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引用本文:张俊芳,冯佳,谢树莲,王石会.山西宁武亚高山湖群浮游植物群落结构特征.湖泊科学,2012,24(1):117-122. DOI:10.18307/2012.0116
ZHANG Junfang,FENG Jia,XIE Shulian,WANG Shihui.Characteristics of phytoplankton community structures in Ningwu subalpine lakes, Shanxi Province. J. Lake Sci.2012,24(1):117-122. DOI:10.18307/2012.0116
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山西宁武亚高山湖群浮游植物群落结构特征
张俊芳1, 冯佳1, 谢树莲1, 王石会2
1.山西大学生命科学学院, 太原 030006;2.山西管涔山国有林管理局, 宁武 036000
摘要:
通过对山西宁武亚高山湖群浮游植物群落结构的调查研究,共鉴定出浮游植物291个种、变种及变型,隶属于8门,45科,108属.各采样站点间种数相差较大,以马营海种类最多,干海最少.硅藻门、绿藻门和蓝藻门明显占优势,优势科、优势属和优势种也都较为明显.优势种有蓝藻门的细小隐球藻(Aphanocapsa elachista)、铜绿微囊藻(Microcystis aeruginisa)和小席藻(Phormidium tenue),硅藻门的库津小环藻(Cyclotella kuetzingii)、肘状脆杆藻(Fragilaria ulna)、尖针杆藻(Synedra acus),绿藻门的狭形纤维藻(Ankistrodesmus angustus)和小球藻(Chlorella vulgaris).浮游植物平均密度为3.49×106cells/L.水面下0.5 m处比水表层的细胞密度高.综合4种生物多样性指数,宁武亚高山湖群水质总体为轻污染.
关键词:  浮游植物  群落结构特征  宁武亚高山湖群
DOI:10.18307/2012.0116
分类号:
基金项目:国家自然科学基金项目(30970187、30770162)资助
Characteristics of phytoplankton community structures in Ningwu subalpine lakes, Shanxi Province
ZHANG Junfang1, FENG Jia1, XIE Shulian1, WANG Shihui2
1.School of Life Science, Shanxi University, Taiyuan 030006, P. R. China;2.Forestry Administration of Guancen Mountains in Shanxi, Ningwu 036000, P. R. China
Abstract:
The phytoplankton community structures in Ningwu subalpine lakes have been studied and 291 taxa, belonging to 8 divisions, 45 families and 108 genera, have been identified. The species numbers of each sampling station are quite different. The most abundant species are occurred in Lake Mayinghai, and the least in Lake Ganhai. Bacillariophyta, Chlorophyta and Cyanophyta dominate the area, in addition, dominant families, dominant genera and dominant species are also relatively clear. There are 8 dominant species and they are Aphanocapsa elachista, Microcystis aeruginosa, Phormidium tenue, Cyclotella kuetzingii, Fragilaria ulna, Synedra acus, Ankistrodesmus angustus and Chlorella vulgaris. The average phytoplankton cell density is 3.49×106 cells/L in the lakes. The cell density in 0.5 m depth was higher than that on the surface. The initially assessment by four biodiversity indexes is that the water quality in Ningwu subalpine lakes is light-polluted.
Key words:  Phytoplankton  community structure characteristics  Ningwu subalpine lakes
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