西北林学院学报2013，Vol.28Issue(2)：37-41,65,6.DOI:10.3969/j.issn.1001-7461.2013.02.07
海南岛橡胶林群落种子植物区系组成成分分析
Flora Composition of Seed Plants in Rubber Forests in Hainan Island
摘要
Abstract
As one of the most important vegetations in Hainan Island,China,tropical rubber plantations are widely distributed. Understanding of the plant flora in rubber plantation is imperative to understand the e-cosystem of the plantations. In this paper,the types and distributions of understory plant species in rubber plantations in Hainan Island were surveyed and analyzed. 1) There are 91 families including 296 genera and 450 species,of which five are dominant families (Euphorbiaceae,Gramineae,Rubiaceae,Papilionaceae,Com-positae) with more than twenty species. Euphorbiaceae is the largest family with 38 species,occupied 8% of the total family. Also,there are six dominant genera with more than five species,occupied only 2. 0% of the total genera. 2) There exist 58 tropical families and 269 tropical genera in the plantations, taking up about 63. 7% of 90. 9% of the total families and genera,respectively. The flora of the plantations is mainly composed of the species in tropical families and genera indicating the tropical infinity. Also,there are 39 genera of tropical Asia,taking up 11. 9% of the total genera,which indicates the tropical Asia infinity. 3) In addition, the percentage of cosmopolitan the plantations in Hainan is so high,which indicating the transitional characteristics of rubber plantation community.关键词
海南岛/橡胶林/植物区系Key words
Hainan Island/ rubber forest/ flora composition分类
农业科技引用本文复制引用
兰国玉,王纪坤,吴志祥,谢贵水..海南岛橡胶林群落种子植物区系组成成分分析[J].西北林学院学报,2013,28(2):37-41,65,6.基金项目
中国热带农业科学院橡胶研究所基本科研业务费项目资助(1630022011013). （1630022011013）
