西北生态环境建设的剖析与新构思

The Analysis and New Ideas of the Construction of Ecological Environment in North-western Region

西北干旱区生境严峻 ,生态灾害已日渐频发 ,生态建设已成为西部大开发的必要前提。但干旱缺水是此区特征 ,灌溉造林仅在有限范围可行 ,广大荒漠必须重建免灌的植被类型 ,点面配合 ,才能根本扭转此区生境局部改善而全局恶化的局势。据长期对荒漠免灌植被及其复原的研究进展 ,作者提出采用建立免灌植被以推动西部生态建设 ,保障西部大开发和实现可持续发展目标的新构思。

The habitat is severe in North Western arid region. The ecological calamity has taken place frequently, so ecological construction becomes necessery premise in the Western Development. But the lack of water is so severe that the planting is practical only in the limit scope. By reconstructing the inirrigatable plant type in the larye desert area, the situation of the part habitat mprored and the whole deteriorated will be put an end. According to the long term research into inirrigatable plants and recovery in desert, the author advances a new idea which promotes ecological construction, ensures the Western Development and realizes sustainable development.