白洋淀三大典型水域浮游植物群落及水质评价

doi:10.3969/j.issn.1000-1565.2017.03.017

摘要/Abstract

摘要： 2013年4-11月份对白洋淀净水区、养殖区、临村落区等三大典型水域的浮游植物进行了调查,对比分析了群落结构特征,并对水质进行了评价.结果表明:2013年4-11月份白洋淀三大典型水域浮游植物群落的第1优势类群均为绿藻门,净水区和养殖区的浮游植物次优势类群为硅藻门,临村落区的次优势类群为蓝藻门;根据浮游植物生态指标及水质因子评价白洋淀三大典型水域水质状况,表明净水区水体处于中营养化状态;养殖区与临村落区水体处于富营养化状态;净水区的硅藻分布与环境因子关系复杂,绿藻的分布与总磷(TP)、总氮(TN)、pH和溶解氧(DO)等相关性较高,养殖区的硅藻与TP、TN相关,蓝藻的生长受到氮磷营养盐的抑制.临村落区蓝藻的分布与氮磷营养盐相关性较高,硅藻的分布与pH、水温和TP等相关.冗余分析(RDA)表明,三大典型水域浮游植物分布明显受环境因子的影响.

关键词: 冗余分析(RDA), 水质, 浮游植物, 群落结构, 白洋淀

Abstract: In three typical waters——the purfication waters,the aquaculture waters,and the Pro village waters,in Baiyangdian Lake,from April to November in 2013,the phytoplankton was investigated,the community structure characteristics were compared and the water quality was evaluated,using phytoplankton ecological index and water quality factors to evaluate the water quality.The results showed:the first dominant group was Chlorophyta in the three typical waters in Baiyangdian Lake,the second dominant group was Bacillariophyta in both the purfication waters and the aquaculture waters, but was Cyanophyta in the Pro village waters;the purfication waters was in the mesotrophic position,the aquaculture waters was in the eutrophic position,the Pro village waters was in the eutrophic position.In the purfication waters,the relationship between Bacillariophyta distribution and environmental factors was complex,the distribution of Chlorophyta was correlated with total phosphorus,total nitrogen,pH and dissolved oxygen.In the aquaculture waters,the distribution of Bacillariophyta was related to total phosphorus and total nitrogen,the growth of Cyanobacteria was inhibited by nitrogen and phosphorus.In the Pro village waters,the distribution of Cyanobacteria had a high correlation with nitrogen and phosphorus,the distribution of Bacillariophyta- was related to pH,temperature and total phosphorus.As a result of redundancy analysis(RDA),phytoplankton distribution was significantly affected by environmental factors in the three typical waters in Baiyangdian Lake.

Key words: redundancy analysis, water quality, phytoplankton, structure of community, Baiyangdian Lake

中图分类号:

Q145

金磊,李林钰,周杨,刘存歧. 白洋淀三大典型水域浮游植物群落及水质评价[J]. 河北大学学报(自然科学版), 2017, 37(3): 329-336.

JIN Lei,LI Linyu,ZHOU Yang,LIU Cunqi. Phytoplankton community and water quality analysis of three typical waters in Baiyangdian Lake[J]. Journal of Hebei University (Natural Science Edition), 2017, 37(3): 329-336.

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