Changes of Plant Diversity After Aerial Seeding in Hunshandake Sandy Land -A Case Study in Zhenglan Banner of Inner Mongolia

TIAN Haichen; LIU Guohou

doi:10.13961/j.cnki.stbctb.2015.02.051

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Changes of Plant Diversity After Aerial Seeding in Hunshandake Sandy Land -A Case Study in Zhenglan Banner of Inner Mongolia

- Changes of Plant Diversity After Aerial Seeding in Hunshandake Sandy Land -A Case Study in Zhenglan Banner of Inner Mongolia
- Bulletin of Soiland Water Conservation Vol. 35, Issue 2, Pages: 269-273(2015)
- 作者机构：
  
  内蒙古农业大学生态环境学院,内蒙古,呼和浩特,010019
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.02.051
  CLC：
- Published：2015
- 稿件说明：
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TIAN Haichen, LIU Guohou. Changes of Plant Diversity After Aerial Seeding in Hunshandake Sandy Land -A Case Study in Zhenglan Banner of Inner Mongolia[J]. Bulletin of Soiland Water Conservation, 2015, 35(2): 269-273.
DOI：

TIAN Haichen, LIU Guohou. Changes of Plant Diversity After Aerial Seeding in Hunshandake Sandy Land -A Case Study in Zhenglan Banner of Inner Mongolia[J]. Bulletin of Soiland Water Conservation, 2015, 35(2): 269-273. DOI： 10.13961/j.cnki.stbctb.2015.02.051.

摘要

[目的] 对内蒙古境内浑善达克沙地植被恢复过程中植物群落的物种组成以及多样性的变化规律进行分析

为该地区的植被恢复提供理论依据和科学指导。[方法] 采用样带法对植物群落进行调查。[结果] (1)沙地植被恢复5年后群落内共有33种植物

分属于10科27属;(2)随着恢复年限的延长

物种丰富度指数、物种多样性指数、物种均匀度指数和群落盖度均逐渐增大

而生态优势度指数则逐渐减小。植物群落物种由6种(未治理)增加到21种(治理5 a)

物种多样性指数由1.20增加至2.77

物种均匀度指数由0.67升高至0.91

群落盖度从2.06%增加到75.58%

生态优势度指数由0.57减少至0.32。[结论] 浑善达克沙地飞播区植被得到明显恢复

沙地恢复到一定阶段后群落趋于稳定

风沙化得到一定程度的遏制。

Abstract

[Objective] To understand the variation of species composition and species diversity of plant community in Hunshandake sandy land with different recovery ages in the process of vegetation restoration

and to provide theoretical basis and scientific guidance for the vegetation restoration in the area.[Methods] Plant community was investigated by transect sampling method.[Results] (1) There were 33 species of 10 genera in 27 families after five years restoration; (2) Species richness

diversity

evenness and community coverage increased gradually with the increase of vegetation recovery period

while the ecological dominance index reduced yearly. After five years recovery

the species number increased from 6 to 21; The species diversity increased from 1.20 to 2.77; Species evenness raised from 0.67 to 0.91; Community coverage was improved obviously(from 2.06% to 75.58%); Ecological dominance index degraded from 0.57 to 0.32.[Conclusion] Vegetation recovered obviously

plant community tended to be stable after the sandy restored to a certain stage

and the wind drifted desertification in Hunshandake sandy land was repressed to some extent.

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