Relation Between Land Use Change and Soil Erosion Change--Taking the Midtown of Suining City As an Example

LI Hui-xia; LIU Shu-zhen; HE Xiao-rong; FAN Jian-rong

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Relation Between Land Use Change and Soil Erosion Change--Taking the Midtown of Suining City As an Example

- Relation Between Land Use Change and Soil Erosion Change--Taking the Midtown of Suining City As an Example
- Bulletin of Soiland Water Conservation Vol. 23, Issue 4, Pages: 10-13(2004)
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- Published：2004
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LI Hui-xia, LIU Shu-zhen, HE Xiao-rong, et al. Relation Between Land Use Change and Soil Erosion Change--Taking the Midtown of Suining City As an Example[J]. Bulletin of Soiland Water Conservation, 2004, 23(4): 10-13.
DOI：

LI Hui-xia, LIU Shu-zhen, HE Xiao-rong, et al. Relation Between Land Use Change and Soil Erosion Change--Taking the Midtown of Suining City As an Example[J]. Bulletin of Soiland Water Conservation, 2004, 23(4): 10-13. DOI：

摘要

应用TM遥感影像

提取土地利用和土壤侵蚀的相关信息。采用叠加分析的方法

对遂宁市市中区1995—2000年的土地利用变化和土壤侵蚀变化的关系进行了分析。结果表明

遂宁市市中区土地利用变化总体上有利于水土保持、土壤侵蚀面积减少和侵蚀强度降低。影响土壤侵蚀的主要土地利用变化发生在丘陵旱地

其中水土保持效果最显著的是旱地的内部转化

这充分体现了坡改梯工程在土壤侵蚀治理中的重要性。旱地向林地的转化对该区土壤侵蚀的治理也是很有利的

退耕还林工程同样不可忽视。换言之

"长治"工程综合治理在遂宁市市中区中已经取得了令人满意的生态效益

其成功的经验值得推广和借鉴。

Abstract

Information on land use and soil erosion was extracted from TM remotely sensed images.The relation between land use change and soil erosion change was explored by overlapping the respective map layers.Results show that land use change in the m idtown of Suining City is favorable for soil and water conservation.The main land use change enhancing soil and water conservation occurs on the dry upland.Changes within dry land areas

i.e.the conversion of dry land to terrace

are the most effective for preventing soil erosion.The conversion of dry land to forest is also helpful for soil conservation.In other words

the implementation of comprehensive land management practices in the midtown of Suining City has produced satisfying ecological benefits

and the successful experiences are worthy of consideration.

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Related Institution

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