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一、科学设计,确定普查对象与范围按照《第一次全国水利普查实施方案》,水土保持情况普查将全面调查全国水土流失、侵蚀沟道、水土保持措施现状,通过掌握水土流失动态变化情况,科学评价水土保
I. Scientific Design and Determining the Scope and Scope of the Census According to the “Implementation Plan of the First National Water Census”, the general survey on soil and water conservation will comprehensively investigate the current status of soil and water loss, erosion channels and soil and water conservation measures in the country. By grasping the dynamic changes of soil and water loss, Scientific Evaluation of Soil and Water Conservation