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作 者 ：冯灿;王学雷;王增学;班继德

期 刊 ：武汉植物学研究 1989年 7卷 2期 页码：123-130

关键词：水生维管束植物；群丛；

Keywords:Aquatic vascular plant, Association,

摘 要 ：长湖位于湖北省荆州地区,面积133.2km²是江汉湖群中较大的淡水湖。湖中分布有40种水生维管束植物、12个群丛,湖中植被呈不规则环带状分布,并可划分为湿生、挺水、浮叶和沉水四个植物带。水生植被生物量随水深的增加而减少。

Abstract:The Changhu Lake lies in the south of Hubei. It covers about 133.2km², and is one of the largest freshwater lakes in Hubei Jianghan Plain. According to our investigation on the lake there are 12 associations which are composed of forty species of aquatic vascular plants.The distribution of aquatic vascular plants in this lake exhibits irregular zonations and can be classified into four plant zones from the edge to the middle of the lake, the hygrophytes, emerged plants, floating plants and submerged plants. The biomass of aquatic plants decreases with the increasing of water depth.

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