天津市重点河湖浮游植物群落结构调查研究
Investigation on Community Structure of Phytoplankton in Key Rivers and Lakes in Tianjin
DOI: 10.12677/ojfr.2026.132018, PDF,   
作者: 鲍炜然, 孙金辉*, 刘 玉：天津农学院水产学院，天津；郑心怡, 宋兵魁：天津市生态环境科学研究院，天津
关键词: 天津；浮游植物；生物多样性；群落结构；Tianjin； Phytoplankton； Biodiversity； Community Structure
摘要: 浮游植物多样性可以有效地指示水生态系统健康状况。本研究旨在调查天津市重点河湖的浮游植物群落组成，分析其生物多样性和群落结构，以评估水环境质量和水生态系统的健康状况。本研究基于2021年6~7月、9~10月对天津市重点24条河流及2座水库，共设置62个采样点，采集浮游植物样本进行鉴定和群落调查分析。运用Shannon-Wiener多样性指数(H')、Pielou均匀性指数(J)、Margalef丰富度指数(D)等生物指标，结合物种组成、密度及优势种分析，揭示了天津重点河湖浮游植物的时空分布特征。永定新河、独流减河等水系生态状况相对较好，蓟运河、南四河需重点关注富营养化风险。研究验证了浮游植物多样性指数与理化指标联用的有效性，为北方城市水生态管理提供了科学依据。
Abstract: Phytoplankton diversity serves as an effective indicator of the health of aquatic ecosystems. This study aims to investigate the composition of phytoplankton communities in key rivers and lakes in Tianjin, analyze their biodiversity and community structure, and assess the quality of the aquatic environment and the health of aquatic ecosystems. This study was conducted in June-July and September-October 2021, with a total of 62 sampling sites established along 24 key rivers and at 2 reservoirs in Tianjin to collect phytoplankton samples for identification and community analysis. Using biological indices such as the Shannon-Wiener diversity index (H'), Pielou evenness index (J), and Margalef richness index (D), and combining these with analyses of species composition, density, and dominant species, this study reveals the spatiotemporal distribution characteristics of phytoplankton in key rivers and lakes in Tianjin. The ecological conditions of water systems such as the Yongding New River and the Duliu Diversion River are relatively good, while the Jiyun River and the South Fourth River require close monitoring for the risk of eutrophication. The study validated the effectiveness of combining phytoplankton diversity indices with physicochemical indicators, providing a scientific basis for water ecosystem management in northern cities.
文章引用：鲍炜然, 郑心怡, 宋兵魁, 孙金辉, 刘玉. 天津市重点河湖浮游植物群落结构调查研究[J]. 水产研究, 2026, 13(2): 150-165. https://doi.org/10.12677/ojfr.2026.132018

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