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中国农学通报

中国农学通报 ›› 2013, Vol. 29 ›› Issue (4): 14-18.doi: 10.11924/j.issn.1000-6850.2012-3269

• 林学 园艺 园林 • 上一篇    下一篇

太行山区刺槐林的生物量与碳汇量

王超 毕君 宋熙龙 尤海舟   

  • 收稿日期:2012-09-27 修回日期:2012-10-17 出版日期:2013-02-05 发布日期:2013-02-05
  • 基金资助:
    林业公益性行业科研专项子课题“华北地区5个优势树种林分类型分林龄和起源生态服务功能分布式观测研究”(201204101-8)；河北省科技支撑计划“小五台山森林群落特征、功能及调控技术研究”(11240615D)。

The Study on the Biomass and Carbon Sink of Robinia pseudoacacia Forest in Taihang Mountains

  • Received:2012-09-27 Revised:2012-10-17 Online:2013-02-05 Published:2013-02-05

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摘要： 为了评估刺槐林的碳汇量和测定其生物量计量参数，为编制土地利用和林业温室气体清单提供基础数据，依据太行山区60块刺槐林生物量样地的调查资料，对不同龄级的林分生物量和碳汇量进行了研究。结果表明，生物量扩展系数(BEF)和根冠比(R)随林龄、胸径变化表现为负相关关系；刺槐幼龄林的BEF=1.535±0.127，R=0.530±0.102，n=15；中龄林BEF=1.371±0.038，R=0.381±0.045，n=45；分别建立了小班和林分2个水平尺度的生物量和碳汇量估计模型，表明林分生物量、碳汇量与蓄积量间呈线性回归关系；建立了碳汇量增长模型，推算本区刺槐林年平均碳汇量为1.79 t/hm2，有较高碳汇潜力。

关键词: 可交配性, 可交配性

Abstract: In order to estimate for Robinia pseudoacacia forest carbon sink and determinate the biomass measuring parameters, based on the 60 plots of Robinia pseudoacacia forest in Taihang Mountains, the biomass exchanged coefficient (BEF) and root-shoot ratio (R) between diameter and stand age were studied. The results showed that: BEF=1.535±0.127, R=0.530±0.102, n=15, which of the young-aged Robinia pseudoacacia forest, and BEF=1.371±0.038, R=0.381±0.045, n=45, which of the middle-aged. The models of biomass and carbon sink at compartment and stand level were studied, that showed which was linear regression relation between volume and biomass, carbon sink. The model of carbon sink growth was studied, that showed the carbon sink growth of annual average was 1.79 t/hm2, which was higher.