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辽宁省土壤侵蚀和侵蚀沟发展的影响因素

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概述了辽宁省气候、地质构造、地形、地貌、土壤及社会人文环境,分析了这些环境因素对辽宁省土壤侵蚀与侵蚀沟发展的影响.结果表明,辽宁省土壤侵蚀产生和加剧是多种因素共同作用的结果.辽西、辽东和辽中等不同区域土壤侵蚀强度与侵蚀沟分布密度存在差异,这种差异正是侵蚀环境不同造成的.在人类活动、土地利用不合理的条件下,某些自然因素对土壤侵蚀的影响明显地凸现出来,侵蚀沟的产生与发展是土壤侵蚀达到严重程度的标志.
Study on Influence factors of Development of Soil Erosion and Erosion Gully in Liaoning Province
The relationships between soil erosion and erosion gully in Liaoning province and climate environment, geological structure, terrain and landforms, human activity have been analyzed. With all these factors, soil erosion and gully erosion became intensified. In this research, it pointed that about the erosion intensity and density distribution of erosion gully there are existed some differences between the western, eastern and midist area of Liaoning province,and the differences were connected with the difference of erosion enviorment. The authors found, the activity of geologic structure has caused the formation of erosion gullies with large scale and middle size. Because the human activities, some physical factors might aggravate the soil erosion. The formation and development of erosion gully illustrated that the soil erosion has become acute.

Liaoning provinceSoil erosionErosion gullyEnviorment

方广玲、郭成久、范昊明、杨瑞坤

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沈阳农业大学水利学院,辽宁沈阳,110161

辽宁省 土壤侵蚀 侵蚀沟 环境

沈阳农业大学校科研和教改项目辽宁省教育厅高等学校科学研究支持项目

05L403

2007

安徽农业科学
安徽省农业科学院

安徽农业科学

CSTPCDCSCD北大核心
影响因子:0.413
ISSN:0517-6611
年,卷(期):2007.35(1)
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