衡水湖自然保护区藻类植物资源初步研究

A Preliminary Study on the Algae in Hengshui Lake National Nature Reserve

首次报道了衡水湖国家级湿地自然保护区藻类植物的种类组成、生态类群及常见群落.经初步调查和鉴定,衡水湖国家湿地自然保护区藻类植物共有9门、11纲、22目、31科、59属、119种(含种下分类单位),4种生态类群和8个常见藻类群落.主要类群中以绿藻门最多,共计49种,占保护区藻类总种数的41.2%;其次是硅藻门,31种(含1变种)占26.1%;再次是蓝藻门,22种(含1个变型)占18.5%.对衡水湖自然保护区水体环境质量、藻类资源进行了初步评价.

The species composition,ecological groups and communities of Algae in Hengshui Lake National Nature Reserve, Hebei province are reported for the first time. The results show that there are 119 species, including underspecies taxa, belonging to 59 genera, 31 families, 22 orders, 11 classes in 9 divisions. The Algae of the Nature Reserve are divided into 4 kinds of ecological groups and 8 kinds of common communities. Chlorophyta is represented by the most species with 49 species, accounting for 41.2 9b of total species. Bacillariophyta is ranked as the second with 31 species,accounting for 26.1 9b of total species. The number of species of Cyanophyta is ranked as the third with 22 species, accounting for 18.5 96 of total species. The stock assessment of the Algae and the evaluation of water quality of Hengshui Lake National Nature Reserve are presented.