【摘要】 通过分析黄土高原生态环境和生态建设的现状 ,进一步理解在中央决定实施西部大开发战略的新形势下 ,朱钅容基总理有关加强生态环境建设指示的重要意义。并以延安 6 5 0 km2 山川秀美示范区建设为例 ,探讨了生态环境建设的阶段、目标、模式及科技试验示范的主要任务更多还原

【Abstract】 The authors analyzes the current condition of ecosystem environment and its construction to make further understanding of the importance to pay a greater attention on the construction of ecosystem environment indicated by Premier Zhu, under the latest situation of developing the west decided by the Central Authorities of China. The demonstration zone of ecosystem construction,occupying 650 km 2 around Yan’an city, is taken as an example to discuss the stages and target as well as the models of the construction and the mission of the experiments and demonstration in the area.更多还原