1　西部地区要实施环保型开发方略 ,建立生态安全体系实施西部大开发战略为西部地区的经济发展和生态环境建设创造了前所未有的历史机遇。如何在加速西部地区经济腾飞的同时 ,使生态环境建设也有一个大的发展 ,这可以说是一个跨越难度极大 ,而又必须跨越的两难选择。我们认为从 1 The western region should implement an environmentally friendly development strategy and establish an ecological security system. The implementation of the strategy for the great development of the western region has created unprecedented historical opportunities for the economic development and ecological environment in the western region. How to speed up the economic growth in the western region while making the ecological environment has a great development, which can be said to be a dilemma, but must be crossed over the dilemma. We think from