进入三北四期工程建设以来,甘肃省按照国家林业建设的政策,着力实现由数量扩张型向质量效益型转变,工程区生态建设面貌不断改观,政府资助,群众参与的积极性进一步高涨。全省按照项目化管理和集中治理,重点突破的原则,将三北四期工程分为河西走廊防护林建设工程;陇东丘陵水土保 Since entering the Three-North Phase IV Project, Gansu Province has made efforts to transform itself from a quantity-expansion type to a quality-benefit type according to the national forestry construction policy. The ecological construction outlook in the project area has been constantly improved. Government subsidies and mass participation have further risen. According to the principles of project management, centralized management and key breakthroughs, the province divides the Three North Fourth Project into Hexi corridor protection forest construction project; the Longdong hills water and soil conservation