Distribution Characteristics and Influencing Factors of Phytoplankton Community in Harbin Urban River Network During Wet Season

被引：3
|
作者：
Lu F. [1 ]
Li L. [1 ]
Qi Q.-S. [1 ]
Lu X.-X. [1 ]
Liu Y. [1 ]
Fan Y.-W. [1 ]
机构：
[1] Key Laboratory of Biodiversity of Aquatic Organisms, College of Life Science and Technology, Harbin Normal University, Harbin
来源：
Huanjing Kexue/Environmental Science | 2021年 / 42卷 / 07期
关键词：
Community structure; Harbin; Phytoplankton; Redundancy analysis(RDA); Urban river network;
D O I：
10.13227/j.hjkx.202011158
中图分类号：
学科分类号：
摘要：
In this study, 23 typical sampling points were selected from the Harbin urban river network during the wet season from June to August in 2019, including the Harbin section of the Songhua, Hejiagou, Majiagou, and Ashi rivers to study the distribution of phytoplankton communities. Characteristics and driving factors influencing the water environment were determined, and a total of 174 taxa of phytoplankton were identified. During the wet period from June to August, the composition of the phytoplankton community in the urban river network of Harbin was dominated by Diatom and Chlorophyta, which gradually shifted toward Diatom and Cyanophyta. The dominant species mainly include:Cyclotella meneghiniana Kützing, Nitzschia palea (Kützing) W.Smith, Synedra ulna (Nitzsch) Ehrenberg, Ankistrodesmus angustus Bernard, Pseudanabaena limnetica (Lemmermann) Komárek, and Cryptomonas ovata Ehrenberg. One-way crossed similarity analysis (One-way crossed ANOSIM) revealed significant differences in phytoplankton composition among different sections of the river during the study period (P<0.05). The Harbin section of the Songhua River was richer in phytoplankton than other sections. Redundancy analysis (RDA) shows that TP and pH are the main environmental factors that cause differences in the structure of the phytoplankton community in each section of the Harbin urban river network. This research aims to enrich the research on the ecological evaluation of urban river network by studying the phytoplankton community and environmental relevance of Harbin urban river network and provide a theoretical basis for future urban river network ecological monitoring, management, and restoration. © 2021, Science Press. All right reserved.
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页码：3253 / 3262
页数：9
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