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针对北京市生态清洁小流域建设,根据小流域治理“三道防线”的概念,提出生态清洁小流域建设“三道防线”划分的原则、步骤以及采用GIS和专家相结合的方法进行“三道防线”的划分,为生态清洁小流域“三道防线”的划分提供科学依据和方法。
According to the concept of small watershed management and “Three Lines of Defense”, this paper puts forward the principles and steps for the construction of ecological clean small watershed and the method of combining GIS with experts Carry out the division of “three lines of defense” and provide scientific basis and method for the division of ecological cleanness small watershed and “three defense lines”.