HAN Fu-li,TIAN Xiang-lin*,DANG Kun-liang,et al. Impact of Thinning on Carbon Storage for Pinus tabulaeformis Stands in Shaanxi Qiaoshan[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(04):184-191.[doi:doi:10.3969/j.issn.1001-7461.2015.04.29]
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 抚育间伐对桥山林区油松林乔木层碳储量的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年04期
页码:
184-191
栏目:
出版日期:
2015-07-31

文章信息/Info

Title:
 Impact of Thinning on Carbon Storage for Pinus tabulaeformis Stands in Shaanxi Qiaoshan
文章编号:
1001-7461(2015)04-0184-08
作者:
 韩福利1田相林23*党坤良2曹田健23
 (1.陕西省森林资源管理局,陕西 西安 710082;2.西北农林科技大学 林学院,陕西 杨陵 712100;3.生态仿真优化实验室,陕西 杨陵 712100)
Author(s):
 HAN Fu-li1 TIAN Xiang-lin23* DANG Kun-liang2 CAO Tian-jian23
 (1. Forestry Resources Administration Bureau of Shaanxi, Xi’an, Shaanxi 710082, China; 2. College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China; 3. Simulation Optimization Lab., Yangling, Shaanxi 712100, China)
关键词:
 抚育间伐油松林分生长与收获碳储量
Keywords:
 thinning Pinus tabulaeformis stand level growth and yield carbon storage
分类号:
S791.254
DOI:
doi:10.3969/j.issn.1001-7461.2015.04.29
文献标志码:
A
摘要:
 本研究尝试利用生长过程表分析间伐对林分生长与收获的影响,探究抚育间伐后油松人工林碳储量的变化,为森林抚育经营和碳汇造林的理论和方法研究探索一条积极的思路。研究选取有5个间伐试验区组设计基础的陕北桥山林区油松人工林,结合生长过程表,通过生物学模型链接,初步构建了综合林分生长、生物量和碳储量预估模型的人工林抚育间伐方案评估体系。结果表明,抚育间伐能明显促进林分生长并显著降低林分的枯损率,抚育间伐的影响效果在间伐后5~12 a比前4 a更为显著。在间伐后5~12 a间,不同保留密度林分的初级生产力恢复到相似水平。抚育间伐后,林分碳储量的增长速度明显加快,但是由于间伐后林分密度的下降,对于单木和林分碳储量的影响并不相同。间伐林分的单木碳储量会明显高于未间伐林分,而间伐林分的乔木层碳储量在12 a后仍低于未间伐林分。分别以蓄积、经济材和碳固存为目标,得到的最佳经营方案都不同。通过各方案收益的比较分析,可以得到最优方案以满足林分经营的多目标需求。
Abstract:
 The effects of thinning on Pinus tabulaeformis plantations in Qiaoshan forests were studied by updating growth and yield tables with empirical data from thinning experiments. First, this study analyzed the development of stand diameter, height, basal area and volume after thinning with different initial densities. Second, biomass and carbon storage were converted based on empirical ecological models. In addition, thinning regimes were compared by using the updated growth and yield tables. The development of diameter, basal area and volume of thinned stands were less than the unthinned stands. However, the growth rate of thinned stands was higher than the unthinned stands. The results also indicated that thinning evidently led to lower mortality. The biomass and carbon storage of thinned stands were less than the unthinned stands at the initial stages, but the mean annual increment of biomass and carbon storage of thinned stands were higher. The results indicated that both timber production and forest carbon storage might be improved with well-planned thinning regimes based on growth and yield tables.

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备注/Memo

备注/Memo:
 收稿日期:2014-10-08修回日期:2014-11-08
基金项目:国家林业局公益性专项项目(201204502)。 
作者简介:韩福利,男,高级工程师,研究方向:森林资源管理。E-mail:forestry_tian@qq.com
*通信作者:田相林,男,博士,研究方向:森林经营决策系统及其应用。E-mail:tianxianglin@nwafu.edu.cn
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