摘要
桂林桃花江是风景秀美的漓江的一级支流。近年随着桂林城市经济的发展,桃花江水质逐年恶化。水质的恶化及人类的经济活动也影响到了江内及江两岸植物的种类和分布状况。本文经过一年时间,对桃花江中下游植物资源做了具体调查,结果是：(1)桃花江中下游植物主要有45种,隶属31科,其优势种为构树、水榕、桃金娘、铁芒箕、葎草、芦苇、水蓼、水花生、苦草。(2)岸坡植物、水生植物呈层状分布,可划分为岸生、湿生、挺水、沉水四个植物带。(3)植物群落呈现出“小聚居,大杂居”的状况。根据调查结果,评价了桃花江沿岸植物资源状况。
The TaoHuanjiang River in Guilin is the biggest brunch of the Lijiang River. Resent years with the city＇s economic development, the water quality of TaoHuajiang River has worsen year after year. The worsen water and the economic activities also impacted the species and distribution of the plants in and along the river, Through one year, the plant resources in themiddle and lower reaches of TaoHuajiang River was concretely investigated. The results based on this investigation showed as follows： （ 1 ）There were 45 species of plants in 31 families, among which the dominated plants were Broussonetia papyrifera, Cleistocalyx operculatus, Callistemon figldus, Humulus scandens, Phragmites communis Trin, Polygonum hydropiper, Ahemanthera philoxeroides and VaUisneria natans, （2）The sloping field plants and hydrophytes distributed layeredly and they can be divided for four botanical zones which are shore.plants zone, wet plants zone,emergent plants zone and submerged plants zone, （3）The distribution characteristic of all plants was that ＂nationally scattered, while territorially gathered＂. According to the results, the situation of olant resources is evaluated.
出处
《环境科学与管理》
CAS
2006年第5期128-130,共3页
Environmental Science and Management
基金
国家"863"计划项目(No.2003AA601060)
关键词
植物
调查
桂林桃花江
plant
investigation
taoHuajiang River
guilin
作者简介
陈梅（1979-），女，在读硕士，主要研究方向微污染水的生态修复。
