An Analysis on Land Degradation in Chuxiong City of Yunnan Province

Zhang Jianpingm; Wang Yukuan; Chen Xuehua; Wen Anbang

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An Analysis on Land Degradation in Chuxiong City of Yunnan Province

- An Analysis on Land Degradation in Chuxiong City of Yunnan Province
- Bulletin of Soiland Water Conservation Vol. 17, Issue 3, Pages: 16-19(1998)
- 作者机构：
  
  中国科学院成都山地灾害与环境研究所,成都市,610041
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1998
- 稿件说明：
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Zhang Jianpingm, Wang Yukuan, Chen Xuehua, et al. An Analysis on Land Degradation in Chuxiong City of Yunnan Province[J]. Bulletin of Soiland Water Conservation, 1998, 17(3): 16-19.
DOI：

Zhang Jianpingm, Wang Yukuan, Chen Xuehua, et al. An Analysis on Land Degradation in Chuxiong City of Yunnan Province[J]. Bulletin of Soiland Water Conservation, 1998, 17(3): 16-19. DOI：

摘要

楚雄市的土地退化以水蚀为主要动力

在云贵高原具典型代表性。全市退化土地面积1159.44 km

占总面积的26.17 %。土地退化的危害有:降低土壤肥力

冲断桥梁

加剧自然灾害

毁坏水利工程。其形成原因中自然因素是:地形破碎

降水分布不均匀

地表物质疏松;人为原因是:人口快速增长增加对土地的压力

导致乱垦坡地

砍伐森林和超载放牧。

Abstract

The land degradation in Chuxiong city is resulted mainly by water erosion

it is representative of Yunnan-Guizhou plateau .The area of degraded land is 1159.44 km2

it makes up 26.17% of the total area.The harm of land degradation are reducing soil fertility

bursting bridges

aggravating natural disaster and damaging irrigation works.In its formation causes

tattered landform

uneven precipitation and loose land surface matter are the natural factors ;The increased population resulted in slope land under cultivation

forest cut and over-load grazed.

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