In this paper evolution of ancient lake in Taiyuan basin and changes of ecological environment were studied by optical enhancement of remote sensing image, geoscience analysis and historical records.
本文采取遥感图像光学增强、地学分析和历史资料论证的方法，研究了太原断陷盆地古湖泊的演变与生态环境的变化。
Water conservancy projects, especially some mega-project construction in schistosomiasis endemic areas usually give rise to changes of the ecological environment in the project and downstream area.
水利工程特别是血吸虫病疫区的大型水利工程建设，往往会改变工程区及其下游地区的生态环境。
Findings of the Beijing landscape pattern and changes in the urban landscape of the ecological environment is of great significance to the rational use of land and urban planning.
研究结果对于北京市景观格局特征和变化规律，对于城市景观生态环境的优化、土地的合理利用以及城市规划具有重要的意义。
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