|本期目录/Table of Contents|

[1]崔宁洁,刘洋,张健,等.林窗对马尾松人工林植物多样性的影响[J].应用与环境生物学报,2014,20(01):8-14.[doi:10.3724/SP.J.1145.2014.00008]
 CUI Ningjie,LIU Yang,ZHANG Jian,et al.Effects of forest gap on plant diversity of Pinus massoniana plantations[J].Chinese Journal of Applied & Environmental Biology,2014,20(01):8-14.[doi:10.3724/SP.J.1145.2014.00008]
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林窗对马尾松人工林植物多样性的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
20卷
期数:
2014年01期
页码:
8-14
栏目:
研究论文
出版日期:
2014-02-25

文章信息/Info

Title:
Effects of forest gap on plant diversity of Pinus massoniana plantations
作者:
崔宁洁刘洋张健杨万勤欧江张捷邓长春李建平
四川农业大学生态林业研究所,四川省林业生态工程重点实验室 成都 611130
Author(s):
CUI Ningjie LIU Yang ZHANG Jian YANG Wanqin OU Jiang ZHANG Jie DENG Changchun LI Jianping
Key Laboratory of Ecological Forestry Engineering in Sichuan, Institute of Ecology & Forestry, Sichuan Agricultural University, Chengdu 611130, China
关键词:
马尾松人工林林窗人工抚育植物丰富度生态优势度物种多样性
Keywords:
Pinus massoniana plantation forest gap artificial fostering plant richness ecological dominance species diversity
分类号:
S753.7+5
DOI:
10.3724/SP.J.1145.2014.00008
文献标志码:
A
摘要:
为了解人工抚育调控林窗对马尾松人工林植物多样性的影响,以长江上游低山丘陵区39年生的马尾松人工林为研究对象,人为砍伐形成不同大小(100-1 600 m2)的林窗共计21个,研究了林窗、林窗边缘、林下的植物多样性. 结果表明:马尾松人工林林窗内外的丰富度指数R0(物种数)、Simpson生态优势度指数(SP)、Shannon-Wiener物种多样性指数(SW)差异显著(P<0.05),其丰富度指数的大小顺序是林窗>林窗边缘>林下. 不同大小林窗之间的丰富度指数也有显著差异(P<0.05),但Simpson生态优势度指数、Shannon-Wiener物种多样性指数和Pielou均匀度指数(Jsw)差异均不显著. 不同大小林窗边缘的丰富度指数、优势度指数、多样性指数和均匀度指数均没有显著差异(P>0.05). 综合来看,林窗的形成显著提高了马尾松人工林林下植物的丰富度,林窗大小对林下植物的物种组成和丰富度也有显著影响.
Abstract:
To understand the effect of artificial forest gap on plant diversity of masson pine (Pinus massoniana) plantation, 21 artificial forest gaps with different sizes (ranging from 100 m2 to 1 600 m2) were constructed by logging the mason pine in a 39-year masson pine plantation at the hilly region of the upper reaches of the Yangtze River in October, 2011. Plant diversity was investigated in the forest gap, forest gap edge and canopy in August, 2012. Significant (P < 0.05) differences of the richness index, dominance index and species diversity index were observed among forest gap, gap edge and canopy, and the ranked order of the species number was forest gap > gap edge > canopy. The species richness in forest gaps varied greatly (P < 0.05) with the gap sizes, but the Simpson dominance index, Shannon-Wiener diversity index and Pielou evenness index showed no similar trends. Similarly, the species richness, dominance index, diversity index and evenness index in gap edges varied slightly (P > 0.05) with gap sizes. In summary, gap formation significantly improved plant richness of mason pine plantation, with forest gap size strongly influencing the composition and abundance of forest understory plant species.

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备注/Memo

备注/Memo:
国家科技支撑计划课题(2011BAC09B05)、四川省科技支撑计划项目(12ZC0017)、四川省科技厅应用基础项目(2012JY0047)和四川省教育厅科技创新团队资助计划项目(11TD006)资助
更新日期/Last Update: 2014-03-06