近年来,由于我国大范围频频遭受沙尘暴的袭扰,保护生态环境已成了党和政府特别关注的焦点,并纳入国民经济可持续发展战略的重点。随着公路交通基础设施建设的快速发展,在工程建设中如何处理好保护自然环境和生态平衡,成为一个十分重要而紧迫的课题。陕 In recent years, due to the frequent and widespread dust storms in our country, the protection of the ecological environment has become the focus of special attention of the Party and the government and has been put in the focus of the strategy of sustainable development of the national economy. With the rapid development of highway traffic infrastructure construction, how to handle well the protection of the natural environment and ecological balance has become a very important and urgent issue in the project construction. Shaanxi