Special Column:Celebration of the 70th Anniversary of IGSNRR, CAS

Study on Comprehensive Control Measures of Soil Erosion about Shixia Small Watersheds in the Upper Miyun Reservoir

  • 1. Institute of Geographic Sciences and Natural Resources Research,Key Laboratory of Water Cycle &
    Related Land Surface Processes,CAS,Beijing 100101,China;
    2. Graduate University of Chinese Academy of Sciences,Beijing 100049,China;
    3. Beijing Centre of Soil and Water Conservation,Beijing 100038,China;
    4. College of Resources and Environment,Huazhong Agricultural University,Wuhan 430070,China

Received date: 2007-07-09

  Revised date: 2007-12-07

  Online published: 2008-05-28


The control measures of the slope land and types of land use are the most important factors for controlling water and soil loss,and the appropriate control measures of the slope land and types of land use could control soil erosion,protect land resource,and improve the environment effectively.In this study,based on the survey data of runoff plots,the effect of integrated water and soil conservation measures on slope surface on water and soil loss was researched.The results showed that compared with the slope land,the sediment reduction rate of terrace and narrow terrace reaches 64.83%-91.81%,this shows terrace could control soil erosion effectively,and the water and soil reduction benefits from terrace on the shady slope are better than the terrace on the sunny slope and the wide narrow terrace with ridge is better than the one without ridge.The water and sediment benefits from comprehensive water and soil conservation measure are very high,which can get to 96.21%-99.38%.At the same time,the soil erosion modulus of runoff plots with comprehensive control measure is less than the soil loss tolerance of 200t/km2·a in earthy-rocky mountain area of northern China,which is promulgated by the Ministry of Water Resources of the People's Republic of China.The natural prohibition can also control water and soil loss effectively,but as a result of comprehensive control measure induced changes of the slope surface shape,slope grade has less impact on water and soil loss.

Cite this article

HE Ji-jun, CAI Qiang-guo, LU Bing-jun, WANG Xue-qiang, . Study on Comprehensive Control Measures of Soil Erosion about Shixia Small Watersheds in the Upper Miyun Reservoir[J]. JOURNAL OF NATURAL RESOURCES, 2008 , 23(3) : 375 -382 . DOI: 10.11849/zrzyxb.2008.03.003


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