草地学报

›› 2009, Vol. 17 ›› Issue (3): 310-314.DOI: 10.11733/j.issn.1007-0435.2009.03.009

• 研究论文 • 上一篇    下一篇

滇东北山区不同类型植被对水土流失的影响

朱晓艳1,2, 张英俊2, 历卫宏2, 朱兴宏3, 刘荣堂1, 付丽3, 袁平4   

  1. 1. 甘肃农业大学草业学院, 兰州, 730070;
    2. 中国农业大学草地研究所, 北京, 100193;
    3. 会泽县畜牧局饲草饲料监理站, 云南, 654200;
    4. 会泽县田坝乡畜牧兽医站, 云南, 654219
  • 收稿日期:2008-06-19 修回日期:2009-05-04 出版日期:2009-06-15 发布日期:2009-06-15
  • 通讯作者: 朱兴宏,E-mail:zhuxinghong8642@sina.com
  • 作者简介:朱晓艳(1981- ),女,河南省新乡市人,博士,研究方向为草原生态学
  • 基金资助:
    国家科技支撑项目(2006BAD16B07);农业部推广项目(2002/642)

Comparison of Water and Soil Conservation among Different Vegetations in Mountain Areas of Northeast Yunnan Province,China

ZHU Xiao-yan1,2, ZHANG Ying-jun2, LI Wei-hong2, ZHU Xing-hong3, Liu Rong-tang1, FU Li3, Yuan Ping4   

  1. 1. Pratacultural College, Gansu Agricultural University, Lanzhou, Gansu Province 730070, China;
    2. China Agricultural University, Beijing 100193, China;
    3. Forage Monitoring Station, Huize County Animal Husbandry Bureau, Yunnan Province 654200, China;
    4. Tianba Village Animal Husbandry and Veterinary Station, Huize County, Yunnan Province 654219, China
  • Received:2008-06-19 Revised:2009-05-04 Online:2009-06-15 Published:2009-06-15

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摘要： 针对滇东北山区植被破坏、水土流失严重的问题,于2005年5-10月,在云南省会泽县海拔2380 m、22°的坡地上设置水土流失试验样方,观测裸地、马铃薯地、燕麦地、改良草地和天然草地水土流失控制效果。结果表明:坡度一致时,不同植被的地表径流量和土壤流失量均随降雨量的升高而增大;降雨量一致时,各观测样方的地表径流量和土壤流失量均为裸地>马铃薯地>燕麦地>改良草地>天然草地。监测期内裸地累计地表径流量和土壤流失量分别为369.5 t/hm2、26.5 t/hm2,显著高于其他植被类型(P<0.05)。天然草地累计地表径流量和土壤流失量均为0 t/hm2,其中每hm2累计地表径流量分别比裸地、马铃薯地、燕麦地、改良草地减少了369.5 t、92.0 t、62.2t、50.0 t;累计土壤流失量分别比裸地、马铃薯地、燕麦地、改良草地减少了26.5 t、9.4 t、0.63 t、0.5 t。

关键词: 草地植被, 坡地, 降雨量, 地表径流, 土壤流失

Abstract: According to the problems of vegetation destruction and serious soil erosion in the mountain areas of northeast Yunnan province,the run-off observation field was distributed at the slope lands of approximately 22° grade and 2380m altitude in Huize County and bare land,potato plot,oat plot,sown grassland,and rangeland were set up for field survey of soil and water loss.The results show that the surface run-off and the soil loss of different vegetation types at the same grade were all increased along with rainfall intensity increasing.The amount of the surface run-off and soil loss under same precipitation condition ranked as follows: bare land > potato plot > oat plot > sown grassland > rangeland.The total amount of the surface run-off and soil loss were 369.5 and 26.5 t·hm-2 in bare land,respectively,significantly higher than other lands(P<0.05).The total amount of the surface run-off in rangeland was 0 t·hm-2,reduced 369.5,92.0,62.2,and 50.0 t per hm2 than bare land,potato plot,oat plot,and sown grassland,respectively;the total amount of soil loss was 0 t·hm-2,reduced 26.5,9.4,0.63,and 0.5 t per hm2 than bare land,potato plot,oat plot,and sown grassland,respectively.

Key words: Grassland vegetation, Slope land, Rainfall, Surface run-off, Soil loss

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