A reservoir is built in housetop, have structure of wall of edaphic lay aside, some of alga, fish is put inside, form small-sized ecosystem with assuring water quality fresh.
2
自然生态系统是每个这些领域的主要的蓄水池。
Areas of near-pristine wilderness and other little-modified environments are continually reduced.
3
该区曾被誉为“黄河蓄水池”的玛曲湿地趋于干涸，生态环境变得十分脆弱。
In this region, Maqu wetland eulogized as "Impounding water reservoir of the Yellow River" is tending to become dry up.
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