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Related Experiment Videos

Shifting-sand control in central Tibet.

Z Liu1, W Zhao

  • 1Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China. liuzhimin2002@yahoo.com

Ambio
|January 5, 2002
PubMed
Summary

Desertification is a growing problem in the Tibetan Autonomous Region due to land overexploitation. This study explores strategies like agricultural reform and mechanical-biotic measures to combat shifting sands and restore vegetation.

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Area of Science:

  • Environmental Science
  • Ecology
  • Geography

Background:

  • The Tibetan Autonomous Region's river valleys face significant desertification.
  • Overexploitation of land exacerbates environmental fragility.
  • Shifting sands impact agriculture, infrastructure, and water projects.

Purpose of the Study:

  • To discuss strategies and techniques for combating desertification.
  • To address the challenges posed by shifting sands in the region.
  • To propose methods for establishing artificial vegetation on mobile sand dunes.

Main Methods:

  • Reformation of agricultural structures.
  • Exploitation of new energy sources.
  • Combination of mechanical and biotic measures, including straw barriers and gravel layers.

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Main Results:

  • Artificial vegetation establishment on mobile sand dunes is feasible.
  • Introduced species can be successfully sown and planted.
  • Integrated approaches mitigate desertification impacts.

Conclusions:

  • Combating desertification requires multifaceted strategies.
  • Mechanical and biotic measures are effective in restoring vegetation.
  • Sustainable land management is crucial for the Tibetan Autonomous Region.