对厦门城市公园植物群落的物种丰富度进行了分析。结果表明：厦门城市公园乔木层共有28个科75种，灌木层共有30个科48种，棕榈科植物在乔灌层分布比例最高，分别占22.7%和27.1%。植物群落中乔木优势种的组成主要有：华盛顿棕榈、榕树、大王椰子、凤凰木、鱼尾葵、盆架子、洋紫荆、木棉、刺桐、天竺桂、台湾相思等；灌木优势种主要有：杜鹃、桂花、扶桑。厦门城市公园乔木层物种丰富度为6.136 4，生态优势度指数为068，ShannonWienner指数为1.962 3，均匀度指数为0.795 0。灌木层物种丰富度为5.957 4，生态优势度指数平均为0.609 9，ShannonWienner指数平均为1.685 9，均匀度指数平均为0.725 3。相对其他城市而言，厦门城市公园物种多样性性指数较高。

The species abundances of plant communities at Xiamen city parks were investigated. The arbor layer in Xiamen city parks is 75 species in 28 families and the shrub layer have 48 species in 30 families. Among these species, robusta trees are the most abundant, accounting 22.7% of the arbor and 27.1% of the shrub. The dominant species at arbor layer are Washiongtonia robusta, Ficus microcarpa, Roystonea regia, Delonix regia, Caryota ochlandra, Alstonia scholaris, Bauhinia variegate, Bombax malabaricum, Erythrina orientalis, Cinnamomum japonicum, Acacia onfuse. The dominant species of shrub layer mainly are Rhododendron simsii, Osmanthus fragrans, Hibiscus rosa sinensis. The species abundance indices of tree layer in Xiamen city parks are 6.136 4, 0.68 of the Simpon index, 1.962 3 of the ShannonWienner index and 0.795 0 of the Pielou index. The species abundance indices of the shrub layer are 5.957 4, 0609 9 of the Simpon index, 1.685 9 of the ShannonWienner index and 0.725 3 of the Pielou index. In general, the diversity index among the Xiamen city parks is higher than that of the other cities.