海口市郊外湿地公园植物调查与分析

Investigation and Analysis of Plants in Suburban Wetland Park of Haikou City

以海口市郊外的4个湿地公园(海南海口响水河省级湿地公园、海南海口新旧沟湿地乡村公园、海南海口三十六曲溪省级湿地公园、海南海口铁炉溪省级湿地公园)的植物为调查对象,采用样地法、线路法以及数据统计与分析的方法,调查和评价其植物组成特点和生物多样性,为后期湿地公园的合理规划和科学保护提供依据。结果表明:(1)共调查记录到4处湿地公园共计有植物125科471属732种,优势科为大戟科、禾本科;(2)从科属区系分析来看,热带分布及其变型在4个湿地公园中比重最大;(3)划分为4个植被型、31个群系,植被型中草本类群系占比较大;(4)入侵植物40种,占总数的5%,原产地大多为美洲或非洲,且绝大部分是菊科。

Take four wetland parks on the outskirts of Haikou City(Xiangshui River Provincial Wetland Park of Haikou City,Hainan Province,Xinjiugou rural Wetland Park of Haikou City,Hainan Province,36 Quxi Provincial Wetland Park of Haikou City,Hainan Province,Tieluxi Provincial wetland park of Haikou City,Hainan Province)as the survey object,using sample plot method,route method and data statistics and analysis methods to investigate and evaluate the characteristics of plant composition and biodiversity,and provide a basis for the rational planning and scientific protection of the wetland park in the later period.The results showed that:(1)A total of 732 species of plants in 125 families and 471 genera were recorded in the four wetland parks.The dominant families are Euphorbiaceae and Gramineae;(2)From the analysis of family and genera and flora,The proportion of the four wetland parks is the largest;(3)It is divided into 4 vegetation types and 31 formations,which The herbaceous flora accounts for a relatively large number of vegetation types;(4)There are 40 species of invasive plants,accounting for 5% of the total.There are mostly from America or Africa,and most of them are Compositae.