Status and Prevention Measures of Land Desertification of Chaidamu Basin in Qinghai Province

ZHAO Chuan-chuan; DONG Xu; XIN Wen-rong; ZHANG Feng-chen; YANG Xiao-yang

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Status and Prevention Measures of Land Desertification of Chaidamu Basin in Qinghai Province

- Status and Prevention Measures of Land Desertification of Chaidamu Basin in Qinghai Province
- Bulletin of Soiland Water Conservation Vol. 28, Issue 1, Pages: 196-199(2009)
- 作者机构：
  
  1. 陕西科技大学资源与环境学院,陕西,西安,710021
  2. 青海省林业调查规划院,青海,西宁,810007
  3. 国家林业局西北林业调查规划设计院,陕西,西安,710048
  4. 西北大学生命科学学院,陕西,西安,710069
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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ZHAO Chuan-chuan, DONG Xu, XIN Wen-rong, et al. Status and Prevention Measures of Land Desertification of Chaidamu Basin in Qinghai Province[J]. Bulletin of Soiland Water Conservation, 2009, 28(1): 196-199.
DOI：

ZHAO Chuan-chuan, DONG Xu, XIN Wen-rong, et al. Status and Prevention Measures of Land Desertification of Chaidamu Basin in Qinghai Province[J]. Bulletin of Soiland Water Conservation, 2009, 28(1): 196-199. DOI：

摘要

基于柴达木盆地1959-2004年土地沙漠化的6次动态监测结果

对该区土地沙化现状进行了分析研究。分析结果表明

盆地沙化土地面积从1959年的5.80×10

增加到1994年的1.03×10

年增长率为2.13%;随着林业生态工程的实施

1994年以后沙化面积呈现下降趋势

从1994年的1.03×10

减少到2004年的9.50×10

年下降率为0.67%;分析结果同时表明

严重和中度沙化面积之和占整个盆地沙化面积的比例从1959年的89.6%上升到2004年的94.1%

占整个盆地土地面积的比例从1959年的23.2%上升到2004年的38.0%

说明局部地区沙化仍在加剧和扩展。进一步探究了造成柴达木盆地土地沙漠化现状的自然因素和主要人为因素

结合监测结果以及沙产业理论

提出了柴达木盆地土地沙漠化防治的具体措施和对策。

Abstract

This study was based on dynamic measurement of deserted land in Chaidamu Basin

Qinghai Province

from 1959 to 2004.Results showed that the area of deserted land in the basin increased from 5800000hm2 in 1959 to 10254000hm2 in 1994

with an increased percentage of 2.13% per year on average.With the implementation of forest policies

the area of deserted land in the basin descended from 10254000hm2 in 1994 to 9495000hm2 in 2004

with a yearly-dropping percentage of 0.67%.The trend of desertification is still aggravated in some regions.The main factors for the expansion of deserted land were studied as well.Finally

some prevention countermeasures were proposed on the basis of the above study and analysis.

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