Spatial Variation of Rock Desertification at Typical Karst Region in Southeastern Part of Yunnan Province

MA Lichi; WANG Jinliang; LIU Guangjie

doi:10.13961/j.cnki.stbctb.2015.05.061

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Spatial Variation of Rock Desertification at Typical Karst Region in Southeastern Part of Yunnan Province

- Spatial Variation of Rock Desertification at Typical Karst Region in Southeastern Part of Yunnan Province
- Bulletin of Soiland Water Conservation Vol. 35, Issue 5, Pages: 327-333(2015)
- 作者机构：
  
  云南师范大学旅游与地理科学学院,云南,昆明,650500
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.05.061
  CLC：
- Published：2015
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MA Lichi, WANG Jinliang, LIU Guangjie. Spatial Variation of Rock Desertification at Typical Karst Region in Southeastern Part of Yunnan Province[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 327-333.
DOI：

MA Lichi, WANG Jinliang, LIU Guangjie. Spatial Variation of Rock Desertification at Typical Karst Region in Southeastern Part of Yunnan Province[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 327-333. DOI： 10.13961/j.cnki.stbctb.2015.05.061.

摘要

[目的] 分析石漠化变化趋势及发展规律

为决策部门合理规划和综合防治石漠化提供科学依据。[方法] 选取位于滇东南文山州境内的盘龙河流域作为研究区

利用RS

GIS等相关软件

解译出1990

2002和2009年盘龙河流域石漠化强度图

利用叠加分析法对海拔、坡度、坡向一系列地形因子的石漠化空间分布变化进行了分析。[结果] 从1990-2002-2009年盘龙河流域石漠化现象总体呈现出加重趋势

石漠化分布在空间格局上存在明显差异。[结论] 研究区景观格局变化和空间分布明显受地形因子的影响

不同的地形因子对石漠化空间分布有不同的影响。

Abstract

[Objective] The objective of this study is to analyze the spatial change of rock desertification in karst region in order to provide the scientific basis for reasonable planning and integrated contorl of decision making department.[Methods] The research was conducted in Panlong watershed located in Wenshan Prefecture

the south-eastern part of Yunnan Province. The map of rock desertification intensity was interpreted from the remote sensing images in 1990

2002 and 2009. The topographic factors(altitude

grade and exposure) that influenced the spatial distribution of rock desertification were analyzed by using overlay analysis method.[Results] From 1990 to 2009

rock desertification in Panlong watershed showed a increasing trend

and the distribution of rock desertification varied remarkably at the spatial scale.[Conclusion] The changes of landscape pattern and the spatial distribution of rock desertification were significantly influenced by topographic factors.

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