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首页> 外文会议>Erosion and sediment yields in the changing environment >Soil erosion under different land uses in the riparian zone of the Three Gorges Reservoir, China
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Soil erosion under different land uses in the riparian zone of the Three Gorges Reservoir, China

机译：三峡库区河岸带不同土地利用方式下的土壤侵蚀

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摘要

Different land use and management practices have varying impacts on soil erosion. There are few reports concerning the land-use effects on soil erosion for the riparian zone of the Three Gorges Reservoir (TGR). The present study investigated soil erosion rates in artificial grassland, natural grassland, cropland, and bare land at the riparian zone in the middle reach of the TGR during 2008-2012. Fifteen experimental plots with different land use were set up to observe soil erosion rates with erosion pins. The results show that the maximum soil erosion rate was 94 887 t km~(-2) year~(-1) in the conventional tillage farmland, followed by 92 423 t km~(-2) year~(-1) in the bare land, 64 670 t km~(-2) year~(-1) in the bunch planting farmland, 37 794 t km~(-2) year in the natural grassland, and the minimum soil erosion rate was 21 340 t km~(-2) year~(-1) in the artificial grassland.
机译：不同的土地使用和管理方式对土壤侵蚀有不同的影响。关于三峡水库（TGR）河岸带土地利用对土壤侵蚀的影响的报道很少。本研究调查了2008-2012年TGR中游河岸带的人工草地，天然草地，农田和裸地的土壤侵蚀率。建立了15个不同土地利用的试验区，以观察侵蚀针的土壤侵蚀率。结果表明，传统耕作耕地的最大土壤侵蚀速率为94 887 t km〜（-2）年〜（-1），其次为92423 t km〜（-2）年〜（-1）。裸地，成群种植农田为64 670 t km〜（-2）年〜（-1），天然草地为37 794 t km〜（-2）年，最小土壤侵蚀速率为21340 t km 〜（-2）年〜（-1）在人工草地上。

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  • 来源
  • 会议地点 Chengdu(CN)
  • 作者

    YUHAI BAO; XIUBIN HE; JIE WEI; QIANG TANG; FENG GUO;

  • 作者单位

    Key Laboratory of Mountain Environment Evolution and Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;

    Key Laboratory of Mountain Environment Evolution and Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;

    Geography and Tourism College, Chongqing Normal University, Chongqing 400047, China;

    Key Laboratory of Mountain Environment Evolution and Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China,Graduate University of Chinese Academy of Sciences, Beijing 100049, China;

    Key Laboratory of Mountain Environment Evolution and Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China,Graduate University of Chinese Academy of Sciences, Beijing 100049, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    three gorges reservoir; riparian zone; land uses; soil erosion;

    机译：三峡水库；河岸带土地利用；水土流失;

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