[1]马刘乐,张梦弢*. 不同干扰强度下林分空间结构对灌草层物种多样性的影响[J].西北林学院学报,2023,38(3):63-69.[doi:10.3969/j.issn.1001-7461.2023.03.09]
　MA Liu-le,ZHANG Meng-tao*. Effects of Stand Spatial Structure on Species Diversity in Shrub Grass Layer Under Different Disturbance Intensities[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(3):63-69.[doi:10.3969/j.issn.1001-7461.2023.03.09]
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 不同干扰强度下林分空间结构对灌草层物种多样性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第3期
页码:
63-69
栏目:
出版日期:
2023-05-31

文章信息/Info

Title:
 Effects of Stand Spatial Structure on Species Diversity in Shrub Grass Layer Under Different Disturbance Intensities
文章编号:
1001-7461(2023)03-0063-07
作者:
 马刘乐; 张梦弢*
 （山西农业大学 林学院森林资源系，山西 晋中 030801）
Author(s):
 MA Liu-le; ZHANG Meng-tao*
 (College of Forestry,Shanxi Agricultural University,Jinzhong 030801,Shanxi,China)
关键词:
 ; 植物物种多样性; 林分空间结构; Pearson相关系数; 灰色关联度分析
Keywords:
 ; plant species diversity;  stand spatial structure;  Pearson correlation coefficient;  Grey correlation analysis
分类号:
S758.53
DOI:
10.3969/j.issn.1001-7461.2023.03.09
文献标志码:
A
摘要:
 为了解不同干扰强度下林分灌草层植物物种多样性的关键因子，对关帝山柴禄沟内的不同干扰下林分空间结构进行分析，在Shannon-Wiener多样性指数、Margalef丰富度指数和Pielou均匀度指数的3个物种多样性指数的基础上，利用Pearson相关系数与灰色关联度分析讨论不同干扰强度下林分空间结构与灌草层物种多样性的关系。结果表明：1）混交度与林下灌木的Shannon-Wiener多样性指数和Margalef丰富度指数呈显著性相关（P<0.05）。2）林分内的大小分化度以及分布均匀程度，对3种林分灌木物种多样性的影响最大；林分内的分布均匀程度对3种林分草本物种多样性的影响最大。因此，在对柴禄沟林分的管理中，应培育针阔混交林，运用择伐、间伐调控林分内空间格局，适当砍伐大径阶林木，调整林分空间结构，为该地区灌草层植物物种多样性的增加提供一定的理论基础和参考依据。
Abstract:
 In order to understand the key factors of plant species diversity in shrub-grass layer under different disturbance intensities,the spatial structure of the forest under different disturbance intensities in the Chailu Gully of Guandi Mountain was analyzed.Based on the three species diversity indexes (Shannon-Wiener diversity index,Margalef richness index and Pielou evenness index),the relationship between stand spatial structure and shrub-grass layer species diversity under different disturbance intensities was discussed by using Pearson correlation coefficient and grey correlation analysis.The results showed that 1) there was a significant correlation between the mixing degree and the Shannon Wiener diversity index of understory shrubs and the Margalef richness index (P<0.05).2) The degree of size differentiation and distribution uniformity in the stand had the greatest impact on the shrub species diversity of the three stands.The distribution uniformity in the stand had the greatest impact on the diversity of herbaceous species in the three stands.Therefore,in the management of the forest stand in Chailugou Gully,we can cultivate coniferous and broad-leaved mixed forest,use selective cutting and thinning to regulate the spatial pattern in the forest stand,and appropriately cut down large-diameter trees to adjust the spatial structure of the forest stand,so as to provide a certain theoretical basis and reference basis for the increase of plant species diversity in shrub and grass layer in this area.

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备注/Memo

备注/Memo:
 收稿日期：2022-04-07修回日期：2022-06-21
基金项目：国家自然科学基金青年科学基金项目（31901308）。
第一作者：马刘乐。研究方向：森林经营学。E-mail:1014351923@qq.com
*通信作者：张梦弢，副教授，博士。研究方向：森林可持续发展。E-mail:zmt0411@163.com
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