水生植物是城市水景营造的重要组成部分，复层结构的水景植物配置具有较好低维护特点，需要匹配适应的水生草本植物种类。以珠三角地区为研究区域范围，选取了 32 种城市水景广泛应用的水生草本植物，运用层次分析法，建立了包括观赏价值、适应性以及生长特性 3 个准则层和 10 个评价因子指标的评价模型，对水生草本植物的筛选与运用进行讨论研究。结果表明，32种水生草本植物可分为 3 个等级，其中 I 等级 6 种，Ⅱ等级 11 种，Ⅲ等级 15 种，优选推荐翠芦莉 Ruellia simplex、风车草 Cyperus involucratus、柳叶箬 Isachne globosa 和菖蒲 Acorus calamus 等作为低维护城市水景植物景观营造种类。

Aquatic plants are an important part of the construction of urban waterscapes. The multi-layered waterscape plant configuration has good low-maintenance characteristics and needs to match the types of aquatic herbs. Taking the Pearl River Delta region as the research area, 32 kinds of aquatic herbs widely used in urban waterscapes are selected. Using the Analytic Hierarchy Process, an evaluation model including three criterion layers of ornamental value, adaptability and growth characteristics and 10 evaluation factors is established to discuss and research on the selection and application of aquatic herbs. The results show that 32 aquatic herbs can be divided into three grades, of which 6 species are grade I, 11 species are grade II, and 15 species are grade III. Ruellia simplex, Cyperus involucratus, Isachne globosa and Acorus calamus are recommended as low-maintenance urban waterscapes plants.

S688

基于自净化生态循环的城市水体景观系统构建研究（编号：201804010303）