Landfill should be avoided to minimise disturbance of habitat, sediment pollution, alteration to stream flow dynamics and effect on habitat.
在垃圾处理的过程中应该尽量避免打搅到动植物的天然栖息地，避免产生沉淀物的污染，最小化对水流与天然栖息地的污染。
On the other hand, as iron powder surface modification method, the copperized replacement technics is simple, low cost, fast sediment speed and has little environmental pollution.
另一方面，置换镀铜作为铁粉表面改性方法，工艺简单，沉积速度快，成本低，工艺流程中环境污染小。
Trough the study of the vertical distribution characteristics of organochlorine pesticides in the sediment core, the pollution history of organochlorine pesticides in Quanzhou Bay was discussed.
通过研究有机氯农药在沉积物柱样中的垂直分布特征，探讨了有机氯农药在泉州湾的污染历史。
The contents of organic matters, heavy metals, nitrogen, phosphorus, sulfide, et al. in Marine areas are becoming higher, which enhance the pollution of sediment environment.
海洋中有机质、重金属、氮、磷、硫化物等含量的增加加重了沉积环境的污染。
This paper summarized the progress of studies on the environmental pollution of heavy metals in lake sediment.
综述了湖相沉积物重金属环境污染研究进展。
After comprehensive harnessing the outside pollution had been effectively controlled, the endogenous pollution which was caused by polluted sediment would be become main nutritional load.
经综合治理其外源污染得到有效控制后，内源污染可能成为湖泊营养物的主要负荷。
It mainly discussed the research contents and the research methods in this field, and the evaluation methods of the environmental pollution of heavy metals in lake sediment.
介绍了该领域研究的主要研究内容、主要研究方法和湖相沉积物重金属污染的评价方法。
It is very essential in the study of environmental change and pollution monitoring to sample the undisturbed sediment from shallow water areas, such as lakes and reservoirs.
在对湖泊或水库等浅层水域的环境变化研究和环境污染检测中，浅层水域的淤泥质沉积物取样是一项必不可缺的工作。
Pollution of arsenic in bottom sediment of Guantin reservoir has been studied by field investigation and simulation test.
通过野外调查研究和室内模拟试验，研究了宫厅水库底质中砷的污染。
The average pollution index was 1.28 and the risk grade of degradation was 3. It showed that the sediment in the cage culture area was contaminated and near the middle degradation risk.
网箱海域底质有机物单因子质量指数为1.28，老化风险为3级，说明沉积环境受到有机物的明显污染，面临中等程度的老化风险。
Moreover, it proposes views and ideas of administrating the Dashahe bottom sediment poison pollution.
此外，就大沙河底泥毒物的治理方法提出了自己的见解。
For water and soil conservation and water pollution control, it is very important to simulate and predict the yield of sediment and pollutant during storm-runoff.
流域泥沙与非点源污染负荷的模拟与预测是水土保持和水污染控制管理的重要基础。 暴雨产沙与产污量过程的计算是模拟预测的一个重要环节。
The major way for the pollution into the lake is surface runoff, sediment release and rainfall.
鄱阳湖污染物入湖途径主要是地表径流，其次是底泥释放和降雨。
The sediment dredging was conducted for decreasing the pollution load and controlling the eutrophication in Xuanwu Lake in 1998.
南京玄武湖 1998年初实施了清淤疏浚工程 ，试图以此削减湖泊内源污染负荷 ，控制富营养化 。
The sediment dredging was conducted for decreasing the pollution load and controlling the eutrophication in Xuanwu Lake in 1998.
南京玄武湖 1998年初实施了清淤疏浚工程 ，试图以此削减湖泊内源污染负荷 ，控制富营养化 。
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