| 反坡水平阶水土保持效益观测 |
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| 引用本文： | 邢鹏远,王克勤,杨绍兵,陈志中,康龙.反坡水平阶水土保持效益观测[J].中国水土保持科学,2010,8(5):119-124. |
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| 作者姓名： | 邢鹏远 王克勤 杨绍兵 陈志中 康龙 |
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| 作者单位： | [1]西南林业大学环境科学与工程系,650224 [2]昆明市水务局,昆明650231 |
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| 基金项目： | 国家自然科学基金项目，云南省自然科学基金项目，云南省科技计划项目，西南林业大学水土保持重点学科建设项目 |
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| 摘 要： | 在昆明市松华坝水源区牧羊河中游坡耕地布设反坡水平阶与对照径流小区,观测2种径流小区的径流量、泥沙量、总氮及总磷输出浓度和输出量。结果表明:与对照相比,反坡水平阶径流量减少34.14%、土壤流失量减少57.17%、总氮和总磷输出量分别减少33.32%和33.82%。坡耕地修反坡水平阶起到了较明显的保水、保土、保肥作用,对控制面源污染物具有重要意义。
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| 关 键 词： | 土壤流失量 面源污染物 输出量 反坡水平阶 昆明松华坝水源区 |
Observation on soil and water conservation benefit of horizontal stage |
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| Xing Pengyuan,Wang Keqin,Yang Shaobing,Chen Zhizhong,Kang Long.Observation on soil and water conservation benefit of horizontal stage[J].Science of Soil and Water Conservation,2010,8(5):119-124. |
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| Authors: | Xing Pengyuan Wang Keqin Yang Shaobing Chen Zhizhong Kang Long |
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| Institution: | 1.Department of Environmental Sciences,Southwest Forestry University,650224;2.Kunming Water Affairs Bureau,650231： Kunming,China) |
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| Abstract: | Based on the observation of runoff plots on sloping land in Muyang river middle stream of Songhuaba Reservoir in Kunming,the runoff amount,soil loss amount,output concentrations and output of the total nitrogen and total phosphorus in runoff plots were investigated.The results indicated that compared with the control study,runoff amount reduced 34.14%,soil loss amount reduced 57.17%,total Nitrogen and total Phosphorus output reduced 33.32% and 33.82% respectively, from plot under horizontal stage.The construction of horizontal stage on sloping land played a more obvious effect on soil and water conservation and fertilizer conservation,and it had a great significance for controlling the non-point source pollution matter. |
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| Keywords: | soil loss amount non-point source pollutants output horizontal stage Songhuaba Reservoir |
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