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引用本文:郭春燕,冯佳,谢树莲.山西晋阳湖浮游藻类分布的时空格局及水质分析.湖泊科学,2010,22(2):251-255. DOI:10.18307/2010.0215
GUO Chunyan,FENG Jia,XIE Shulian.Spatial and temporal distribution of phytoplankton and eutrophication biological assess-ment of Lake Jinyang in Shanxi North China. J. Lake Sci.2010,22(2):251-255. DOI:10.18307/2010.0215
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山西晋阳湖浮游藻类分布的时空格局及水质分析
郭春燕, 冯佳, 谢树莲
山西大学生命科学学院, 太原 030006
摘要:
对山西晋阳湖的浮游藻类进行了研究,共发现156种及11变种,隶属于5门,25科,67属.其中以绿藻门种类最多,达29属57种4变种;硅藻门次之,17属34种6变种;蓝藻门和裸藻门分别为15属32种1变种和5属31种,黄藻门最少,只有1属2种.秋季浮游藻类种类最多,冬季最少.浮游藻类细胞密度变化范围为2.84×106-2.30×109 cells/L,平均细胞密度为4.86×108 cells/L.每个季节水体的浮游植物细胞密度均已达到富营养化水平.多样性指数、均匀度指数均较低,而优势度很高,说明水体处于富营养状态,污染严重.
关键词:  浮游藻类  群落结构  细胞密度  富营养化  晋阳湖
DOI:10.18307/2010.0215
分类号:
基金项目:国家自然科学基金项目(30770162);山西省科技基础条件平台建设项目(2009091015)联合资助
Spatial and temporal distribution of phytoplankton and eutrophication biological assess-ment of Lake Jinyang in Shanxi North China
GUO Chunyan, FENG Jia, XIE Shulian
School of Life Science,Shanxi University,Taiyuan 030006,P.R.China
Abstract:
A total of 156 species and 11 varieties of phytoplankton species were identified from a shallow reservoir, Lake Jinyang,in Shanxi Province, North China, representing 5 divisions, 25 families and 67 genera. Among them, Chlorophyta was the domi-nant division, a total of 57 species and 4 varieties of 29 genera. The second domination was Bacillariophyta, 34 species and 6 vad-eties of 17 genera. The next dominations were followed by Cyanophyta and Euglenophyta, with 32 species and one variety of 15 gen-era and 31 species of 5 genera respectively. Xanthophyta was the least one, only 2 species of one genus. The number of species washighest in autumn and lowest in winter. The range of cell density was 2.84×106-2.30×109cells/L, and the average density was4.86×108frcells/L. The density of phytoplankton has reached the eutrophication level in every season. Both the diversity index andevenness index were low, but the dominant index was high. It was showed that this lake has become eutrophic and seriously polluted.
Key words:  Phytoplankton  community structure  cell density  eutrophication  Lake Jinyang
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