| 土壤湿度和植被盖度对土壤风蚀的影响 |
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| 引用本文： | 海春兴,刘宝元,赵烨.土壤湿度和植被盖度对土壤风蚀的影响[J].应用生态学报,2002,13(8):1057-1058. |
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| 作者姓名： | 海春兴 刘宝元 赵烨 |
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| 作者单位： | 北京师范大学资源与环境科学系环境演变与自然灾害教育部重点实验室,北京,100875 |
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| 基金项目： | 国家重点基础研究发展规划项目 (G2 0 0 0 1860 2 )，教育部高等学校骨干教师计划资助项目 . |
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| 摘 要： | 1 引 言随着土地承载量的不断增大 ,土壤风蚀已经成为干旱半干旱区农牧业发展的限制因素之一4] .孙建中等8] 研究表明 ,处于农牧交错带东段的河北坝上滦河源区是土壤轻度风蚀与未风蚀的交界带 .赵雪等10 ] 对河北坝上脆弱生态环境进行了分析 ,指出该区农业发展中存在的问题之一是土壤风蚀和土地沙化 .赵文智9] 对河北坝上半干旱 半湿润过渡带土壤水分状况研究表明 ,植被盖度的增大能够提高土壤保水能力 .贺大良等5,6] 在土壤属性方面研究了降雨与起沙风速之间的关系 ,发现降水与土壤湿度关系十分密切 ,而土壤表层水分的增加可减弱…
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| 关 键 词： | 土壤湿度 植被盖度 土壤风蚀 |
| 文章编号： | 1001-9332(2002)08-1057-02 |
| 修稿时间： | 2002年4月7日 |
Influence of soil humidity and vegetation coverage on wind erosion |
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| HAI Chunxing,LIU Baoyuan,ZHAO Ye.Influence of soil humidity and vegetation coverage on wind erosion[J].Chinese Journal of Applied Ecology,2002,13(8):1057-1058. |
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| Authors: | HAI Chunxing LIU Baoyuan ZHAO Ye |
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| Institution: | Key Laboratory of Environmental Change and Natural Disaster, Educational Ministry of China, Department of Resource and Environmental Science, Beijing Normal University, Beijing 100875. hcxjs@imnu.edu.cn |
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| Abstract: | Wind erosion is becoming a constraining factor to agriculture and animal husbandry in the arid and semiarid area of Luanhe River. In this paper, wind erosion process was studied through simulation experiments. The results showed that soil humidity and vegetation coverage were the main factors affecting wind erosion.The wind erosion rate was decreased with increasing soil humidity and vegetation coverage,and hence, the wind erosion process was reduced by modulating soil humidity and vegetation coverage in human activities. |
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| Keywords: | Soil humidity Vegetation coverage Wind erosion |
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