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杨树人工林生物量估计方法与应用(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年04期
Page:
37-40
Column:
研究论文
publishdate:
2007-04-20

Article Info:/Info

Title:
Study on the Biomass Expansion Factor of Poplar Plantation
Article ID:
1000-2006(2007)04-0037-04
Author(s):
LI Jian-hua1 LI Chun-jing2 PENG Shi-kui1*
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China; 2. North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011, China
Keywords:
Biomass Biomass expansion factor (BEF) RSR Stand description factor
Classification number :
S792
DOI:
10.3969/j.jssn.1000-2006.2007.04.008
Document Code:
A
Abstract:
In order to estimate poplar biomass by using forest inventory of poplar planting trees, while applying software SPSS12.0, according to collected materials of 23 sample trees of I-72 Poplar biomass in wuzhi county, the allometric equation has been designed to estimate poplar biomass. Biomass Expansion Factor (BEF) function and the ratio of the weight of the root to the weight of the shoot (RSR) function of stand description factors were established by forest inventory and allometric equation and then the total stand biomass was computed according to the growing stock and basic wood density. The results of function curve estimation show that BEF and RSR have very good relevance to stand average height, basal area, stand age and stand volume, and the value of BEF is about 1.3 and the value of RSR range from 0.14 to 0.6,and reduces with the value of forest inventory increases. The study could offer a quality basis for using forest inventory of poplar planting trees to estimate poplar biomass.

References

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Last Update: 2013-05-20