[1]刘俊霞,袁登胜*,袁秀英.花棒群落物种多样性及其种群空间分布格局的研究[J].西北林学院学报,2008,23(05):55.
 LIU Jun xia,YUAN Deng sheng*,YUAN Xiu ying.Characteristics of Species Diversity and Spatial Distribution Pattern of Hedysarum scoparium Population[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(05):55.
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花棒群落物种多样性及其种群空间分布格局的研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年05期
页码:
55
栏目:
森林生物、生理、生态、植物、气象等
出版日期:
2008-09-30

文章信息/Info

Title:
Characteristics of Species Diversity and Spatial Distribution Pattern of Hedysarum scoparium Population
作者:
刘俊 霞袁登胜*袁秀英
内蒙古农业大学 林学院,内蒙古 呼和浩特 010019
Author(s):
LIU Junxia YUAN Dengsheng* YUAN Xiuying
College of Forestry,Inner Mongolian Agricultural University, Hohhot, Inner Morgolian 010019,China
关键词:
花棒物种多样性空间分布格局
Keywords:
Hedysarum scoparium diversity of species
分类号:
S718.542
文献标志码:
A
摘要:
根据乌兰布和沙漠固定沙丘和半固定沙丘20个样方的调查数据, 对不同生境中花棒群落物种多样性及其种群空间分布格局进行了研究。 测定了各层次植物物种的重要值,采用多种方法计算各层次物种的丰富 度指数、均匀度指数和多样性指数,采用相邻格子样方法取样,应用方 差均值比的t检验和5种典型聚集度指标方法,研究了不同生境中花棒种 群的空间分布格局。结果表明,在不同生境类型中,花棒空间分布格局 均为集群分布,但集群程度有差异。同时,还对不同发育阶段花棒种群 的分布格局进行了分析,从幼苗到成树,其集群强度由大到小。
Abstract:
On the basis of investigation data collected from 20 plots of the fixed dunes and the semifixed dunes in Wulanbuhe desert characteristics of species diversity and spatial distribution pattern of Hedysarum scoparium population were investigated. Important values of plant species in each layer were measured, and richness, evenness and diversity indices of species in each layer were calculated by means of many methods. The contiguous grid quadrats were applied to sampling for field data. The methods such as S2/ ratio ttest and five aggregate indices(CI ,M*,PAI,CA,K) were used to analyze the spatial distribution pattern of H. scoparium population in different habitats. The results showed that the distribution pattern was of the clump in different habitats ,but the intensity was different. In addition, the analysis of distribution pattern was done according to development stages. From saplings to adults, the degrees of clump decreased from high to low.

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备注/Memo

备注/Memo:
收稿日 期:20071112修回日期:20071206 基金项目: 国家自然科学基金项目 (30560123)。 作者简介:刘俊霞,女,硕士研究生,主要从事种群生态学研究。 *通讯作者:袁登胜,教授。Email: a4307050@public.hh.nm.cn
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