Li Bicheng,Jiao Feng,Ma Xiacyun.An Evaluation on the Environment of Soil Erosion and the Benefit of Synthetical Harness at Shahghuang Experimetal Field of Guyuan County[J].Research of Soil and Water Conservation,1996,3(01):122-128,153.
固原上黄试区土壤侵蚀环境与综合治理效益评价
- Title:
- An Evaluation on the Environment of Soil Erosion and the Benefit of Synthetical Harness at Shahghuang Experimetal Field of Guyuan County
- 摘要:
- 本文通过对上黄试区所处的宁南六盘山区的地质构造背景和地貌特征的分析，论述了其土壤侵蚀环境，并利用遥感制图对土壤侵蚀类型与强度进行了研究.在此基础上对试区“八五”水土保持综合治理的生态经济效益进行了评价.经分析比较认为，试区年治理速度比面上高出2.7个百分点，总治理度达76%，减少输沙量63.3%.
- Abstract:
- From the analysis of the background of geological structure and gelmer-phologic characters of Liupan mountain area in Southern Ningxia where shanghuang experimental field located, this paper discussed the environment of soil erosion of Shanghuang experimental field and had done an study on soil erosion type and intensity by taking remote sensing mapping.On this basis, an evaluation has been taken on ecological-economic benefit of synthetical harness on soil and water conservaton during the eighth -five year, by analysis and comparision it showed average yearly harness speed of experimental field is 2.7% higher than that of total mountain area and the general harness degree reached 76%, moreover the amount of sand discharge decreased 63.3%.
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相似文献/References:
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[2]方炫,李壁成,白小梅,等.基于GIS的黄土高原小流域植被格局与地形关系研究——以固原上黄试区为例[J].水土保持研究,2010,17(05):92.
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备注/Memo
收稿日期:1995-11-10;改回日期:。