[1]柳学军,曹福亮*,汪贵斌,等.不同落羽杉种源木材密度的变异[J].南京林业大学学报(自然科学版),2006,30(04):051-54.[doi:10.3969/j.jssn.1000-2006.2006.04.012]
 LIU Xue-jun,CAO Fu-liang*,WANG Gui-bin,et al.Variation of Wood Density of 16 Taxodium distichum (L.) Rich Provenances[J].Journal of Nanjing Forestry University(Natural Science Edition),2006,30(04):051-54.[doi:10.3969/j.jssn.1000-2006.2006.04.012]
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不同落羽杉种源木材密度的变异
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
30
期数:
2006年04期
页码:
051-54
栏目:
研究论文
出版日期:
2006-04-20

文章信息/Info

Title:
Variation of Wood Density of 16 Taxodium distichum (L.) Rich Provenances
文章编号:
1000-2006(2006)04-0051-04
作者:
柳学军1曹福亮1*汪贵斌1郝明灼1袁安全2汪企明3
1. 南京林业大学森林资源与环境学院, 江苏 南京 210037; 2. 洪泽县林牧业发展局, 江苏 洪泽 223211; 3. 江苏省林业科学研究院, 江苏 南京 211153
Author(s):
LIU Xue-jun1 CAO Fu-liang1* WANG Gui-bin1 HAO Ming-zhuo1 YUAN An-quan2 WANG Qi-ming3
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China; 2. Forestry and Animal Husbandy Bureau of Hongze County, Hongze 223211, China; 3. Jiangsu Academy of Forestry, Nanjing 211153, China
关键词:
落羽杉 木材密度 变异
Keywords:
Taxodium distichum Wood density Variation
分类号:
S781
DOI:
10.3969/j.jssn.1000-2006.2006.04.012
文献标志码:
A
摘要:
<正>研究了丛生竹种大木竹(Bambusawenchouensis)种群的生物量结构,并对其各器官生物量与胸径(I)BH)和地径的相关模型进行了拟合。结果表明:大木竹各器官生物量的分配中,竹秆所占比例较大,为总生物量的73.1%。远超过毛竹(Phyllostachysedulis)等竹种的相应值。大木竹各器官生物量之间及其与胸径、地径闻均具有较好的相关性,其中鲜秆质量(W1)、全株鲜质量(W4)与胸径(D)间相关关系的拟合模型W1=0.3703D2.0922和W4=0.5122D2.0391,可以较准确地估算出各器官生物量的大小。
Abstract:
The wood density of 16 Taxodiurn distichum provenances was studied. The results were as follows: (1) The air-dry density, complete-dry density and basic density of 16 provenance had a significant difference, and the air-dry density, complete-dry density and basic density of No. 5, No. 4 and No. 3 provenances were all highest, and those of No. 10 provenance were lowest; (2) The total variation coefficients of the air-dry density, complete-dry density and basic density of 16 provenances were 7.96%, 8.92% and 8.92% respectively, and variation ranges were 0.3232~0.5104g/cm3, 0.2933~0.4629g/cm3 and 0.2685~0.400 4g/cma respectively; (3) Wood basic densities from base to top of the stem had a significant variation, and wood basic density increased with increasing of tree height~ (4) The radial variation of wood basic density in different positions of stem had a different changing trend, and the wood basic density had a changing trend of low-high-low from marrow to north, and the changing trend from marrow to south was different in different conditions of stem.

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更新日期/Last Update: 2013-05-20