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河道是流域系统的一个重要子系统,而且河道泥沙灾害所造成的损失往往是巨大的。因此,在进行水土保持治理时,就必须考虑河道系统的反馈效应,适应河流系统动平衡及可持续发展的要求,使水土保持治理建立在整体流域环境系统协调演化的科学基础之上。
River courses are an important subsystem of river basin systems, and the losses caused by river sediment disasters are often enormous. Therefore, in the process of soil and water conservation, we must consider the feedback effect of the river system and adapt to the requirements of river system dynamic balance and sustainable development so that soil and water conservation management can be based on the scientific basis of the coordinated evolution of the environmental system of the whole basin.