Changes of Plant Diversity After Aerial Seeding in Hunshandake Sandy Land -A Case Study in Zhenglan Banner of Inner Mongolia
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    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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田海晨,刘果厚.浑善达克沙地飞播区植物多样性的变化——以内蒙古正蓝旗为例[J].水土保持通报英文版,2015,35(2):269-273

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History
  • Received:March 21,2014
  • Revised:March 28,2014
  • Adopted:
  • Online: April 05,2016
  • Published: