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2010年秋季大渡河河口浮游植物群落结构及其与环境因子的关系
引用本文:王文君.2010年秋季大渡河河口浮游植物群落结构及其与环境因子的关系[J].水生态学杂志,2012,33(4):73-77.
作者姓名:王文君
作者单位:水利部中国科学院水工程生态研究所,水利部水工程生态效应与生态修复重点实验室,武汉430079
基金项目:水利公益性行业科研专项经费项目
摘    要:根据2010年9月对大渡河河口浮游植物与水环境的调查,分析大渡河河口浮游植物的分布特征及其与水环境因子的关系.结果表明,2010年秋季共鉴定浮游植物6门61属127种,优势种为变异直链藻、钝脆杆藻、尖针杆藻、缢缩异极藻和小颤藻等;浮游植物密度变化范围为102 960 ~290 160个/L,生物量变化范围为0.0772~1.9717 mg/L.聚类分析表明大渡河河口河道生境分为5种类型,浮游植物种类组成、现存量分布与生境类型关系密切,但浮游植物与水质因子相关关系不显著.

关 键 词:浮游植物  大渡河河口  生境  水质因子
收稿时间:6/3/2012 10:30:06 PM
修稿时间:6/3/2012 10:30:06 PM

Structure of phytoplankton community and its relationship with environment factors in Daduhe Estuary in autumn 2010
Wang wen jun.Structure of phytoplankton community and its relationship with environment factors in Daduhe Estuary in autumn 2010[J].Journal of Hydroecology,2012,33(4):73-77.
Authors:Wang wen jun
Affiliation:(Key Laboratory of Ecological Impacts of Hydraulic-Projects and Restoration of Aquatic Ecosystem of Ministry of Water Resources,Institute of Hydroecology,Ministry of Water Resources and Chinese Academy of Sciences.Wuhan 430079,P.R.China)
Abstract:The data obtained in the Dadu River Estuary during Sep.in 2010 was analyzed for understanding the distribution features of phytoplankton and its relations with the environmental factors.Total 6 phylum,61 genera and 127 species of phytoplankton were identified.The main species were Melosira varians,Fragilaria capucina,Synedra acus,Gomphonema constrictum and Oscillatoria tenuis.The phytoplankton density ranged from 102 960 to 290 160 ind./L,and the phytoplankton biomass ranged from 0.0772 to 1.9717 mg/L.According to cluster analysis,the habitat of Dadu River Estuary was divided into 5 categories.The phytoplankton species composition and biomass distribution had close relationship with the habitat type,while the phytoplankton and water quality factors had no significant relationship.
Keywords:phytoplankton  Dadu River Estuary  habitat  water quality factors
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