[1]芮雯奕,李淑琴,张纪林,等.苏北海堤基干林带杨树-刺槐混交林竞争效应研究[J].南京林业大学学报(自然科学版),2011,35(01):039-42.[doi:10.3969/j.jssn.1000-2006.2011.01.009]
 RUI Wenyi,LI Shuqin,ZHANG Jilin,et al.Competition effect of Populus and Robinia pseudoacacia mixed forest in the coastal trunk shelterbelt in northern Jiangsu province[J].Journal of Nanjing Forestry University(Natural Science Edition),2011,35(01):039-42.[doi:10.3969/j.jssn.1000-2006.2011.01.009]
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苏北海堤基干林带杨树-刺槐混交林竞争效应研究
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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:
35
期数:
2011年01期
页码:
039-42
栏目:
研究论文
出版日期:
2011-01-01

文章信息/Info

Title:
Competition effect of Populus and Robinia pseudoacacia mixed forest in the coastal trunk shelterbelt in northern Jiangsu province
作者:
芮雯奕李淑琴张纪林卢义山孙晓东曹国华徐亚明
1. 江苏省林业科学研究院,江苏南京211153;2. 江苏省东台市林场,江苏盐城224242
Author(s):
RUI Wenyi LI Shuqin ZHANG Jilin LU Yishan SUN Xiaodong CAO Guohua XU Yaming
1. Jiangsu Academy of Forestry, Nanjing 211153, China; 2. Dongtai Forest Farm, Jiangsu Province, Yancheng 224242, China
关键词:
杨树刺槐混交林竞争效应
Keywords:
Populus Robinia pseudoacacia mixed forestcompetition effect
分类号:
S792.270.1
DOI:
10.3969/j.jssn.1000-2006.2011.01.009
文献标志码:
A
摘要:
对江苏省泥质海岸带海堤12年生杨树-刺槐混交林进行了种群竞争研究。结果表明,在调查样地中,杨树与刺槐混交较刺槐纯林最少能够提高单位面积木材蓄积量351 %。在杨树高优势度样地中,刺槐被压木比例高达641 %,刺槐单木平均胸径仅为杨树低优势度样地中的55 %。竞争分析显示,在杨树高优势度样地中,刺槐平均单木竞争强度高出杨树低优势度样地相应竞争强度的188 %。杨树高优势度样地中刺槐来自杨树种间竞争的强度占其总竞争强度的比例高达819 %,而在杨树低优势度样地中这一比例仅为355 %。此外,杨树重要值相近的两块样地出现较大的生长及竞争差异。
Abstract:
In order to provide experiences for the construction of mixed forest, we conducted an investigation on a 12yearold Robinia pseudoacacia and Populus mixed forest based on 3 typical sample plots. Results showed that the volume of per hectare can be enhanced up to 35.1 % higher in the Populus and R. pseudoacacia mixed forest than that in monospecific R. pseudoacacia forest at least. The rate of suppressed tree of R. pseudoacacia in the sample plot with high dominance of Populus was as high as 64.1 %. The competition intensity of R. pseudoacacia in the sample plot with high dominance of Populus was 188 % higher than that of with low dominance of Populus on average. Moreover, the interspecific competition of R . pseudoacacia accounted for 81.9 % in the sample plot with high dominance of Populus. However, it was only 35.5 % in that with low dominance of Populus. In addition, the growth and competition situation was different although Populus important value was similar. The above results suggest that the Populus and R. pseudoacacia mixed forest growth modeling based on their spatial competition disciplinarian should be studied for healthier mixed forests.

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备注/Memo

备注/Memo:
收稿日期:2010-03-17修回日期:2010-07-01基金项目:“十一五”国家科技支撑计划 (2006BAD03A1403)作者简介:芮雯奕(1982—),博士。*张纪林(通信作者),研究员。Email: 8zjl8@163.com。
更新日期/Last Update: 2011-01-14