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根据不同生态类型水生高等植物的净化能力及其微生境特点，设计建造了由漂浮、浮叶、沉水植物及其根际微生物等组成的人工复合生态系统（ａｒｔｉｆｉｃｉａｌｃｏｍｐｌｅｘｅｃｏｓｙｓｔｅｍ；ＡＣＥ），并在太湖五里湖中桥湖湾内以动态模拟试验，从群落水平研究了多种水生植物镶嵌组合的人工复合生态系统对富营养化湖水的净化能力。结果表明，富营养化湖水经该系统净化后，藻类生物量（以Ｃｈｌａ计）下降５８％，氨氮下降６６％，总氮下降６０％，总磷下降７２％，可溶性磷酸盐下降８０％，水质得到明显改善。与以该湖湾湖水为水源的水厂出水相比，人工复合生态系统出水的氨氮比水厂出水的氨氮平均低４５％，总氮低３７％，可见经人工复合生态系统处理的湖水部分指标优于同源的自来水。
According to the purification ability of aquatic plants with different ecological types and their micro-habitat characteristics, an artificial composite ecosystem (ACE) composed of floating, floating leaves, submerged macrophytes and their rhizosphere microorganisms was designed and constructed. Dynamic simulation experiments were carried out in Zhongqiaohu Bay of Lishu Lake to study the purification ability of eucalyptus lakes by the artificial composite ecosystem in which a plurality of aquatic plant mosaics were combined from the community level. The results showed that after the system was purified, the algal biomass (by Chla) decreased by 58%, the ammonia nitrogen decreased by 66%, the total nitrogen decreased by 60%, the total phosphorus decreased by 72%, the soluble phosphate decreased by 80% Obvious improvement. Compared with the effluent from the water of the lake and lake, the ammonia nitrogen in effluent from the artificial composite ecosystem is 45% lower than that of the effluent of the water plant and the total nitrogen is 37% lower. Therefore, some indexes of lakes treated by the artificial composite ecosystem Better than the same source of tap water.