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包头南海湖非冰封期浮游植物的时空动态特征
引用本文:姜庆宏,王佳宁,李卫平,李 兴,管广林,卜楠龙,苗春林.包头南海湖非冰封期浮游植物的时空动态特征[J].水生态学杂志,2020,41(1):30-36.
作者姓名:姜庆宏  王佳宁  李卫平  李 兴  管广林  卜楠龙  苗春林
作者单位:内蒙古科技大学能源与环境学院,内蒙古科技大学能源与环境学院
基金项目:内蒙古包头黄河湿地生态系统国家定位观测研究站运行补助(2015-LYPT-DW-037)和国家自然科学基金(41263010)资助
摘    要:于2017年5~10月,对南海湖12个点位的浮游植物群落和水环境因子进行了调查,分析浮游植物种群的动态特征及其与水环境因子的关系。结果显示:调查期间共发现浮游植物7门7属146种含变种,其中绿藻种类最多,共59种,占总数的40.41%;其次是硅藻,共37种,占总数的25.34%,蓝藻次之,共31种,占总数的21.23%;7月浮游植物种类最多,102种,10月种类最少,57种;空间上浮游植物种类数差别较大,芦苇区种类最多,95种,排污口种类最少,54种;主要优势种为微小平裂藻(Oscillatoria tenuissima)、水花束丝藻(Aphanizomenon flosaquae)和螺旋弓形藻(Schroederia spiralis);浮游植物密度介于23.35×106~115.59×106cells/L之间,主要以绿藻(春季)、蓝藻(夏季)、硅藻(秋季)占优势;空间上呈现出沿进水口向湖心区逐渐递增的趋势,湖心区整体密度较高,而排污口、芦苇区处密度相对较低;冗余分析(RDA)表明,氨氮、化学需氧量、pH、叶绿素以及水温为影响浮游植物分布的主要水环境因子,绿藻与总氮关系密切,蓝藻主要受总磷的影响,硅藻受pH影响较大。

关 键 词:浮游植物  水环境因子  冗余分析  南海湖  包头
收稿时间:2017/12/28 0:00:00
修稿时间:2019/11/12 0:00:00

Temporal and Spatial Dynamics of Phytoplankton in Nanhai Lake, Baotou, during the Ice-free Period
JIANG Qing-hong,WANG Jia-ning,LI Wei-ping,LI Xing,GUAN Guang-lin,PIAO Nan-long and MIAO Chun-lin.Temporal and Spatial Dynamics of Phytoplankton in Nanhai Lake, Baotou, during the Ice-free Period[J].Journal of Hydroecology,2020,41(1):30-36.
Authors:JIANG Qing-hong  WANG Jia-ning  LI Wei-ping  LI Xing  GUAN Guang-lin  PIAO Nan-long and MIAO Chun-lin
Institution:Inner Mongolia University of Science and Technology College of Energy and Environment,Inner Mongolia University of Science and Technology College of Energy and Environment
Abstract:From May to October in 2017, the phytoplankton community and water environmental factors in 12 spots of Nanhai Lake were investigated.Analysis the dynamic featuresof phytoplankton community and its relationship with water environmental factors.The results showed that a total of 146 species of 7 genera of 77 phyla of phytoplankton were found during the survey.The most diverse group was Chlorophyta(59 species),which account for 40.41% of the total recorded species,following by Cyanophyta and Bacillariophyta(37 species,31 species),which account for 25.34% and 21.23% respectively. The highest number of phytoplankton species in July was 102 species and the least species in October was 57 species; The number of phytoplankton species was large difference in spatial that the most species in reed area was 95 species and the least species in the outfall area was 54 species; The dominant species included Oscillatoria tenuissima Aphanizomenon flosaquae and Schroederia spiralis;The cell density of phytoplankton was 23.35×106~115.59×106cells/L,which Chlorophyta Cyanophyta and Bacillariophyta were the dominant contributors in spring, summer, autumn respectively. RDA showed that ammonia nitrogen, chemical oxygen demand, pH and chlorophyll were the most important water environment factors influencing the distribution of phytoplankton species. Chlorophyta were closely related to the total nitrogen, Cyanophyta were more affected by pH, Bacillariophyta were mainly affected by total phosphorus.
Keywords:Phytoplankton  water environment factors  cluster analysis  NanHai Lake  Baotou
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