北京市灵山亚高山草甸植被群落特征
作者:
作者单位:

作者简介:

通讯作者:

中图分类号:

基金项目:


Vegetation Characteristics of Subalpine Meadow Community in Lingshan Mountain of Beijing City
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    [目的] 计算分析北京市灵山亚高山草甸区内自然坡面和侵蚀沟道两种立地类型上的植物群落特征差异,为侵蚀沟道植被人工修复提供理论依据和技术支撑。[方法] 采用野外调查和统计分析相结合的方法,对不同立地类型上的植被群落特征进行了研究。[结果] (1) Shannon-Wiener指数、Margalef指数均表现为:侵蚀沟道<自然坡面,而Simpson指数、Pielou指数表现为:侵蚀沟道>自然坡面;(2) 侵蚀沟道与自然坡面群落相似性系数为0.884,β多样性指数为0.178,表明侵蚀沟植物群落组成与自然坡面的相似性较高;(3) 自然坡面和侵蚀沟道内硬质早熟禾(Poa sphondylodes Trin)、苔草(Carex dispalata)的重要值和生态位宽度均较大,为主要的优势种;多数物种之间存在生态位重叠,但重叠值较小。[结论] 侵蚀沟道处于演替初期,趋向于恢复到群落自然状态,硬质早熟禾和苔草为主要的先锋优势种。

    Abstract:

    [Objective] The characteristics of plant communities in the natural slope and erosion gully of the subalpine meadow in Lingshan Mountain in Beijing City were investigated and analyzed to provide theoretical basis and technical support for vegetation restoration in erosion gullies.[Methods] The characteristics of plant communities at different sites were studied using the methods of standard ecological investigation methods and statistical analysis.[Results] (1) The Shannon-Wiener index and Margalef index were all as follows:erosion gullynatural slope; (2) The community similarity coefficient and β diversity index between the community of the natural slope and erosion gully were 0.884 and 0.178, respectively, which mean the plant community composition in erosion gullies and natural slopes had higher similarity; (3) The niche breadth and the important value of Poa sphondylodes Trin and Carex dispalata were larger both in the natural slope and erosion gully, which showed that these two species were main dominant species. In addition, most species had niche overlap in both natural slope and erosion gully, but the niche overlap values were relatively small.[Conclusion] Erosion gully is in the early succession and tend to restore the natural state. P. sphondylodes Trin and C. dispalata are the pioneer dominant species of community.

    参考文献
    相似文献
    引证文献
引用本文

赵方莹,刘飞,程婕,唐晓芬,史振华.北京市灵山亚高山草甸植被群落特征[J].水土保持通报,2016,36(3):165-171

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2015-06-01
  • 最后修改日期:2015-07-09
  • 录用日期:
  • 在线发布日期: 2016-07-12
  • 出版日期: