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  • 李青,张姗,何斌,李望军,邹顺,白晓龙,陈洋,薛晓辉.贵州草海湿地夏季浮游植物群落结构及其与水环境因子的关系[J].广西科学,2024,31(1):52-59.    [点击复制]
  • LI Qing,ZHANG Shan,HE Bin,LI Wangjun,ZOU Shun,BAI Xiaolong,CHEN Yang,XUE Xiaohui.Summer Phytoplankton Community Characteristics and Its Relationship with Water Environmental Factors in Caohai Wetland,Guizhou Province[J].Guangxi Sciences,2024,31(1):52-59.   [点击复制]
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贵州草海湿地夏季浮游植物群落结构及其与水环境因子的关系
李青, 张姗, 何斌, 李望军, 邹顺, 白晓龙, 陈洋, 薛晓辉
0
(贵州工程应用技术学院生态工程学院, 贵州省典型高原湿地生态保护与修复重点实验室, 贵州毕节 551700)
摘要:
为了解贵州草海湿地浮游植物群落结构及其与水环境因子的关系,于2022年夏季对贵州草海湿地浮游植物进行调查。结果表明,2022年夏季草海湿地的浮游植物有8门51科104属,其中绿藻门(Chlorophyta)种类最丰富,其次是硅藻门(Bacillariophyta)和蓝藻门(Cyanophyta)。浮游植物丰度平均值为18.82×106 cell·L-1,各采样点之间差异较大;从浮游植物优势属和丰度看,均是蓝藻和绿藻占绝对优势。冗余分析(Redundancy Analysis, RDA)结果表明,草海湿地浮游植物群落结构主要受总氮(TN)、铵态氮(NH+4-N)、硝态氮(NO3-N)、总磷(TP)、有机碳(TOC)、悬浮物(TSS)等影响。浮游植物多样性指数和丰度评价结果表明,2022年夏季草海湿地处于富营养状态,为中度污染水平,水体有发生微囊藻水华的风险。
关键词:  草海湿地  浮游植物  群落结构  环境因子  冗余分析
DOI:10.13656/j.cnki.gxkx.20240417.021
投稿时间:2023-09-02修订日期:2023-09-27
基金项目:贵州省科技计划项目(黔科合平台人才[2020]2002),贵州省教育厅科技拔尖人才项目(黔教技[2022]096),毕节市揭榜挂帅项目(毕科合重大专项字[2021]1),毕节市科学技术项目(毕科联合字-贵工程[2021]08)资助。
Summer Phytoplankton Community Characteristics and Its Relationship with Water Environmental Factors in Caohai Wetland,Guizhou Province
LI Qing, ZHANG Shan, HE Bin, LI Wangjun, ZOU Shun, BAI Xiaolong, CHEN Yang, XUE Xiaohui
(Guizhou Province Key Laboratory of Ecological Protection and Restoration of Typical Plateau Wetlands, College of Ecological Engineering, Guizhou University of Engineering Science, Bijie, Guizhou, 551700, China)
Abstract:
In order to understand the community structure of phytoplankton and its relationship with water environmental factors in Caohai wetland,Guizhou Province,a survey of phytoplankton was conducted in the summer of 2022.The results showed that there were 8 phyla,51 families and 104 genera of phytoplankton in Caohai wetland in summer of 2022,among which Chlorophyta was the most abundant,followed by Bacillariophyta and Cyanophyta.The average abundance of phytoplankton was 18.82×106 cells·L-1,and there were significant differences among sampling sites.From the perspective of dominant genera and abundance of phytoplankton,Cyanobacteria and Chlorophyta were overwhelmingly dominant.The results of Redundancy Analysis (RDA) showed that the community structure of phytoplankton in Caohai wetland was mainly affected by Total Nitrogen (TN),NH+4-N,NO3-N,Total Phosphorus (TP),Total Organic Carbon (TOC),and Total Suspended Solid (TSS).The results of phytoplankton diversity index and abundance evaluation showed that the Caohai wetland was in a eutrophic state in the summer of 2022,which was at a moderate pollution level,and the water body had the risk of Microcystis bloom.
Key words:  Caohai wetland  phytoplankton  community structure  environmental factors  redundancy analysis

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