上海市民立中学屋顶花园的植物多样性

The plant diversity of roof garden in Shanghai Minli Middle School

本文以上海市民立中学设置12年的屋顶花园为研究对象,探讨该屋顶花园中的植物多样性.调查发现该屋顶花园中目前存在31科54属57 种陆生高等植物,其中以蔷薇科和百合科为最多,其次分别为木犀科、豆科、十字花科、唇形科、禾本科等,植物类型包括乔木、灌木、藤本和草本四种.结果表明,民立中学屋顶花园的物种多样性程度较高,乔灌草搭配合理,部分物种是通过风、鸟等非人类因素迁入,其生态效益显著.

This study focused on the plant diversity of the roof garden in Shanghai Minli Middle School,which has been built more than 12 years. Results showed that there were 57 plant species, which belonged to 54 genera, 31 families. The most plant species were belonged to Rosaceae and Liliaceae,and Oleaceae, Leguminosae, Brassicaceae, Lamiaceae and Gramineae in the next place. All the plants could divide into four types: 16 trees, 12 shrubs, 3 lianas and 26 grasses. This study demonstrated that there are high plant diversities in the roof garden in Minli Middle School. The community structure has reasonable collection with different trees, shrubs and grasses. Some of the plants were trans-planted by wind or birds. The roof garden provided an effective ecological function for urban ecosystem.