在水位下降期间，植被主要由沼生植物和挺水植物组成。
During the drawdown period, the vegetation is structured by helophytes and emergents.
挺水植物腐烂分解过程比较缓慢。
The decomposition process of emerged plant was very lengthy.
低水位时，植被主要由沼生植物和挺水植物组成；
During the drawdown period, the vegetation is structured by helophytes and emergents;
介绍了在园林造景中挺水植物的选择及其在湖池、驳岸、湿地园林、室内等的造景设计要点。
In the landscape design, the main points of the emerged plants in the lakes, ponds, embankments, wetland landscape architectures, indoor landscapes were put forward.
针对外秦淮河的污染状况，采用挺水植物菖蒲和狭叶香蒲进行试验，对外秦淮河的污染水质进行净化；
Based on the polluted status of the Qinhuai River, calamus and narrow leaf bulrush are used to clean the Qinhuai River water.
采用室内试验和现场试验考察了黄花鸢尾、水葱和梭鱼草3种挺水植物对类污水处理厂二级出水中氮、磷的吸收速率、吸收容量和吸收贡献。
As a result Iris pseudacorus has the biggest absorption contribution rate for removing nitrogen and phosphorus from the secondary effluent from April to October, which gets 30% and 73% respectively.
采用室内试验和现场试验考察了黄花鸢尾、水葱和梭鱼草3种挺水植物对类污水处理厂二级出水中氮、磷的吸收速率、吸收容量和吸收贡献。
As a result Iris pseudacorus has the biggest absorption contribution rate for removing nitrogen and phosphorus from the secondary effluent from April to October, which gets 30% and 73% respectively.
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