思茅松中幼人工林的生物量碳计量参数

doi:10.3724/SP.J.1143.2010.09138

Plant Diversity ›› 2010, Vol. 32 ›› Issue (01): 60-66.DOI: 10.3724/SP.J.1143.2010.09138

思茅松中幼人工林的生物量碳计量参数

李江1，2，孟梦2，朱宏涛3，邱琼2，翟明普1,陈宏伟2，郭永清2

1 北京林业大学研究生院，北京100083；2 云南省林业科学院，云南昆明650204；
3 中国科学院昆明植物研究所，云南昆明650204

收稿日期:2009-07-21 出版日期:2010-02-25 发布日期:2010-02-25
通讯作者: 翟明普

Biomass Carbon Accounting Parameters for Young and Middle Aged Plantation of Simao Pine (Pinus kesiya var.langbianensis)

LI Jiang1,2, MENG Meng2, ZHU HongTao3, QIU Qiong2, ZHAI MingPu1**,CHEN HongWei2, GUO YongQing2

1Graduate School of Beijing Forestry University, Beijing 100083, China; 2 Yunnan Academy of Forestry, Kunming 650204, China; 3 Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China

Received:2009-07-21 Online:2010-02-25 Published:2010-02-25
Contact: ZHAI MingPu

摘要/Abstract

摘要： 通过开展思茅松中幼人工林样地调查，基于实测数据计算了相关碳计量参数并研究了碳计量参数与相关林分因子的关系。结果表明：1）思茅松中幼人工林生物量转化与扩展因子（BCEF）的平均值为05483 Mg·m3（n=30，95%置信区间：05357~05609），低于政府间气候变化专门委员会（IPCC）的缺省值。BCEF和平均树高（H）、林分形高（FH）、蓄积量（V）和林龄（A）存在显著负相关（P <005）。BCEF和平均胸径（D）负相关，但相关不显著（P >005）。BCEF和N（林分密度）正相关，但相关不显著（P>005）。BCEF值与林分因子的关系函数拟合效果不佳。2）思茅松中幼人工林生物量扩展因子（BEF）的均值为178378 （n=30，95%置信区间：171714~185043），高于IPCC缺省值。 BEF和D、H、FH、V和A存在极显著的负相关（P <001），与N存在显著的正相关(P < 005)。BEF与A和V的关系以二次曲线函数形式拟合效果较好，与N的关系则以双曲线形式较好，与FH、H和D的关系以幂函数较好。3）思茅松中幼人工林的根茎比（R）均值为02400 （n=30，95%置信区间：02194~02606），与IPCC缺省值基本一致。R与D、H、FH、V和A有极显著的负相关关系，与N有显著的正相关关系。R与D、H、FH、V和A的关系以二次曲线的形式拟合效果较好，与N的关系则以双曲线形式拟合较好。

关键词: 思茅松人工林；生物量转化与扩展因子；生物量扩展因子；根茎比

Abstract: Based on data collected from field surveys, biomass carbon accounting parameters including biomass conversion and expansion factor (BCEF), biomass expansion factor (BEF) and rootshoot ratio (R) for Pinus kesiya var. langbianensis plantation were calculated, and relationships between the parameters and relative stand factors were studied. Main findings were as follows. (1) Mean BCEF for Pinus kesiya var. langbianensis plantation was 05483 Mg m3(n=30, 95% confidence interval=05357-05609), lower than the IPCC default value. BCEF for Pinus kesiya var langbianensis plantation was negatively related to stand form height (FH), mean stand height (H), stand growing stock (V) and stand age(A) (P<005). BCEF was negatively related to mean diameter at breast height (D), but not statistically significant（P >005）, positively related to stand density (N), not statistically significant（P>005）. Regression equations developed for calculating BCEF with stand factors did not give satisfied estimates. (2) Mean BEF for Pinus kesiya var langbianensis plantation was 178378 (n=30, 95% confidence interval=171714-185043), higher than the IPCC default value. BEF was negatively related to D、H、FH、V and A (P <001), positively related to N (P <005). Regression equations of y=a+bx+cx2 performed well to calculating BEF with A and V as variables. Regression equation of y=a+b/x performed well to calculate BEF with N. Regression equations of y=a xb performed well to calculate BEF with FH、H and D as variables. (3) Mean R for Pinus kesiya varlangbianensis plantation was 02400 (n=30, 95% confidence interval=02194-02606), close to the IPCC default value. R was negatively related to D、H、FH、V and A (P <001), positively related to N (P <005). Regression equations of y= a+bx +cx2 performed well to calculate R with D、H、FH、V and Aas variables. Regression equation of y=a+b/x performed well to calculate R with N.

Key words: Pinus kesiya var.langbianensis plantation

中图分类号:

Q 948

李江1，2，孟梦2，朱宏涛3，邱琼2，翟明普1, 陈宏伟2，郭永清2 . 思茅松中幼人工林的生物量碳计量参数[J]. Plant Diversity, 2010, 32(01): 60-66.

LI Jiang, MENG Meng, ZHU HongTao, QIU Qiong, ZHAI MingPu**,CHEN HongWei, GUO YongQing. Biomass Carbon Accounting Parameters for Young and Middle Aged Plantation of Simao Pine (Pinus kesiya var.langbianensis)[J]. Plant Diversity, 2010, 32(01): 60-66.

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思茅松中幼人工林的生物量碳计量参数

Biomass Carbon Accounting Parameters for Young and Middle Aged Plantation of Simao Pine (Pinus kesiya var.langbianensis)

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