基于RDA的白洋淀浮游植物群落动态特征分析

doi:10.3969/j.issn.1000-1565.2016.03.010

摘要/Abstract

摘要： 2010年4-11月采样调查了白洋淀浮游植物群落组成和时空变化特征,利用冗余分析(RDA)方法分析了影响浮游植物群落分布的主要环境因子.共检出浮游植物8门183种(属),以蓝藻、绿藻和硅藻为主.浮游植物的密度在8.68×10⁶~314.32×10⁶/L内变化,最大值出现在秋季(9月),最小值出现在冬季(11月).采蒲台水体的Shannon-Wiener指数和均匀度指数最高,王家寨和南刘庄则较低.水温、透明度和高锰酸钾指数对白洋淀浮游植物群落的分布和动态变化影响最大,而pH值和总磷浓度对绿藻门和蓝藻门种类影响较为明显.控制有机污染物和磷的排放是解决白洋淀富营养化的主要措施.

关键词: 白洋淀, 浮游植物, 环境因子, 冗余分析

Abstract: The composition and temporal-spatial dynamics of phytoplankton community in Baiyangdian Lake were investigated from April to November of 2010,and main environmental factors affecting composition of community were analyzed by Redundancy analysis(RDA).Results showed that 183 species(genera)including 8 phyla of phytoplankton were identified,and the dominant phyla were found to be the Cyanophyta,Chlorophyta and Bacillariophyta.Phytoplankton density ranged from 8.68×10⁶ to 314.32×10⁶ /L,and the highest density was observed in autumn(September)and the lowest in winter(November).Shannon-Wiener biodiversity index and evenness in Caiputai were highest,but that in Wangjiazhai and Nanliuzhuang were lower.Water temperature,transparency and COD_Mn had strong effects on the community of phytoplankton,pH and total phosphorus correlated with species of Cyanophyta and Chlorophyta.To control the enviromental release of organic pollutants and phosphorus is the key approach to reduce the eutrophication risk in Baiyangdian Lake.

Key words: Baiyangdian Lake, phytoplankton, environmental factor, Redundancy analysis

中图分类号:

刘存歧,孔祥玲,张治荣,田志富. 基于RDA的白洋淀浮游植物群落动态特征分析[J]. 河北大学学报(自然科学版), 2016, 36(3): 278-285.

LIU Cunqi,KONG Xiangling,ZHANG Zhirong,TIAN Zhifu. Dynamics of phytoplankton community in Baiyangdian Lake based on the redundancy analysis(RDA)[J]. Journal of Hebei University (Natural Science Edition), 2016, 36(3): 278-285.

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