The results demonstrate that after impoundment the pollution concentration reaches 49.4 mg/L from 11.14 mg/L while pollution zone extends 4～10 km.
得出蓄水后浓度由11．14mg／L增加到49．4mg／L，污染带长度为4～10km。
参考来源 - 三峡工程对长江重庆段水环境影响及对策·2,447,543篇论文数据，部分数据来源于NoteExpress
The heron is only distributed in eastern coast of Xiamen which had less human activity and pollution, and its intertidal zone was rocky and sandy.
厦门的岩鹭仅分布于东部海岸，该区域人为干扰和污染少，潮间带底质以砂砾、岩石为主。
Water environmental capacity of Danshui River of Jinyangkou Protection Zone is calculated and based on this, the pollution control methods are put forward.
计算了津洋口防护区丹水河的水环境容量，并据此提出水环境污染治理方案。
The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.
计算结果表明，唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。
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