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位于黄土高原腹地的陕西省安塞县纸坊沟小流域(8.27平方公里),是水保所与安塞县政府共同承担国家科技攻关项目的一个试验示范区。经过20余年的综合治理,走出了一条水土保持型生态农业的路子。不仅为该地区水土流失治理和生态环境建设提供了大量的科学依据,而且成为小流域综合治理、特别是以林草植被建造为中心的生态环境建设,实现生态经济良性循环和可持续发展的典范。到过纸坊沟的中外专家和各级领导,称赞它为“黄土明珠”。——编者
Located in the hinterland of the Loess Plateau, Ansai County, Shaanxi Province, Fangfanggou small watershed (8.27 square kilometers), is a pilot demonstration area where the State Environmental Protection Administration and Ansai County government jointly undertake national scientific and technological projects. After more than 20 years of comprehensive management, we have embarked on a path of soil and water conservation-oriented ecological agriculture. It not only provides a great deal of scientific evidence for soil erosion control and ecological environment construction in this area, but also serves as a model for the comprehensive management of small watershed, especially the ecological environment centering on the construction of forest and grass vegetation so as to realize the virtuous circle and sustainable development of ecological economy . To Zhifanggou Chinese and foreign experts and leaders at all levels, praising it as “loess pearl ”. --editor