水坝的带来移民安置问题，破坏生态系统，淹没考古地点及文化古迹，增加滑坡的危险，加剧下游的污染程度。
They've necessitated the relocation of millions of people, destroyed ecosystems, flooded archeological and cultural sites, increased the risk of landslides, and raised pollution levels downstream.
滥垦草原、盲目移民的结果是草原生态环境遭到严重破坏而沙化退化；
Because of abusive cultivation of grassland and unplanned immigration, the ecological environment of grassland has been deteriorating and the process of desertification is accelerated.
接着，对有关三峡工程兴建的一些主要问题，特别是大家非常关心的水库移民和生态环境等问题进行了论述。
Then, some principal problems about the construction of Three Gorges Project, particularly, the resettlement, the ecology and the environment of much interest to the public, are discussed.
随着大量移民的迁入，后套地区的生态环境、民俗文化也受到了影响，从而形成后套独特的民俗习惯。
With a large number of immigrants entry, the Houtao ecological environment and folk culture come under a far-reaching influence, thereby formed the unique custom of Houtao.
随着移民范围和开发程度的迅速增大，水资源利用程度随之提高，水资源分布格局及地下水流场发生了重大改变，从而可能引发一系列生态环境问题。
With the rapid increase in immigrants, the utilization degree of water resources has been improved, leading to changes in the distribution of water resources and in the groundwater flow field.
随着移民范围和开发程度的迅速增大，水资源利用程度随之提高，水资源分布格局及地下水流场发生了重大改变，从而可能引发一系列生态环境问题。
With the rapid increase in immigrants, the utilization degree of water resources has been improved, leading to changes in the distribution of water resources and in the groundwater flow field.
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