Effect of submerged plants on nutrient removal was studied in small model aquatic eco-systems consisting of water, sediment and submerged plants.
研究了模拟水生生态系统中沉水植物对水体营养物质消减的影响。
Existing methodology for deriving aquatic environment including water quality standard, sediment quality standard for protecting aquatic environment of the USA and European Countries were reviewed.
综述了美国及欧洲一些国家现行推导水生环境质量标准的方法研究。
For the time being, there is not potential threat to aquatic organisms for PAH concentrations both in water and sediment in Deep Bay.
目前，水体与沉积物中PAH含量对该海域的水生生物尚未构成威胁。
Regional sediment quality criteria (SQC) was of great value for the public and aquatic ecological system.
建立区域沉积物质量基准(SQC)具有重大的社会、经济和环境价值。
Shallow lakes playing an important role in urban ecological environment, but polluted sediment block the harnessing progress of aquatic environment.
城市浅水湖泊在城市生态环境中起着重要作用，湖泊底泥的污染严重影响了水环境治理的进程。
The main environmental factors of restricting the growth and distribution of aquatic plants are water depth, wird-driven waves and transparency of lake water as well as composition of sediment, etc.
制约水生植物生长、分布的主要环境因素是水深、风浪、透明度以及沉积物的组成等；
It is shown that the method by monitoring sediment or aquatic organisms can increase monitoring sensitivity.
调查表明：采用监测河流底泥或水生物的方法可以提高监测灵敏度。
Under certain hydrodynamic conditions, different species of aquatic plants will have different impacts on the flow structure and sediment re-suspension due to the differences in plant morphology.
在一定的水动力条件下，不同水生植物对水流结构改变的程度及对底泥再悬浮的影响由于其形态结构的差异有所不同。
Under certain hydrodynamic conditions, different species of aquatic plants will have different impacts on the flow structure and sediment re-suspension due to the differences in plant morphology.
在一定的水动力条件下，不同水生植物对水流结构改变的程度及对底泥再悬浮的影响由于其形态结构的差异有所不同。
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