该文在坝系规划建设的基础上，研究适合黄土高原沟壑区坝系多目标开发统筹规划的方法。
Based on the planning review of Dam in this pape, study the multi-objective development of overall planning approach which is for Dam System of the Loess Plateau.
论述了陇东黄土高原沟壑区干旱草地的生境条件，草地生产能力、生产现状及存在的问题。
The paper discussed the habitat condition, grassland production ability, current production situation and existing problems of arid grassland in Loess Plateau of east Gansu Province.
以西峰杨家沟小流域为研究对象，研究了在降雨和人类活动的影响下，黄土高原沟壑区小流域治理前后水沙变化。
The variation of water and sand is studied under the influence of the rainfall and human activity, in the fore and after management of small watershed in gully region of the loess plateau.
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